MONTHLY TIPS AND TASKS INDEX
An asterisk* indicates a photo is included.
Bold type indicates more comprehensive information.
The Index references the TNT sections: Pest Monitoring and Management (Pests), General Overall Maintenance (Maintenance), Edibles, Flowers and Foliage (Flowers/Foliage), and Lawns.
An asterisk* indicates a photo is included.
Bold type indicates more comprehensive information.
The Index references the TNT sections: Pest Monitoring and Management (Pests), General Overall Maintenance (Maintenance), Edibles, Flowers and Foliage (Flowers/Foliage), and Lawns.
Annuals – Flowers/Foliage June
Aphids – Pests May, June
Apples
Apple codling moth – Edibles May, July
Apple maggot control methods – Edibles May, June
Harvesting - Edibles August
Thinning fruit - Edibles May, June
Bare root plants – Flowers/Foliage February
Bark damage (chewed) – Pests January
Beans
Dry beans, harvesting - Edibles September
Dry beans, protecting - Edibles September
Beds, vegetable
Conserving space - Edibles April, May
Mulch - Edibles November
Preparing beds - Edibles March, April
Raised beds - Edibles March, April
Beneficial Insects – Flowers/Foliage October, Pests August, September, Edibles May
Pollinators – Edibles May, Flowers/Foliage October
Spiders – Pests September
Wasps/yellow jackets – Pests August
Protecting - Edibles May, Pests August, September, Flowers/Foliage October
Birds – Flowers/Foliage October
Blackberry-invasive management – Pests October*
Blossom end rot - Edibles August
Blueberries
Fertilize - Edibles April, May, June
Pruning - Edibles January
Bolting - Edibles July
Borers
Black locust borer – Pests July
Bronze birch borer – Pests July
Crown borers (raspberry) – Edibles September
Branch die back
Black locust borer – Pests July
Bronze birch borer – Pests July
Cankers – Pests July
Eastern filbert blight – Pests July
Fall webworm – Pests August
Juniper twig blight – Pests September
Bulbs
Foliage clean-up – Flowers/Foliage April
Planting spring bloomers – Flowers/Foliage September, November
Winter storage – Flowers/Foliage October
Forcing – Flowers/Foliage December
Cabbage
Harvesting - Edibles September
Cankers – Pests July, December
Cherry fruit fly - Edibles July
Clean-up
Bulb foliage - Flowers/Foliage April, July
Dead/decaying material – Flowers/Foliage May
Deadhead – Flowers/Foliage June
Rhododendron deadhead – Flowers/Foliage July
Fall cleanup for pest/disease avoidance – Flowers/Foliage October, November, Pests October, Edibles September, October
Foliage – Flowers/Foliage July, November, Maintenance October
Pots – Maintenance March
Shrubs and trees – Maintenance January
Vegetable & fruit debris – Edibles October
Winter damage – Maintenance January, March
Cold hardiness (USDA zones) – Flowers/Foliage March
Compost
Benefits – Maintenance April
Cover for winter – Maintenance October
Lawns top dressing – Lawns November
Methods – Maintenance April
Water in dry periods – Maintenance July
Worm Bins – Maintenance April
Cool season crops
“Greens” to plant - Edibles February
Protection - Edibles February, March, October, November
When to plant - Edibles March, April
Conifer problems
Conifer flagging – Flowers/Foliage September
Sirococcus leaf blight – Pests June
Container plants – Flowers/Foliage May, June, July,
Cleaning pots - Maintenance January
Corn
When to harvest - Edibles September
Cover crops
Planting - Edibles October
Types - Edibles September, October
Crop rotation - Edibles January
Crown borers (raspberry) – Edibles September
Daylily gall midge – Pests April*
Dahlias – Flowers/Foliage May, August, October
Overwintering – Flowers/Foliage November
Deer and rabbit damage – Flowers/Foliage March
Deadheading – Flowers/Foliage June, July, August, September
Diseases
Apple anthracnose- Edibles August
Downy mildew – Pests May
Eastern filbert blight – Pests July
Fungus disease general management – Pests May, June, August
Juniper twig blight – Pests September*
Powdery mildew – Pests June, August, Edibles September
Rose diseases – Flowers/Foliage April
Rust fungus – Pests August
Sirrococcus blight – Pests June
Sooty mold – Pests May
Tomato blossom end rot – Edibles August
Tomato/potato late blight – Edibles August, October
Designing garden – Flowers/Foliage June, December
Dividing – Flowers/Foliage April, June, September, October
Iris – Flowers/Foliage July
Dahlias – Flowers/Foliage August, October
Drought/heat stress
Mitigation – Maintenance June, August, September
Potential damage – Maintenance June, September
Signs and symptoms – Maintenance August, September
Eco-lawns – Lawns April
Eggs of pests
Slugs* – Pests February
Viburnum leaf beetle* – Pests February
English ivy – Pests September*
Ergonomic tools – Maintenance November, December, Flowers/Foliage June
European chafer – Lawns March, April
Fall/winter vegetables
Harvesting - Edibles June, September
Planting - Edibles June, August, October
Protecting, winter - Edibles October, November
Types - Edibles July, Oct
Fall webworm – Pests August
Fertilize
After soil test – Flowers/Foliage May
Blueberries - Edibles April, May
Container plants – Flowers/Foliage June
Lawns – Edibles April, May, September, October, November, December
Raspberries - Edibles April, May, June
Rhododendrons, azaleas - Flowers/Foliage May
Roses – Flowers/Foliage July
Filbert problems – Pests July
Floating row covers - Edibles Feb, March, July
Frost dates - Flowers/Foliage May
Fruit, small fruits - Edibles October, December
Fruit trees
Barriers against pests - Edibles May, June
Deciding to grow - Edibles November, December
Dormant sprays - Edibles January
Pruning - Edibles January
Spraying for pests - Edibles January
Spray schedules - Edibles January, July
Thinning fruits - Edibles June
Fungus disease management
Clean-up – Pests October
Downy mildew – Pests May
Eastern filbert blight – Pests July
Juniper twig blight – Pests September*
Powdery mildew – Pests June, August
Rose disease control – Flowers/Foliage April
Rust – Pests August
Sirococcus leaf blight – Pests June
Sooty mold – Pests May
Galls – Pests June
Garden planning
Matching plants to microclimates (hydrozoning) – Maintenance April, June
Water-wise gardens – Maintenance June, September
Reassessing gardens – Maintenance September, Flowers/Foliage June, December
Xeriscaping – Maintenance September
Garlic
Choosing types - Edibles September, October
Planting - Edibles October, November
When to order - Edibles September
Gift ideas – Maintenance December
Growing season
Extending seasons - Edibles September
Hardening off transplants - Edibles April, May
Hardiness zones (USDA) – Flowers/Foliage March
Hardwood cuttings – Flowers/Foliage January, February, December
Heat loving vegetables
Methods to increase temperatures - Edibles May
Soil temperatures necessary - Edibles May
Types - Edibles May
Heat stress/Scorch – General Maintenance June, August, September, Flowers/Foliage July, August Hedges – Flowers/Foliage June, September
Houseplants
Culture and care – Flowers/Foliage January
House plant pests – Flowers/Foliage January
Repotting – Flowers/Foliage January
Holiday selections – Flowers/Foliage December
Hoophouses - Edibles February, June, September
In home insect pests – Pests October*
Insects
Aphids – Pests May, June
Apple codling moth – Edibles May, July
Apple maggot – Edibles May, June
Blackberries – Pests October*
Black locust borer – Pests July
Beneficial insects – Pests August, September, Flowers and Foliage October
Bronze birch borer – Pests July
Cherry fruit fly – Edibles July
Crown borers (raspberry) – Edibles September
Daylily gall midge – Pests April*
European chafer – Lawns March, April
European cranefly – Lawns March
Fall webworm – Pests August
In home – Pests October*
Lecanium scale – Pests November*
Mosquitoes – Pests July
Aquatic larvae – General August
Oystershell scale – Pests November*
Protection from – Edibles July
Red lily beetle – Pests May*, August*
References Master Gardeners use for pest control – Pests February
Root weevils – Pests June
Sawfly larvae – Pests June*
Scale – Pests May, November
Spotted wing drosophila fruit fly – Pests July*
Spruce aphids – Pests November
Stink bugs – Pests October
Tent caterpillars – Pests March*
Eggs location – Pests December*
Viburnum leaf beetle – Pests June, August*
Eggs – Pests February
Wasps – Pests August
Western boxelder bugs – Pests October
Western conifer seed bug – Pests October*
Yellow jackets – Pests August
Invasive plants – Flowers/Foliage June
Journal keeping - Edibles April
Juniper twig blight – Pests September*
Landscape lighting – Maintenance September
Late blight (tomatoes and potatoes) – Edibles August, October
Lawn alternatives – Lawns June
Lawn choices – Lawns January, August, October
Rehabilitating – Lawns September
Remove/reduce – Lawns January, August, October
Reseeding/starting new lawn – Lawns September
Restoration – Lawns May
Lawn compaction - Lawns January, February, November, December
Lawn dormancy – Lawns January
Summer dormancy - Lawns August
Lawn equipment maintenance – Maintenance November
Lawn herbicides – Lawns May
Lawn puddles – Lawns January
Lawn soil types and watering – Lawns July
Lawn tasks –
Aeration – Lawns September
Compost application – Lawns November
Dandelion and turf weed control – Lawns May
Dethatching – Lawns September
Fertilizing – Lawns April, May, September, October, November, December
Grasscycling/mulch mow – Lawns March, December
Lime for lawns– Lawns October, February, April, September
Mowing – Lawns March, April, July, August, November, December
Overseeding – Lawns May, September
Rake leaves – Lawns December
Watering – Lawns April, July
Weed management – Lawns March, July
Layering method of propagating – Flowers/Foliage April
Leaf damage
Discolored spots or patches
Downy mildew – Pests May
Powdery mildew – Pests June, August
Rust – Pests August
Notched
(Lilies) Red lily leaf beetle – Pests May*, August*
Root Weevil – Pests June
Sawfly larvae – Pests June
Shredded or tattered
Slugs – Pests February*, March, August*, September*
Skeletonized
Sawfly larvae – Pests June
Viburnum leaf beetles – Pests June, August*
Lecanium scale – Pests November*
Lettuce
Bolting - Edibles July
Harvesting loose leaf lettuce - Edibles July
Lily beetle – Pests May*, August*
Lime for lawns– Lawns October, February, April, September
Mice – Pests January (gnawing bark)
Microclimates – Maintenance April, Edibles January
Moles – Pests February, March*, Lawns March
Mosquitoes – Pests July
Aquatic larvae, mosquitoes – Pests July
Moss – Lawns October
Mowing – Lawns March, April, July, August, November, December
Mulch
Application – Maintenance January, May, Flowers/Foliage September, November
Benefits – Maintenance May, Edibles November
Materials – Maintenance May, October
Sheet mulching – Maintenance May
Sources – Maintenance May
Mulch mow – Lawns December
Natural lawn care – Lawns April
Notched leaves
Root weevils - Pests June
Sawflies – Pests June
Onions
When to harvest - Edibles August
Oystershell scale – Pests November*
Pears
Harvesting - Edibles August, September, October
How to tell if ripe - Edibles August*
Peas
Germination needs - Edibles February
Pests –References Master Gardeners use for pest control – Pests February
Planning
Planning vegetable garden - Edibles January, December
Journal Keeping - Edibles April
Planting
Annuals – Flowers/Foliage June
Bareroot trees and shrubs – Flowers/Foliage February
Choosing plants – Flowers/Foliage March, April, June
Early spring planting – Flowers/Foliage March
Soil readiness – Flowers/Foliage March
Trees and shrubs – Flowers/Foliage March, September
Ponds – Maintenance August
Potatoes
Late blight - Edibles October
When to harvest - Edibles August, September, October
Powdery mildew – Pests June, August, Edibles September
Propagating –
Divide perennials – Flowers/Foliage April, June, September
Divide tubers – Flowers/Foliage October
Hardwood cuttings – Flowers/Foliage January, February, December
Layering – Flowers/Foliage April
Seed saving – Flowers/Foliage August
Seed starting indoors (sweet peas) – Flowers/Foliage February
Semi-hardwood cuttings – Flowers/Foliage August, October
Softwood cuttings – Flowers/Foliage June
Pruning
Berry shrubs - Edibles January
Deadheading – Flowers/Foliage June, July, August
Foliage trimming, late winter- Flowers/Foliage February
Fruit trees - Edibles January, August
Hedges – Flowers/Foliage June
Perennials – Flowers/Foliage August, September
Spring-flowering plants – Flowers/Foliage March
Summer shrub pruning – Flowers/Foliage June, July
Trees and shrubs – Flowers/Foliage February, July, September, October, November, December
Pumpkins
When to harvest - Edibles September
Raised beds
Pros and cons - Maintenance February, Edibles March, April
Raspberries
Crown borers - Edibles September
Fertilize - Edibles April, May, June
How to grow - Edibles July
Pruning - Edibles January, July, November
Raspberry crown borer – Edibles September
Rabbits – Pests January, Edibles May, June, Flowers/Foliage March
Red lily (leaf) beetle – Pests May*, August*
References Master Gardeners use for pest control – Pests February
Rhubarb
How to cut – Edibles May
Root weevils – Pests June
Roses
Containers – Flowers/Foliage June
Deadheading – Flowers/Foliage September, October
Diseases – Flowers/Foliage April
Feeding – Flowers/Foliage July
Mulching – Flowers/Foliage November
Pruning – Flowers/Foliage April, November
Row covers
Cold protection - Edibles February, May
Preventing insect damage - Edibles June, July, September
Rust fungus – Pests August
Sawfly larvae – Pests June*
Scale – Pests May, November
Seeds
Direct sowing - Edibles May
Donate/exchange seeds - Edibles August
Microclimate considerations - Edibles January
Ordering - Edibles January, December
Seed catalogs - Edibles January, December
Seed saving - Edibles August, Flowers/Foliage August, October
Seed starting dates - Edibles January, February
Starting seeds indoors - Edibles March, April, December, Flowers/Foliage April
Preparing indoor equipment - Edibles February, December
Transplanting outdoors - Edibles May
Wildflower mix sowing – Flowers/Foliage October
Semi-hardwood cuttings – Flowers/Foliage August, October
Sheet mulching – Flowers/Foliage November
Sirococcus blight – Pests June
Slugs – Pests March*, August, September*, Edibles April
Slug eggs – Pests February*, March*, August*
Softwood cuttings – Flowers/Foliage June
Soils
Building healthy soil – Maintenance February, March, April
Compaction – Maintenance January, March, November
Permeability – Maintenance April
Soil Test – Lawns April, Maintenance March
Structure – Maintenance March
Testing Sources – Maintenance March
Texture – Maintenance March
Understanding test results – Maintenance April
Sooty mold – Pests May
Spiders – see beneficial insects Pests August
Spring Vegetables
Harvest - Edibles June
Spotted wing drosophila – Pests July*
Spruce aphids – Pests November
Stink bugs – Pests October
Strawberries - Edibles July
Tent caterpillars – Pests March*,
Eggs location – Pests December*
Tomatoes
Blossom end rot - Edibles August
Harvest green before frost - Edibles September, October
Late blight - Edibles August, October
Watering - Edibles July
When to pick - Edibles July, September
Tools
Care and maintenance – Maintenance November
Clean and sharpen – Maintenance January, November
Ergonomic – Maintenance May, December, Flowers/Foliage June
Lawn equipment maintenance – Lawns March
Tubers
Dividing – Flowers/Foliage October
Storing – Flowers/Foliage September, October
Viburnum leaf beetle – Pests February (eggs*), June, August*
Vegetable harvesting
Apples - Edibles August
Blackberries - Edibles July
Cold hardy vegetables - Edibles October
Corn - Edibles September
How to pick/cut – Edibles July
Lettuce – Edibles May, July
Onions - Edibles August
Potatoes - Edibles August
Pumpkins - Edibles September, October
Tomatoes - Edibles September, October
Winter squash - Edibles September, October
Vertical gardening - Edibles April, May
Voles – Pests January, July, Edibles May
Warm season vegetables
Floating row cover protection - Edibles April, May, July
Harvesting - Edibles July
Holding over - Edibles April
Planting from starts - Edibles May, June
When to plant - Edibles April, June
Wasps – see beneficial insects Pests August
Water
Drainage issues - Maintenance February
Heat stress watering - Edibles July, Flowers/Foliage August
Matching plants to moisture conditions – Maintenance February, April
Monitor plants in sheltered locations – Maintenance November, December
Smart watering – Maintenance April, July, October
Tomato extra watering - Edibles July
Vegetables in containers - Edibles July
Watering systems – Maintenance March, June
Waterwise gardening – Maintenance June
Webs in trees
Fall webworm – Pests August
Tent caterpillars – Pests March*
Weeds
Control - Maintenance July, October
Western boxelder bugs – Pests October
Western conifer seed bug – Pests October
Winter damage – Flowers/Foliage May, Maintenance March
Winter preparation
Container plants – Flowers/Foliage October
Dig/divide – Flowers/Foliage September, October
Forcing dormancy – Flowers/Foliage October
Frost dates – Flowers/Foliage October
Ground clean-up - Pests October, Edibles October
Perennials – Flowers/Foliage October
Protection – Flowers/Foliage January, October, December
Mulch – Edibles November, Flowers/Foliage September
Winterizing irrigation system – Maintenance November
Wine grapes - Edibles December
Winter squash
When to harvest - Edibles September, October
Winter vegetables-
See Fall/Winter vegetables
Yellow jackets (beneficial) – Pests August
Aphids – Pests May, June
Apples
Apple codling moth – Edibles May, July
Apple maggot control methods – Edibles May, June
Harvesting - Edibles August
Thinning fruit - Edibles May, June
Bare root plants – Flowers/Foliage February
Bark damage (chewed) – Pests January
Beans
Dry beans, harvesting - Edibles September
Dry beans, protecting - Edibles September
Beds, vegetable
Conserving space - Edibles April, May
Mulch - Edibles November
Preparing beds - Edibles March, April
Raised beds - Edibles March, April
Beneficial Insects – Flowers/Foliage October, Pests August, September, Edibles May
Pollinators – Edibles May, Flowers/Foliage October
Spiders – Pests September
Wasps/yellow jackets – Pests August
Protecting - Edibles May, Pests August, September, Flowers/Foliage October
Birds – Flowers/Foliage October
Blackberry-invasive management – Pests October*
Blossom end rot - Edibles August
Blueberries
Fertilize - Edibles April, May, June
Pruning - Edibles January
Bolting - Edibles July
Borers
Black locust borer – Pests July
Bronze birch borer – Pests July
Crown borers (raspberry) – Edibles September
Branch die back
Black locust borer – Pests July
Bronze birch borer – Pests July
Cankers – Pests July
Eastern filbert blight – Pests July
Fall webworm – Pests August
Juniper twig blight – Pests September
Bulbs
Foliage clean-up – Flowers/Foliage April
Planting spring bloomers – Flowers/Foliage September, November
Winter storage – Flowers/Foliage October
Forcing – Flowers/Foliage December
Cabbage
Harvesting - Edibles September
Cankers – Pests July, December
Cherry fruit fly - Edibles July
Clean-up
Bulb foliage - Flowers/Foliage April, July
Dead/decaying material – Flowers/Foliage May
Deadhead – Flowers/Foliage June
Rhododendron deadhead – Flowers/Foliage July
Fall cleanup for pest/disease avoidance – Flowers/Foliage October, November, Pests October, Edibles September, October
Foliage – Flowers/Foliage July, November, Maintenance October
Pots – Maintenance March
Shrubs and trees – Maintenance January
Vegetable & fruit debris – Edibles October
Winter damage – Maintenance January, March
Cold hardiness (USDA zones) – Flowers/Foliage March
Compost
Benefits – Maintenance April
Cover for winter – Maintenance October
Lawns top dressing – Lawns November
Methods – Maintenance April
Water in dry periods – Maintenance July
Worm Bins – Maintenance April
Cool season crops
“Greens” to plant - Edibles February
Protection - Edibles February, March, October, November
When to plant - Edibles March, April
Conifer problems
Conifer flagging – Flowers/Foliage September
Sirococcus leaf blight – Pests June
Container plants – Flowers/Foliage May, June, July,
Cleaning pots - Maintenance January
Corn
When to harvest - Edibles September
Cover crops
Planting - Edibles October
Types - Edibles September, October
Crop rotation - Edibles January
Crown borers (raspberry) – Edibles September
Daylily gall midge – Pests April*
Dahlias – Flowers/Foliage May, August, October
Overwintering – Flowers/Foliage November
Deer and rabbit damage – Flowers/Foliage March
Deadheading – Flowers/Foliage June, July, August, September
Diseases
Apple anthracnose- Edibles August
Downy mildew – Pests May
Eastern filbert blight – Pests July
Fungus disease general management – Pests May, June, August
Juniper twig blight – Pests September*
Powdery mildew – Pests June, August, Edibles September
Rose diseases – Flowers/Foliage April
Rust fungus – Pests August
Sirrococcus blight – Pests June
Sooty mold – Pests May
Tomato blossom end rot – Edibles August
Tomato/potato late blight – Edibles August, October
Designing garden – Flowers/Foliage June, December
Dividing – Flowers/Foliage April, June, September, October
Iris – Flowers/Foliage July
Dahlias – Flowers/Foliage August, October
Drought/heat stress
Mitigation – Maintenance June, August, September
Potential damage – Maintenance June, September
Signs and symptoms – Maintenance August, September
Eco-lawns – Lawns April
Eggs of pests
Slugs* – Pests February
Viburnum leaf beetle* – Pests February
English ivy – Pests September*
Ergonomic tools – Maintenance November, December, Flowers/Foliage June
European chafer – Lawns March, April
Fall/winter vegetables
Harvesting - Edibles June, September
Planting - Edibles June, August, October
Protecting, winter - Edibles October, November
Types - Edibles July, Oct
Fall webworm – Pests August
Fertilize
After soil test – Flowers/Foliage May
Blueberries - Edibles April, May
Container plants – Flowers/Foliage June
Lawns – Edibles April, May, September, October, November, December
Raspberries - Edibles April, May, June
Rhododendrons, azaleas - Flowers/Foliage May
Roses – Flowers/Foliage July
Filbert problems – Pests July
Floating row covers - Edibles Feb, March, July
Frost dates - Flowers/Foliage May
Fruit, small fruits - Edibles October, December
Fruit trees
Barriers against pests - Edibles May, June
Deciding to grow - Edibles November, December
Dormant sprays - Edibles January
Pruning - Edibles January
Spraying for pests - Edibles January
Spray schedules - Edibles January, July
Thinning fruits - Edibles June
Fungus disease management
Clean-up – Pests October
Downy mildew – Pests May
Eastern filbert blight – Pests July
Juniper twig blight – Pests September*
Powdery mildew – Pests June, August
Rose disease control – Flowers/Foliage April
Rust – Pests August
Sirococcus leaf blight – Pests June
Sooty mold – Pests May
Galls – Pests June
Garden planning
Matching plants to microclimates (hydrozoning) – Maintenance April, June
Water-wise gardens – Maintenance June, September
Reassessing gardens – Maintenance September, Flowers/Foliage June, December
Xeriscaping – Maintenance September
Garlic
Choosing types - Edibles September, October
Planting - Edibles October, November
When to order - Edibles September
Gift ideas – Maintenance December
Growing season
Extending seasons - Edibles September
Hardening off transplants - Edibles April, May
Hardiness zones (USDA) – Flowers/Foliage March
Hardwood cuttings – Flowers/Foliage January, February, December
Heat loving vegetables
Methods to increase temperatures - Edibles May
Soil temperatures necessary - Edibles May
Types - Edibles May
Heat stress/Scorch – General Maintenance June, August, September, Flowers/Foliage July, August Hedges – Flowers/Foliage June, September
Houseplants
Culture and care – Flowers/Foliage January
House plant pests – Flowers/Foliage January
Repotting – Flowers/Foliage January
Holiday selections – Flowers/Foliage December
Hoophouses - Edibles February, June, September
In home insect pests – Pests October*
Insects
Aphids – Pests May, June
Apple codling moth – Edibles May, July
Apple maggot – Edibles May, June
Blackberries – Pests October*
Black locust borer – Pests July
Beneficial insects – Pests August, September, Flowers and Foliage October
Bronze birch borer – Pests July
Cherry fruit fly – Edibles July
Crown borers (raspberry) – Edibles September
Daylily gall midge – Pests April*
European chafer – Lawns March, April
European cranefly – Lawns March
Fall webworm – Pests August
In home – Pests October*
Lecanium scale – Pests November*
Mosquitoes – Pests July
Aquatic larvae – General August
Oystershell scale – Pests November*
Protection from – Edibles July
Red lily beetle – Pests May*, August*
References Master Gardeners use for pest control – Pests February
Root weevils – Pests June
Sawfly larvae – Pests June*
Scale – Pests May, November
Spotted wing drosophila fruit fly – Pests July*
Spruce aphids – Pests November
Stink bugs – Pests October
Tent caterpillars – Pests March*
Eggs location – Pests December*
Viburnum leaf beetle – Pests June, August*
Eggs – Pests February
Wasps – Pests August
Western boxelder bugs – Pests October
Western conifer seed bug – Pests October*
Yellow jackets – Pests August
Invasive plants – Flowers/Foliage June
Journal keeping - Edibles April
Juniper twig blight – Pests September*
Landscape lighting – Maintenance September
Late blight (tomatoes and potatoes) – Edibles August, October
Lawn alternatives – Lawns June
Lawn choices – Lawns January, August, October
Rehabilitating – Lawns September
Remove/reduce – Lawns January, August, October
Reseeding/starting new lawn – Lawns September
Restoration – Lawns May
Lawn compaction - Lawns January, February, November, December
Lawn dormancy – Lawns January
Summer dormancy - Lawns August
Lawn equipment maintenance – Maintenance November
Lawn herbicides – Lawns May
Lawn puddles – Lawns January
Lawn soil types and watering – Lawns July
Lawn tasks –
Aeration – Lawns September
Compost application – Lawns November
Dandelion and turf weed control – Lawns May
Dethatching – Lawns September
Fertilizing – Lawns April, May, September, October, November, December
Grasscycling/mulch mow – Lawns March, December
Lime for lawns– Lawns October, February, April, September
Mowing – Lawns March, April, July, August, November, December
Overseeding – Lawns May, September
Rake leaves – Lawns December
Watering – Lawns April, July
Weed management – Lawns March, July
Layering method of propagating – Flowers/Foliage April
Leaf damage
Discolored spots or patches
Downy mildew – Pests May
Powdery mildew – Pests June, August
Rust – Pests August
Notched
(Lilies) Red lily leaf beetle – Pests May*, August*
Root Weevil – Pests June
Sawfly larvae – Pests June
Shredded or tattered
Slugs – Pests February*, March, August*, September*
Skeletonized
Sawfly larvae – Pests June
Viburnum leaf beetles – Pests June, August*
Lecanium scale – Pests November*
Lettuce
Bolting - Edibles July
Harvesting loose leaf lettuce - Edibles July
Lily beetle – Pests May*, August*
Lime for lawns– Lawns October, February, April, September
Mice – Pests January (gnawing bark)
Microclimates – Maintenance April, Edibles January
Moles – Pests February, March*, Lawns March
Mosquitoes – Pests July
Aquatic larvae, mosquitoes – Pests July
Moss – Lawns October
Mowing – Lawns March, April, July, August, November, December
Mulch
Application – Maintenance January, May, Flowers/Foliage September, November
Benefits – Maintenance May, Edibles November
Materials – Maintenance May, October
Sheet mulching – Maintenance May
Sources – Maintenance May
Mulch mow – Lawns December
Natural lawn care – Lawns April
Notched leaves
Root weevils - Pests June
Sawflies – Pests June
Onions
When to harvest - Edibles August
Oystershell scale – Pests November*
Pears
Harvesting - Edibles August, September, October
How to tell if ripe - Edibles August*
Peas
Germination needs - Edibles February
Pests –References Master Gardeners use for pest control – Pests February
Planning
Planning vegetable garden - Edibles January, December
Journal Keeping - Edibles April
Planting
Annuals – Flowers/Foliage June
Bareroot trees and shrubs – Flowers/Foliage February
Choosing plants – Flowers/Foliage March, April, June
Early spring planting – Flowers/Foliage March
Soil readiness – Flowers/Foliage March
Trees and shrubs – Flowers/Foliage March, September
Ponds – Maintenance August
Potatoes
Late blight - Edibles October
When to harvest - Edibles August, September, October
Powdery mildew – Pests June, August, Edibles September
Propagating –
Divide perennials – Flowers/Foliage April, June, September
Divide tubers – Flowers/Foliage October
Hardwood cuttings – Flowers/Foliage January, February, December
Layering – Flowers/Foliage April
Seed saving – Flowers/Foliage August
Seed starting indoors (sweet peas) – Flowers/Foliage February
Semi-hardwood cuttings – Flowers/Foliage August, October
Softwood cuttings – Flowers/Foliage June
Pruning
Berry shrubs - Edibles January
Deadheading – Flowers/Foliage June, July, August
Foliage trimming, late winter- Flowers/Foliage February
Fruit trees - Edibles January, August
Hedges – Flowers/Foliage June
Perennials – Flowers/Foliage August, September
Spring-flowering plants – Flowers/Foliage March
Summer shrub pruning – Flowers/Foliage June, July
Trees and shrubs – Flowers/Foliage February, July, September, October, November, December
Pumpkins
When to harvest - Edibles September
Raised beds
Pros and cons - Maintenance February, Edibles March, April
Raspberries
Crown borers - Edibles September
Fertilize - Edibles April, May, June
How to grow - Edibles July
Pruning - Edibles January, July, November
Raspberry crown borer – Edibles September
Rabbits – Pests January, Edibles May, June, Flowers/Foliage March
Red lily (leaf) beetle – Pests May*, August*
References Master Gardeners use for pest control – Pests February
Rhubarb
How to cut – Edibles May
Root weevils – Pests June
Roses
Containers – Flowers/Foliage June
Deadheading – Flowers/Foliage September, October
Diseases – Flowers/Foliage April
Feeding – Flowers/Foliage July
Mulching – Flowers/Foliage November
Pruning – Flowers/Foliage April, November
Row covers
Cold protection - Edibles February, May
Preventing insect damage - Edibles June, July, September
Rust fungus – Pests August
Sawfly larvae – Pests June*
Scale – Pests May, November
Seeds
Direct sowing - Edibles May
Donate/exchange seeds - Edibles August
Microclimate considerations - Edibles January
Ordering - Edibles January, December
Seed catalogs - Edibles January, December
Seed saving - Edibles August, Flowers/Foliage August, October
Seed starting dates - Edibles January, February
Starting seeds indoors - Edibles March, April, December, Flowers/Foliage April
Preparing indoor equipment - Edibles February, December
Transplanting outdoors - Edibles May
Wildflower mix sowing – Flowers/Foliage October
Semi-hardwood cuttings – Flowers/Foliage August, October
Sheet mulching – Flowers/Foliage November
Sirococcus blight – Pests June
Slugs – Pests March*, August, September*, Edibles April
Slug eggs – Pests February*, March*, August*
Softwood cuttings – Flowers/Foliage June
Soils
Building healthy soil – Maintenance February, March, April
Compaction – Maintenance January, March, November
Permeability – Maintenance April
Soil Test – Lawns April, Maintenance March
Structure – Maintenance March
Testing Sources – Maintenance March
Texture – Maintenance March
Understanding test results – Maintenance April
Sooty mold – Pests May
Spiders – see beneficial insects Pests August
Spring Vegetables
Harvest - Edibles June
Spotted wing drosophila – Pests July*
Spruce aphids – Pests November
Stink bugs – Pests October
Strawberries - Edibles July
Tent caterpillars – Pests March*,
Eggs location – Pests December*
Tomatoes
Blossom end rot - Edibles August
Harvest green before frost - Edibles September, October
Late blight - Edibles August, October
Watering - Edibles July
When to pick - Edibles July, September
Tools
Care and maintenance – Maintenance November
Clean and sharpen – Maintenance January, November
Ergonomic – Maintenance May, December, Flowers/Foliage June
Lawn equipment maintenance – Lawns March
Tubers
Dividing – Flowers/Foliage October
Storing – Flowers/Foliage September, October
Viburnum leaf beetle – Pests February (eggs*), June, August*
Vegetable harvesting
Apples - Edibles August
Blackberries - Edibles July
Cold hardy vegetables - Edibles October
Corn - Edibles September
How to pick/cut – Edibles July
Lettuce – Edibles May, July
Onions - Edibles August
Potatoes - Edibles August
Pumpkins - Edibles September, October
Tomatoes - Edibles September, October
Winter squash - Edibles September, October
Vertical gardening - Edibles April, May
Voles – Pests January, July, Edibles May
Warm season vegetables
Floating row cover protection - Edibles April, May, July
Harvesting - Edibles July
Holding over - Edibles April
Planting from starts - Edibles May, June
When to plant - Edibles April, June
Wasps – see beneficial insects Pests August
Water
Drainage issues - Maintenance February
Heat stress watering - Edibles July, Flowers/Foliage August
Matching plants to moisture conditions – Maintenance February, April
Monitor plants in sheltered locations – Maintenance November, December
Smart watering – Maintenance April, July, October
Tomato extra watering - Edibles July
Vegetables in containers - Edibles July
Watering systems – Maintenance March, June
Waterwise gardening – Maintenance June
Webs in trees
Fall webworm – Pests August
Tent caterpillars – Pests March*
Weeds
Control - Maintenance July, October
Western boxelder bugs – Pests October
Western conifer seed bug – Pests October
Winter damage – Flowers/Foliage May, Maintenance March
Winter preparation
Container plants – Flowers/Foliage October
Dig/divide – Flowers/Foliage September, October
Forcing dormancy – Flowers/Foliage October
Frost dates – Flowers/Foliage October
Ground clean-up - Pests October, Edibles October
Perennials – Flowers/Foliage October
Protection – Flowers/Foliage January, October, December
Mulch – Edibles November, Flowers/Foliage September
Winterizing irrigation system – Maintenance November
Wine grapes - Edibles December
Winter squash
When to harvest - Edibles September, October
Winter vegetables-
See Fall/Winter vegetables
Yellow jackets (beneficial) – Pests August