Printable Garden Pest Timing
Calendar – Zones 2–9 🦁🌿

Pest Approx. Month IPM / Planting Tips
Aphids April–May (1st wave), June (2nd wave), July (3rd wave) Blast with water, delay tender plantings, encourage ladybugs
Cutworms April–May Plant deeper, use collars, delay direct sowing seedlings by 1 week
Flea beetles April–May Row covers, delay brassicas until late May, transplant early indoors
Leafminers June Plant second crop later, remove infested leaves early
Cabbage moths / worms June–July Transplant rather than direct sow, row covers early, hand-pick larvae
Spider mites June–August Water stress control, mulch, hose down plants
Japanese beetles July–August Hand-pick early in morning, trap-free strategies
Corn earworm August Plant corn early to tassel before arrival
Cucumber beetles August Floating row covers early season, delay plantings to avoid peak

For the full interactive version with images and seasonal hub links, visit Canadian Gardening – Pest Timing