| 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