Here’s a zone-by-zone to-do list for the month of May.
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If you don't know what USDA Plant Hardiness Zone you live in, check the map here to find out.
May To-Do List for Zone 3
Remove winter protection from hybrid tea roses, but have those jute sacks ready in case of a freeze.
Begin hardening off annual flowers by exposing them to cooler temperatures for longer periods each day.
Seed cold-weather crops.
Give perennials and fruit trees a generous feeding of compost, and if it has been dry, water them deeply to boost their growth.
Toward the end of the month, plant potatoes and seeds of warm-season crops.
Protect cauliflower and broccoli transplants from root maggots with 4-by-4-inch collars made of heavy paper, placed on the soil around the base of the plants.
May To-Do List for Zone 3
