Sow now › USDA zone 4 › May
What to sow in May
in USDA zone 4
99 crops can go in this month. Typical last frost zone 4: about 1 May. First autumn frost about 1 October. This is the May page; jump to this month.
Sow in May
Plant out in May
Sown earlier under cover, hardened off, and going in the ground once the last frost has passed.
Ready to pick in May
Coming up in June
Sweet Potato. See the June page.
Your ZIP code
Type your ZIP and you'll get the page for your zone, with the typical frost dates.
Questions people ask
What can I sow in May in USDA zone 4?
99 crops go in this month in USDA zone 4: Acorn Squash (Pumpkin), Apple, Apricot, Arugula, Asian Pear, Asparagus, Basil, Beetroot and more.
When is the last frost in USDA zone 4?
Typically around 1 May, with the first autumn frost about 1 October. Treat those as averages and watch the forecast; a cold spring can push them back a fortnight.
What's ready to harvest in May in USDA zone 4?
Arugula, Asparagus, Beefsteak Tomato, Cherry Tomato, Early Season Tomato, Heat Tolerant Tomato, Heirloom Tomato, Lettuce and more.
Plan the plot, track every sowing, cook the harvest
Sowing reminders and harvest forecasts for your own frost dates, the Seed Tin, Scan Centre for any label or packet, and the Potty Mouth Garden Club. Free to start.
Allotment keeper in the North East of England, the voice behind the Tony C Smith YouTube channel, and the gardener who built GrowMore CookMore. Club numbers on this page update as members log their plots. Last updated 4 September 2026.