What to Plant in May — Zone 6

May sits inside zone 6's frost-free season (Apr 10 – Oct 22) — everything on this page can go straight into warm soil.

Transplant outdoors — Set out sturdy transplants during these windows.

🫑 Peppers Apr 24 – May 1 60–90 days to maturity
🍆 Eggplant Apr 24 – May 1 65–80 days to maturity
🍉 Watermelon Apr 24 – May 1 75–95 days to maturity
🍈 Cantaloupe Apr 24 – May 1 75–90 days to maturity
🌶️ Okra May 1 – May 8 55–65 days to maturity
🍠 Sweet Potatoes Apr 24 – May 8 90–120 days to maturity

Direct sow — Seeds straight into garden soil.

🍉 Watermelon Apr 24 – May 1 75–95 days to maturity
🍈 Cantaloupe Apr 24 – May 1 75–90 days to maturity
🌶️ Okra Apr 24 – May 8 55–65 days to maturity
🌿 Basil Apr 24 – May 1 30–60 days to maturity

Windows use zone 6's typical frost dates (Apr 10 / Oct 22). For your own city's dates, run the frost lookup — the planting calendar then localizes everything automatically.

Frequently asked questions

What can I plant outside in May in zone 6?

7 crops can go in the ground: peppers, eggplant, watermelon, cantaloupe, okra, sweet potatoes, basil. Exact windows are in the tables above — early and late in the month can differ by a full frost date.

Is May the right time for tomatoes in zone 6?

The spring window has passed; tomatoes set out this late won't beat the Oct 22 average first frost to ripeness. Plan for next spring's seed-starting instead.