What to Plant in June — Zone 4

June sits inside zone 4's frost-free season (May 5 – Oct 1) — everything on this page can go straight into warm soil.

Transplant outdoors — Set out sturdy transplants during these windows.

🌶️ Okra May 26 – Jun 2 55–65 days to maturity
🍠 Sweet Potatoes May 19 – Jun 2 90–120 days to maturity

Direct sow — Seeds straight into garden soil.

🌶️ Okra May 19 – Jun 2 55–65 days to maturity

Fall planting — Counted back from the first fall frost.

🥬 Cabbage Jun 25 – Jul 9 65–85 days to maturity
🥦 Broccoli Jun 25 – Jul 9 60–75 days to maturity
🥦 Cauliflower Jun 25 – Jul 9 60–80 days to maturity

Windows use zone 4's typical frost dates (May 5 / Oct 1). 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 June in zone 4?

5 crops can go in the ground: okra, sweet potatoes, cabbage, broccoli, cauliflower. Exact windows are in the tables above — early and late in the month can differ by a full frost date.

Is June the right time for tomatoes in zone 4?

The spring window has passed; tomatoes set out this late won't beat the Oct 1 average first frost to ripeness. Plan for next spring's seed-starting instead.