What to Plant in August — Zone 1

August closes the season in zone 1 — the average first frost arrives around Aug 25. It's harvest and garlic-planting time more than sowing time.

Fall planting — Counted back from the first fall frost.

🧄 Garlic Jul 14 – Aug 11 plant cloves; harvest next summer

Windows use zone 1's typical frost dates (Jun 15 / Aug 25). 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 August in zone 1?

1 crops can go in the ground: garlic. Exact windows are in the tables above — early and late in the month can differ by a full frost date.

Is August the right time for tomatoes in zone 1?

The spring window has passed; tomatoes set out this late won't beat the Aug 25 average first frost to ripeness. Plan for next spring's seed-starting instead.

August in other zones

Zone 1Zone 2Zone 3Zone 4Zone 5Zone 6Zone 7Zone 8Zone 9Zone 10Zone 11Zone 12Zone 13

Zone 1, month by month

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