What to Plant in August — Zone 6

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

Fall planting — Counted back from the first fall frost.

🫛 Peas Aug 13 – Aug 27 55–70 days to maturity
🥬 Lettuce Aug 27 – Sep 24 45–60 days to maturity
🍃 Spinach Aug 27 – Sep 10 40–50 days to maturity
🥬 Kale Jul 30 – Aug 13 55–65 days to maturity
🌈 Swiss Chard Aug 13 – Aug 27 50–60 days to maturity
🍃 Collard Greens Jul 30 – Aug 13 60–75 days to maturity
🥬 Kohlrabi Aug 13 – Aug 27 45–60 days to maturity
🥕 Carrots Jul 30 – Aug 13 60–75 days to maturity
🫒 Beets Aug 13 – Aug 27 50–65 days to maturity
🥔 Turnips Aug 13 – Aug 27 40–55 days to maturity
🧅 Scallions Aug 27 – Sep 10 60–70 days to maturity
🥬 Bok Choy Aug 27 – Sep 10 45–55 days to maturity
🌿 Mustard Greens Aug 27 – Sep 10 35–45 days to maturity
🫘 Green Beans (Bush) Aug 13 – Aug 27 50–60 days to maturity
🌿 Cilantro Aug 27 – Sep 10 45–55 days to maturity
🌾 Dill Aug 27 – Sep 10 40–55 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 August in zone 6?

16 crops can go in the ground: peas, lettuce, spinach, kale, swiss chard, collard greens, kohlrabi, carrots, and 8 more. 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 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.

August in other zones

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

Zone 6, month by month

← July September → All months

Zone 6 frost dates near you

Juneau, AKFlagstaff, AZDenver, COHartford, CTCoeur d’Alene, IDChicago, ILSpringfield, ILIndianapolis, IN