USDA Zone 6b Planting Calendar (2026)
Zone 6b (-5 to 0°F) has an average last spring frost on Apr 15 and first fall frost on Oct 20 — about 188 growing days. Typical areas: Washington DC, Lexington KY.
| Vegetable | Start Indoors | Sow / Transplant | Harvest From |
|---|---|---|---|
| Beet | — | Mar 18 | May 12 |
| 🥦 Broccoli | Mar 11 | Apr 1 | Jun 5 |
| 🫘 Bush Beans | — | Apr 22 | Jun 16 |
| 🥬 Cabbage | Mar 4 | Apr 1 | Jun 20 |
| 🥕 Carrot | — | Mar 25 | Jun 3 |
| 🥦 Cauliflower | Mar 4 | Apr 1 | Jun 15 |
| 🌽 Corn | — | Apr 29 | Jul 18 |
| 🥒 Cucumber | Mar 25 | Apr 29 | Jun 23 |
| 🧄 Garlic | — | Sep 30 | May 28 |
| 🥬 Kale | Mar 11 | Mar 25 | May 19 |
| 🥬 Lettuce | Mar 18 | Mar 25 | May 9 |
| 🧅 Onion | Feb 4 | Mar 18 | Jun 26 |
| 🟢 Peas | — | Mar 4 | May 3 |
| 🫑 Pepper | Feb 18 | Apr 29 | Jul 8 |
| 🥔 Potato | — | Apr 1 | Jun 30 |
| 🌶️ Radish | — | Mar 18 | Apr 15 |
| 🍃 Spinach | — | Mar 11 | Apr 20 |
| 🎃 Summer Squash | Mar 25 | Apr 22 | Jun 11 |
| 🍅 Tomato | Mar 4 | Apr 22 | Jul 6 |
| 🥒 Zucchini | Mar 25 | Apr 22 | Jun 11 |