DibbleSeed starting calendar for Zone 4
Zone 4's last spring frost lands around May 10, and every date below is counted back from it. Sow indoors in the window shown, then move the seedlings out once the transplant date arrives.
Cool climate with a brief warm window. Indoor starts and season extension help.
| Crop | Start indoors | Move outside |
|---|---|---|
| Onion | Mar 1 to Mar 15 | Apr 26 to May 10 |
| Leek | Mar 1 to Mar 15 | Apr 26 to May 10 |
| Celery | Mar 1 to Mar 15 | May 10 to May 24 |
| Pepper | Mar 15 to Mar 29 | May 24 to Jun 7 |
| Sage | Mar 15 to Mar 29 | May 10 to May 24 |
| Eggplant | Mar 15 to Mar 29 | May 24 to Jun 7 |
| Hot Pepper | Mar 15 to Mar 29 | May 24 to Jun 7 |
| Tomato | Mar 29 to Apr 12 | May 17 to May 31 |
| Kale | Mar 29 to Apr 12 | Apr 26 to May 10 |
| Broccoli | Mar 29 to Apr 12 | Apr 26 to May 10 |
| Cabbage | Mar 29 to Apr 12 | Apr 26 to May 10 |
| Marigold | Mar 29 to Apr 12 | May 10 to May 24 |
| Parsley | Mar 29 to Apr 12 | Apr 26 to May 10 |
| Oregano | Mar 29 to Apr 12 | May 10 to May 24 |
| Chives | Mar 29 to Apr 12 | Apr 26 to May 10 |
| Cauliflower | Mar 29 to Apr 12 | Apr 26 to May 10 |
| Tomatillo | Mar 29 to Apr 12 | May 17 to May 31 |
| Collard Greens | Mar 29 to Apr 12 | Apr 26 to May 10 |
| Basil | Apr 12 to Apr 26 | May 17 to May 31 |
| Brussels Sprouts | Apr 12 to Apr 26 | May 24 to Jun 7 |
Other zones
Plant at the right time this season
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