Independent garden toolNot the City of Garfield Heights
Seed Clock

The year calendar

2026 at usual odds

All 34 vegetables on one chart. Pale blue is frost risk (before Apr 27 and after Oct 30). The pale bars are indoor seed-starting windows, the green bars are planting-out windows, and the red line is today.

2025 2026 2027

Frost odds · chance of a freezing night after your spring date

Vegetable JanFebMarAprMayJunJulAugSepOctNovDec
Lima bean outdoors Apr 20 – Aug 7
Snap bean outdoors Apr 20 – Aug 7
Beet outdoors Mar 30 – Sep 4
Broccoli indoors Jan 19 – Jun 12; outdoors Mar 16 – Jul 24
Brussels sprouts indoors Jan 19 – Apr 6; outdoors Mar 16 – May 18
Cabbage indoors Jan 19 – Jun 19; outdoors Mar 16 – Jul 31
Carrot outdoors Mar 30 – Jul 31
Cauliflower indoors Mar 2 – Jun 26; outdoors Apr 6 – Jul 24
Celery indoors Jan 26 – Apr 10; outdoors Apr 6 – Jun 19
Swiss chard outdoors Mar 30 – Sep 18
Chinese cabbage indoors Feb 16 – Mar 30; outdoors Mar 16 – Apr 27; indoors around Jul 17; outdoors around Aug 14
Collards outdoors Mar 30 – May 11; outdoors Aug 21 – Sep 4
Sweet corn indoors Mar 30 – Apr 20; outdoors Apr 27 – May 18
Cucumber indoors Mar 23 – Jul 10; outdoors Apr 20 – Aug 7
Eggplant indoors Feb 9 – Jun 12; outdoors Apr 20 – Jul 24
Kale outdoors Mar 23 – May 11; outdoors Sep 4 – Sep 18
Kohlrabi indoors Jan 26 – Mar 30; outdoors Mar 23 – May 11; indoors Jun 26 – Jul 10; outdoors around Aug 21
Lettuce indoors Feb 16 – Aug 21; outdoors Mar 30 – Sep 18
Muskmelon indoors Mar 23 – Jun 19; outdoors Apr 20 – Jul 10
Okra indoors Feb 23 – May 29; outdoors Apr 20 – Jul 10
Onion indoors Feb 9 – Apr 13; outdoors Apr 6 – May 11
Parsnip outdoors Mar 30 – May 25
Peas outdoors Mar 16 – May 18; outdoors around Aug 7
Pepper indoors Feb 23 – May 22; outdoors Apr 20 – Jul 3
Potato outdoors Apr 20 – Jul 3
Pumpkin indoors Mar 30 – Jun 19; outdoors Apr 27 – Jul 17
Radish outdoors around Mar 16; outdoors around Sep 11
Rutabaga outdoors Mar 16 – Jul 10
Spinach outdoors Mar 16 – May 3; outdoors Sep 4 – Sep 18
Summer squash indoors Mar 30 – Jul 24; outdoors Apr 27 – Aug 21
Winter squash indoors Mar 23 – Jul 10; outdoors Apr 20 – Jul 31
Tomato indoors Feb 9 – May 22; outdoors Apr 20 – Jul 3
Turnip outdoors Mar 16 – Jun 21; outdoors Sep 4 – Sep 18
Watermelon indoors Mar 23 – Jun 19; outdoors Apr 20 – Jul 10

Start indoors Plant out / sow Frost risk

Print it, or carry it in your phone. Your own plan as a season wall chart and a calendar file is part of the Garden Book with Plus.

Plus Wall chart, calendar file and CSV export: $1.95/month or $19.50/year. Free during preview What Plus adds