In the garden now (2 November 2026)
Oklahoma City planting calendar
Bars show when each crop can go in and when a planting from that window is ready. The blue band is the frost season, from the average first autumn frost to the average last spring frost. Hover or tap a crop for details.
Sow indoorsSow or plant outdoorsHarvestFrost seasonToday
Swipe sideways to see the whole year →
Dates by crop
| Crop | Sow indoors | Sow / plant outdoors | Harvest |
|---|---|---|---|
| Tomato | Feb 17 – Mar 24, May 10 – Jun 14 | Apr 14 – Jun 7, Jul 5 – Aug 24 plant out | Jun 12 – Nov 1 |
| Pepper | Feb 9 – Mar 16 | Apr 20 – Aug 21 plant out | Jun 18 – Nov 1 |
| Eggplant (aubergine) | Feb 15 – Mar 22, Apr 21 – May 26 | Apr 26 – Jun 2, Jun 30 – Aug 17 plant out | Jun 26 – Nov 1 |
| Cucumber | Mar 17 – Apr 13 | Apr 14 – Jun 13, Jul 14 – Sep 3 sow | Jun 1 – Nov 1 |
| Zucchini (courgette) | Mar 14 – Apr 10 | Apr 11 – Sep 7 sow | May 27 – Nov 1 |
| Pumpkin and winter squash | Mar 17 – Apr 13 | Apr 14 – Aug 6 sow | Jul 2 – Nov 1 |
| Watermelon | Mar 29 – Apr 25 | Apr 26 – Aug 17 sow | Jun 29 – Nov 1 |
| Sweet corn | – | Apr 11 – Aug 20 sow | Jun 17 – Nov 1 |
| Green beans | – | Apr 11 – Jun 2, Jul 25 – Sep 3 sow | May 31 – Aug 14, Sep 2 – Nov 1 |
| Peas | – | Feb 21 – Mar 14 sow | May 4 – Jun 8 |
| Lettuce | Jan 31 – Feb 28 | Mar 7 – Apr 6, Sep 12 – Sep 26 sow | Apr 28 – Jun 12, Oct 20 – Nov 12 |
| Spinach | – | Feb 21 – Mar 31, Oct 3 – Oct 7 sow | Apr 19 – Jun 4, Nov 18 – Dec 2 |
| Kale | Jan 17 – Feb 21 | Feb 28 – May 1, Sep 6 – Sep 27 sow | May 3 – Aug 22, Oct 22 – Dec 17 |
| Cabbage | Jan 17 – Feb 21, Jul 19 – Aug 8 | Mar 7 – Apr 5, Sep 6 – Sep 12 plant out | May 17 – Jun 29, Nov 7 – Nov 23 |
| Broccoli | Jan 24 – Feb 28, Jul 25 – Aug 13 | Mar 14 – Apr 13, Sep 12 – Sep 17 plant out | May 12 – Jun 28, Nov 5 – Nov 16 |
| Carrots | – | Mar 14 – May 9, Sep 6 – Sep 20 sow | May 16 – Aug 24, Nov 1 – Dec 17 |
| Beets (beetroot) | – | Mar 14 – May 16, Sep 6 – Sep 23 sow | May 9 – Aug 9, Oct 22 – Nov 23 |
| Radishes | – | Feb 28 – Apr 22, Sep 23 – Oct 15 sow | Apr 7 – May 26, Oct 14 – Nov 16 |
| Onions | Dec 27 – Jan 31, Mar 31 – Apr 19 | Mar 7 – May 10, Jun 9 – Jun 14 plant out | Jun 4 – Aug 19, Aug 22 – Sep 23 |
| Garlic | – | Oct 31 – Nov 16 sow | Apr 30 – May 20 |
| Potatoes | – | Mar 21 – May 2 sow | Jun 7 – Aug 21 |
| Swiss chard | – | Mar 21 – May 18, Aug 22 – Sep 27 sow | May 9 – Nov 23 |
| Basil | Mar 9 – Apr 6 | Apr 20 – Sep 21 plant out | May 18 – Nov 1 |
| Cilantro (coriander) | – | Mar 14 – Apr 14, Sep 23 – Oct 6 sow | Apr 24 – Jun 11, Oct 25 – Nov 16 |
| Parsley | Jan 17 – Feb 21 | Mar 14 – May 6, Sep 6 – Sep 15 sow | May 20 – Oct 19, Nov 7 – Dec 2 |
Dates are for a typical year and the middle of the window is the safest. Sow a little at a time across a window rather than all at once. Cold snaps, heat waves, frost pockets and city warmth all shift the real dates; watch the forecast.
Frost dates in Oklahoma City
- Average last spring frost
- April 4
- Late frost (1 year in 10)
- April 20
- Average first autumn frost
- November 2
- Early frost (1 year in 10)
- October 21
- Frost-free growing season
- 211 days
“Average” is the date with an even chance of a later (spring) or earlier (autumn) frost: a night at or below 0 °C (32 °F) at screen height. Tender crops go out a week or two after the spring date, which brings the risk down to about one year in ten.
Source: NOAA 1991–2020 normals, Oklahoma Cy Will Rogers World (12 km from the city centre).
Climate at a glance
- Hardiness zone
- 7b from station records
- Average coldest winter night
- -14°C8°F
- Warmest month
- July, highs 35°C95°F
- Coldest month
- January, lows -2°C29°F
- Crops with an outdoor window
- 25 of 25
The zone follows the USDA scheme: bands of the average lowest temperature of the year, 10 °F wide, split into a and b halves. Worked out from the coldest night of each year 1991–2020 at the NOAA station. It tells you which perennials survive winter, not when to sow.
Temperature and rain by month
Average highAverage lowRainFreezing point
| Month | High | Low | Mean | Rain |
|---|---|---|---|---|
| January | 11°C51°F | -2°C29°F | 4°C40°F | 33 mm1.3 in |
| February | 13°C56°F | 0°C32°F | 7°C44°F | 38 mm1.5 in |
| March | 19°C65°F | 5°C41°F | 12°C53°F | 64 mm2.5 in |
| April | 24°C74°F | 10°C50°F | 17°C62°F | 86 mm3.4 in |
| May | 28°C82°F | 16°C60°F | 22°C71°F | 136 mm5.4 in |
| June | 32°C90°F | 20°C69°F | 26°C79°F | 109 mm4.3 in |
| July | 35°C95°F | 23°C73°F | 29°C84°F | 83 mm3.3 in |
| August | 35°C94°F | 22°C71°F | 28°C83°F | 68 mm2.7 in |
| September | 30°C86°F | 17°C63°F | 24°C75°F | 82 mm3.2 in |
| October | 24°C75°F | 11°C51°F | 17°C63°F | 84 mm3.3 in |
| November | 17°C62°F | 4°C39°F | 10°C51°F | 56 mm2.2 in |
| December | 11°C52°F | -1°C31°F | 5°C41°F | 43 mm1.7 in |
Monthly averages 1991–2020 from TerraClimate (about 4 km grid).