Example: Plano, TX (75024). Search above for your own place.
Averages for Plano, TX (75024), from 1991 to 2020 records at the nearest NOAA station.
| Safer spring planting date | Mar 29 (only a 1 in 10 chance of frost after this) |
|---|---|
| Last spring frost | 1 year in 10 it's over by Feb 18; half of years by Mar 7; 9 in 10 by Mar 29 |
| First fall frost | 1 year in 10 it comes by Nov 2; half of years by Nov 21; 9 in 10 by Dec 9 |
| Hard freeze (28°F) | last in spring around Feb 24; first in fall around Dec 4 |
| NOAA weather station | Richardson, TX (6.5 mi away, 678 ft elevation) |
Tender crops (tomatoes, peppers, basil): extension guides set them out 1 to 2 weeks after the average last frost, as in the calendar below. For a 9 in 10 chance of no more frost, wait until Mar 29. Cover them or bring them in from about Nov 2 in fall.
| Crop | Type | Start seeds indoors | Plant outside |
|---|---|---|---|
| Onions (from seed) | Cool | Nov 29 – Dec 13 | Feb 7 |
| Spinach | Cool | sow outside | Feb 7 – Feb 21 |
| Peas | Cool | sow outside | Feb 7 – Feb 21 |
| Radishes | Cool | sow outside | Feb 7 – Feb 21 |
| Cabbage | Cool | Dec 27 – Jan 10 | Feb 7 |
| Kale | Cool | Dec 27 – Jan 10 | Feb 7 |
| Lettuce | Cool | Jan 3 – Jan 17 | Feb 7 – Feb 14 |
| Broccoli | Cool | Dec 27 – Jan 24 | Feb 7 – Feb 21 |
| Cauliflower | Cool | Jan 10 – Jan 24 | Feb 21 |
| Carrots | Cool | sow outside | Feb 21 – Mar 7 |
| Beets | Cool | sow outside | Feb 21 – Mar 7 |
| Beans | Warm | sow outside | Mar 7 |
| Sweet corn | Warm | sow outside | Mar 7 |
| Tomatoes | Warm | Jan 17 – Feb 7 | Mar 14 – Mar 21 |
| Cucumbers | Warm | Feb 14 – Feb 28 | Mar 14 – Mar 21 |
| Peppers | Warm | Jan 10 – Jan 24 | Mar 21 |
| Eggplant | Warm | Jan 10 – Jan 31 | Mar 21 – Mar 28 |
| Squash and zucchini | Warm | Feb 21 – Feb 28 | Mar 21 |
| Pumpkins and winter squash | Warm | Feb 21 – Feb 28 | Mar 21 |
| Melons | Warm | Feb 21 – Feb 28 | Mar 21 |
| Basil | Warm | Jan 24 – Feb 7 | Mar 21 |
Spring timings from UNH and Colorado State Extension, counted from your average last frost (Mar 7). They are earliest typical dates: in a cold spring, hold warm crops until Mar 29 and the soil has warmed. Lettuce can be sown outside instead of started indoors.
| Crop | Plant by | Days to harvest | Frost |
|---|---|---|---|
| Broccoli (transplants) | Aug 15 | 60–80 | Takes a hard frost |
| Cauliflower (transplants) | Aug 15 | 50–95 | Takes a light frost |
| Cabbage (transplants) | Aug 22 | 60–90 | Takes a hard frost |
| Carrots | Aug 22 | 60–80 | Takes a light frost |
| Peas | Aug 29 | 55–90 | Takes a hard frost |
| Bush beans | Aug 29 | 52–70 | Killed by frost |
| Collards | Sep 12 – Sep 26 | 60–80 | Takes a hard frost |
| Beets | Sep 12 – Sep 26 | 50–80 | Takes a light frost |
| Spinach | Sep 26 – Oct 10 | 40–60 | Takes a hard frost |
| Kale | Sep 26 – Oct 10 | 55–75 | Takes a hard frost |
| Turnips | Sep 26 – Oct 10 | 60–75 | Takes a hard frost |
| Radishes | Oct 3 | 20–49 | Takes a hard frost |
| Leaf lettuce | Oct 10 | 40–60 | Takes a light frost |
| Swiss chard | Oct 10 | 55–60 | Takes a light frost |
Latest planting dates, counted back from your average first frost (Nov 21) by the number of weeks in Montana State University Extension's planting schedule; frost tolerance from Purdue Extension. Crops that take a hard frost keep growing after the first light frost.