Frisco, TX frost dates
How Frisco compares
- In 8 years out of 10, the last spring frost in Frisco falls between February 18 and March 29, a 39-day window. The first fall frost falls between November 2 and December 9.
- The median last frost is 8 days earlier than the Texas median of Mar 15.
- Its 259-day growing season is longer than 70% of the 1,316 Texas places with a regular frost season (state median 245 days).
- The last frost is 9 days earlier than the zone 8b median of Mar 16. Hardiness zones measure winter cold, not season length, so use these dates rather than a zone 8b chart.
- The weather station records an average of 35 nights a year at or below 32°F.
- Frisco shares its weather station with Plano, TX, 18 km away, so the two have the same frost dates.
Frost probability
| Chance of frost after | Date |
|---|---|
| 90% (early) | February 18 |
| 50% (median) | March 7 |
| 10% (safe for tender plants) | March 29 |
| Chance of frost before | Date |
|---|---|
| 10% (early) | November 2 |
| 50% (median) | November 21 |
| 90% (late) | December 9 |
Frost here means 32°F (0°C). A median date means half of years have their last frost earlier and half later.
Planting calendar for Frisco, TX
Frisco, TX frost dates — last frost Mar 7, first frost Nov 21, zone 8b. whenisthelastfrost.com
When to plant vegetables in Frisco, TX
| Crop | Start indoors | Transplant | Sow outdoors | Fall crop |
|---|---|---|---|---|
| Onions | Dec 13 – Dec 27 | Feb 7 – Feb 21 | — | — |
| Peppers | Dec 27 – Jan 10 | Mar 21 – Apr 4 | — | — |
| Eggplant | Dec 27 – Jan 10 | Mar 21 – Apr 4 | — | — |
| Tomatoes | Jan 10 – Jan 24 | Mar 14 – Mar 28 | — | — |
| Lettuce | Jan 10 – Jan 24 | Feb 14 – Feb 28 | Feb 7 – Mar 14 | Sep 26 – Oct 24 |
| Kale | Jan 10 – Jan 24 | Feb 7 – Feb 21 | Feb 7 – Feb 21 | Sep 12 – Oct 3 |
| Broccoli | Jan 10 – Jan 24 | Feb 21 – Mar 7 | — | Aug 15 – Sep 5 |
| Cabbage | Jan 10 – Jan 24 | Feb 14 – Feb 28 | — | Aug 15 – Sep 5 |
| Cauliflower | Jan 10 – Jan 24 | Feb 21 – Mar 7 | — | Aug 15 – Sep 5 |
| Okra | Jan 24 – Feb 7 | Mar 28 – Apr 11 | Mar 28 – Apr 11 | — |
| Basil | Jan 24 – Feb 7 | Mar 14 – Mar 28 | — | — |
| Peas | — | — | Jan 24 – Feb 14 | Aug 29 – Sep 19 |
| Spinach | — | — | Jan 24 – Feb 14 | Sep 26 – Oct 17 |
| Radishes | — | — | Jan 31 – Mar 14 | Oct 10 – Oct 31 |
| Cucumbers | Feb 7 – Feb 14 | Mar 21 – Mar 28 | Mar 14 – Mar 28 | Sep 5 – Sep 19 |
| Zucchini & Summer Squash | Feb 7 – Feb 14 | — | Mar 14 – Mar 28 | Sep 12 – Sep 26 |
| Winter Squash & Pumpkins | Feb 7 – Feb 14 | — | Mar 14 – Mar 28 | — |
| Melons & Watermelon | Feb 7 – Feb 14 | Mar 21 – Apr 4 | — | — |
| Carrots | — | — | Feb 14 – Mar 14 | Aug 29 – Sep 12 |
| Beets | — | — | Feb 14 – Mar 14 | Sep 12 – Sep 26 |
| Potatoes | — | — | Feb 14 – Mar 7 | — |
| Swiss Chard | — | — | Feb 21 – Mar 21 | Sep 12 – Sep 26 |
| Cilantro | — | — | Feb 21 – Mar 14 | Sep 26 – Oct 17 |
| Green Beans | — | — | Mar 14 – Apr 4 | Sep 5 – Sep 19 |
| Sweet Corn | — | — | Mar 14 – Mar 28 | — |
| Sweet Potatoes | — | Mar 21 – Apr 11 | — | — |
| Garlic | — | — | — | Nov 7 – Dec 12 |
Dates come from the median frost dates and common extension-service timing. Adjust for your soil temperature, microclimate and the varieties you grow.
About these dates
Based on 1991–2020 NOAA climate normals for the Richardson, TX weather station, 21 km away (elevation 679 ft (207 m)).
ZIP codes in Frisco: 75033 75034 75035 75036
Frost dates near Frisco
- Prosper Mar 17 · Nov 15
- The Colony Mar 7 · Nov 21
- Little Elm Mar 13 · Nov 20
- Celina Mar 17 · Nov 15
- Allen Mar 18 · Nov 11
- Plano Mar 7 · Nov 21
- Mckinney Mar 17 · Nov 15
- Lake Dallas Mar 13 · Nov 20
- Aubrey Mar 24 · Nov 16
- Carrollton Mar 7 · Nov 21
Frequently asked questions
When is the last frost in Frisco, TX?
The median last spring frost in Frisco, TX is March 7. There is still about a 10% chance of frost after March 29, so wait until then to plant frost-tender crops like tomatoes and peppers.
When is the first frost in Frisco, TX?
The median first fall frost is November 21, with about a 10% chance of frost before November 2.
How long is the growing season in Frisco, TX?
About 259 days between the median last spring frost and first fall frost.
What planting zone is Frisco, TX?
Frisco, TX is in USDA hardiness zone 8b.