Frost Dates for Richardson, TX 75081
Richardson has 3 ZIP codes. The Richardson, TX frost page lists all of them with their dates.
Last spring frost March 15 · First fall frost November 14 · 244 frost-free days · USDA Zone 8b
ZIP 75081 has about 36,500 people, one of 3 ZIP codes in Richardson.
Very long season: 244 frost-free days. Spring frost risk spans February 22–April 4 (41 days). Fall frost risk spans October 27–December 7 (41 days).
Frost probability for 75081
| Frost | 10% | 50% | 90% |
|---|---|---|---|
| Spring (last frost) | April 4 | March 15 | February 22 |
| Fall (first frost) | October 27 | November 14 | December 7 |
Dates come from NOAA 1971–2000 freeze probabilities at LAVON DAM (22.9 km away); the 50% date is the median year.
Which crops fit a 244-day season in Richardson
In Richardson (244 frost-free days, a very long season), 30 of 56 planner crops fit outright, 25 get two plantings, 1 crop is perennial.
| Crop | Start indoors | Plant out / sow | Days you have | Verdict | Last sow date |
|---|---|---|---|---|---|
| Tomato | Feb 8 | Mar 29–Apr 5 | 202 | fits: 80 days to maturity, 202 available after Mar 29. | Jul 15 |
| Pepper | Feb 1 | Mar 29–Apr 5 | 202 | fits: 75 days to maturity, 202 available after Mar 29. | Jul 20 |
| Lettuce | Jan 18 | Feb 15–Feb 22 | 279 | two-plantings: Plant Feb 15 and again by Sep 23; both mature before Nov 21. | Sep 23 |
| Carrots | — | Feb 22–Mar 1 | 286 | fits: 70 days to maturity, 286 available after Feb 22. | Sep 12 |
| Cucumber | Feb 22 | Mar 29–Apr 5 | 216 | two-plantings: Plant Mar 29 and again by Aug 18; both mature before Oct 31. | Aug 18 |
| Beans | — | Mar 22–Apr 5 | 230 | two-plantings: Plant Mar 22 and again by Aug 25; both mature before Nov 7. | Aug 25 |
| Peas | — | Jan 18–Mar 29 | 307 | fits: 65 days to maturity, 307 available after Jan 18. | Sep 3 |
| Zucchini | Mar 1 | Mar 29–Apr 5 | 216 | two-plantings: Plant Mar 29 and again by Aug 23; both mature before Oct 31. | Aug 23 |
| Onion | Dec 21 | Feb 15–Mar 1 | 279 | fits: 100 days to maturity, 279 available after Feb 15. | — |
| Spinach | — | Jan 18–Mar 8 | 321 | two-plantings: Plant Jan 18 and again by Oct 12; both mature before Dec 5. | Oct 12 |
| Kale | Jan 4 | Feb 15–Mar 1 | 293 | two-plantings: Plant Feb 15 and again by Sep 27; both mature before Dec 5. | Sep 27 |
| Broccoli | Jan 18 | Feb 15–Mar 1 | 279 | fits: 80 days to maturity, 279 available after Feb 15. | Aug 19 |
| Cabbage | Jan 18 | Feb 15–Mar 1 | 293 | fits: 70 days to maturity, 293 available after Feb 15. | Sep 12 |
| Radish | — | Jan 18–Apr 12 | 307 | two-plantings: Plant Jan 18 and again by Oct 13; both mature before Nov 21. | Oct 13 |
| Beets | — | Jan 18–Apr 12 | 307 | two-plantings: Plant Jan 18 and again by Sep 13; both mature before Nov 21. | Sep 13 |
| Potatoes | — | Mar 1–Mar 8 | 265 | fits: 90 days to maturity, 265 available after Mar 1. | — |
| Garlic | — | Nov 14 | 349 | overwinter: Plant Nov 14 to Dec 5; harvest the following summer. | Dec 5 |
| Strawberry | — | Feb 8–Apr 5 | 300 | perennial: A perennial: plant Feb 8; it fruits from the following year and keeps producing for several years. | — |
| Corn | Feb 15 | Mar 22–Mar 29 | 216 | fits: 75 days to maturity, 216 available after Mar 22. | Jul 27 |
| Pumpkin | Mar 1 | Mar 29–Mar 29 | 209 | fits: 100 days to maturity, 209 available after Mar 29. | Jul 2 |
| Cauliflower | Feb 1 | Mar 8–Mar 22 | 258 | fits: 75 days to maturity, 258 available after Mar 8. | Aug 24 |
| Swiss Chard | Jan 18 | Mar 1–Mar 1 | 265 | two-plantings: Plant Mar 1 and again by Sep 13; both mature before Nov 21. | Sep 13 |
| Arugula | — | Jan 18–Apr 12 | 321 | two-plantings: Plant Jan 18 and again by Oct 12; both mature before Dec 5. | Oct 12 |
| Brussel Sprouts | Jan 18 | Feb 15–Mar 1 | 293 | fits: 100 days to maturity, 293 available after Feb 15. | Aug 13 |
| Butternut Squash | Mar 1 | Mar 29–Apr 5 | 209 | fits: 100 days to maturity, 209 available after Mar 29. | Jul 2 |
| Eggplant | Jan 25 | Mar 29–Apr 5 | 202 | fits: 70 days to maturity, 202 available after Mar 29. | Jul 25 |
| Okra | Feb 15 | Mar 22–Mar 29 | 223 | two-plantings: Plant Mar 22 and again by Aug 23; both mature before Oct 31. | Aug 23 |
| Basil | Feb 8 | Apr 5–Apr 5 | 209 | two-plantings: Plant Apr 5 and again by Aug 18; both mature before Oct 31. | Aug 18 |
| Cilantro | — | Feb 15–Mar 8 | 279 | two-plantings: Plant Feb 15 and again by Sep 18; both mature before Nov 21. | Sep 18 |
| Parsley | Jan 4 | Mar 22–Mar 29 | 244 | fits: 70 days to maturity, 244 available after Mar 22. | Aug 29 |
| Celery | Jan 4 | Mar 22–Apr 5 | 244 | fits: 120 days to maturity, 244 available after Mar 22. | Jul 10 |
| Scallions | Jan 4 | Feb 15–Mar 1 | 293 | two-plantings: Plant Feb 15 and again by Sep 22; both mature before Dec 5. | Sep 22 |
| Turnip | — | Feb 15–Mar 1 | 293 | two-plantings: Plant Feb 15 and again by Oct 2; both mature before Dec 5. | Oct 2 |
| Kohlrabi | — | Feb 1–Feb 15 | 307 | two-plantings: Plant Feb 1 and again by Sep 27; both mature before Dec 5. | Sep 27 |
| Bok Choy | Feb 15 | Mar 8–Mar 15 | 258 | two-plantings: Plant Mar 8 and again by Sep 23; both mature before Nov 21. | Sep 23 |
| Collards | Jan 4 | Feb 15–Mar 1 | 293 | two-plantings: Plant Feb 15 and again by Sep 22; both mature before Dec 5. | Sep 22 |
| Cantaloupe | Mar 1 | Mar 29–Apr 5 | 202 | fits: 85 days to maturity, 202 available after Mar 29. | Jul 10 |
| Chives | Dec 21 | Mar 22–Mar 29 | 258 | fits: 90 days to maturity, 258 available after Mar 22. | — |
| Dill | — | Jan 18–Apr 12 | 307 | two-plantings: Plant Jan 18 and again by Sep 13; both mature before Nov 21. | Sep 13 |
| Oregano | Jan 4 | Mar 22–Mar 29 | 258 | fits: 80 days to maturity, 258 available after Mar 22. | — |
| Rosemary | Dec 21 | Mar 22–Mar 29 | 244 | fits: 80 days to maturity, 244 available after Mar 22. | — |
| Sage | Jan 18 | Mar 22–Mar 29 | 258 | fits: 75 days to maturity, 258 available after Mar 22. | — |
| Thyme | Jan 4 | Mar 22–Mar 29 | 258 | fits: 90 days to maturity, 258 available after Mar 22. | — |
| Calendula | Feb 1 | Mar 1–Mar 15 | 265 | two-plantings: Plant Mar 1 and again by Sep 18; both mature before Nov 21. | Sep 18 |
| Cosmos | Feb 15 | Mar 15–Mar 29 | 230 | two-plantings: Plant Mar 15 and again by Aug 18; both mature before Oct 31. | Aug 18 |
| Lavender | Dec 21 | Mar 15–Mar 29 | 265 | fits: 90 days to maturity, 265 available after Mar 15. | — |
| Marigolds | Feb 1 | Mar 15–Mar 22 | 230 | two-plantings: Plant Mar 15 and again by Aug 28; both mature before Oct 31. | Aug 28 |
| Melons | Mar 1 | Mar 29–Apr 5 | 202 | fits: 85 days to maturity, 202 available after Mar 29. | Jul 10 |
| Mint | — | Mar 15–Mar 29 | 265 | fits: 90 days to maturity, 265 available after Mar 15. | — |
| Nasturtiums | Feb 15 | Mar 15–Mar 22 | 230 | two-plantings: Plant Mar 15 and again by Aug 23; both mature before Oct 31. | Aug 23 |
| Pole Beans | — | Mar 22–Apr 5 | 223 | fits: 65 days to maturity, 223 available after Mar 22. | Aug 13 |
| Spaghetti Squash | Mar 1 | Mar 29–Apr 5 | 209 | fits: 90 days to maturity, 209 available after Mar 29. | Jul 12 |
| Sunflowers | — | Mar 15–Mar 29 | 230 | fits: 70 days to maturity, 230 available after Mar 15. | Aug 8 |
| Tomatillos | Jan 18 | Mar 22–Mar 29 | 209 | fits: 75 days to maturity, 209 available after Mar 22. | Jul 20 |
| Watermelon | Mar 1 | Mar 22–Mar 29 | 209 | fits: 80 days to maturity, 209 available after Mar 22. | Jul 15 |
| Yellow Squash | Mar 1 | Mar 29–Apr 5 | 216 | two-plantings: Plant Mar 29 and again by Aug 23; both mature before Oct 31. | Aug 23 |
| Zinnias | Feb 15 | Mar 15–Mar 29 | 230 | two-plantings: Plant Mar 15 and again by Aug 18; both mature before Oct 31. | Aug 18 |
Month by month in Richardson
| Month | What to do |
|---|---|
| January | Start indoors: Celery (Jan 4), Collards (Jan 4), Kale (Jan 4), Oregano (Jan 4), Parsley (Jan 4), Scallions (Jan 4), +9 more. Direct sow from: Arugula (Jan 18), Beets (Jan 18), Dill (Jan 18), Peas (Jan 18), Radish (Jan 18), Spinach (Jan 18). |
| February | Start indoors: Calendula (Feb 1), Cauliflower (Feb 1), Marigolds (Feb 1), Pepper (Feb 1), Basil (Feb 8), Tomato (Feb 8), +7 more. Direct sow from: Kohlrabi (Feb 1), Cilantro (Feb 15), Turnip (Feb 15), Carrots (Feb 22). Transplant from: Broccoli (Feb 15), Brussel Sprouts (Feb 15), Cabbage (Feb 15), Collards (Feb 15), Kale (Feb 15), Lettuce (Feb 15), +2 more. Plant: Strawberry (Feb 8). |
| March | Start indoors: Butternut Squash (Mar 1), Cantaloupe (Mar 1), Melons (Mar 1), Pumpkin (Mar 1), Spaghetti Squash (Mar 1), Watermelon (Mar 1), +2 more. Direct sow from: Potatoes (Mar 1), Sunflowers (Mar 15), Beans (Mar 22), Pole Beans (Mar 22). Transplant from: Calendula (Mar 1), Swiss Chard (Mar 1), Bok Choy (Mar 8), Cauliflower (Mar 8), Cosmos (Mar 15), Lavender (Mar 15), +26 more. Last frost around March 15. |
| April | Transplant from: Basil (Apr 5). |
| May | Succession plant lettuce and greens. Keep beds weeded and watered consistently. |
| June | Harvest regularly to encourage production. Monitor for pests and disease. |
| July | Last sowing dates: Butternut Squash (Jul 2), Pumpkin (Jul 2), Cantaloupe (Jul 10), Celery (Jul 10), Melons (Jul 10), Spaghetti Squash (Jul 12), +6 more. |
| August | Last sowing dates: Sunflowers (Aug 8), Brussel Sprouts (Aug 13), Pole Beans (Aug 13), Basil (Aug 18), Cosmos (Aug 18), Cucumber (Aug 18), +10 more. |
| September | Last sowing dates: Peas (Sep 3), Cabbage (Sep 12), Carrots (Sep 12), Beets (Sep 13), Dill (Sep 13), Swiss Chard (Sep 13), +8 more. |
| October | Last sowing dates: Turnip (Oct 2), Arugula (Oct 12), Spinach (Oct 12), Radish (Oct 13). |
| November | Direct sow from: Garlic (Nov 14). First frost around November 14. |
| December | Start indoors: Chives (Dec 21), Lavender (Dec 21), Onion (Dec 21), Rosemary (Dec 21). Last sowing dates: Garlic (Dec 5). |
Frequently Asked Questions
What is the last frost date for Richardson, TX (ZIP 75081)?
The median last spring frost date for Richardson, TX (ZIP code 75081) is around March 15. This is the 50th-percentile date — meaning half of all years see frost end before this date. Use the 10% and 90% dates to understand the full range of risk in your area. One year in ten frost ends before February 22; one in ten it runs past April 4.
What is the first fall frost date in Richardson, TX?
The median first fall frost date for Richardson, TX is around November 14. Plan to harvest or protect frost-sensitive crops like tomatoes and peppers at least a week before this date to avoid losses. The first frost arrives around October 27 in the earliest one-in-ten years, so cover tomatoes and peppers from then.
How long is the growing season in Richardson, TX?
The frost-free growing season in Richardson is about 244 days. This window — from your last spring frost to your first fall frost — is when warm-season vegetables thrive. Cold-hardy crops like kale, spinach, and peas can extend your season by weeks on either side. In Richardson (244 frost-free days, a very long season), 30 of 56 planner crops fit outright, 25 get two plantings, 1 crop is perennial.
What USDA hardiness zone is Richardson, TX?
Richardson, TX is in USDA hardiness zone 8b (2023 USDA Plant Hardiness Zone Map). Zones come from the average coldest winter temperature, so they tell you which perennials survive the winter; the frost dates on this page tell you when to plant.
When should I start tomatoes indoors in Richardson, TX?
Start tomatoes indoors Feb 8 and plant out Mar 29 in Richardson. The planner uses the local median last frost and this crop's indoor-start and transplant offsets.
How many plantings of lettuce fit in Richardson?
Two: plant Feb 15 and again by Sep 23; both mature before Nov 21.
When do I plant garlic in Richardson?
Nov 14 to Dec 5; it overwinters and is ready the following summer.
Can I get two tomato crops in Richardson?
Yes: plant out Mar 29 for a summer crop, and set out a second round of transplants by Jul 15 for a fall crop.
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