Frost Dates for Leander, TX 78641
Last spring frost March 5 · First fall frost November 20 · 260 frost-free days · USDA Zone 9a
ZIP 78641 has about 99,900 people, the largest of 2 ZIP codes in Leander.
Very long season: 260 frost-free days. Spring frost risk spans February 9–March 30 (49 days). Fall frost risk spans November 1–December 10 (39 days).
Frost probability for 78641
| Frost | 10% | 50% | 90% |
|---|---|---|---|
| Spring (last frost) | March 30 | March 5 | February 9 |
| Fall (first frost) | November 1 | November 20 | December 10 |
Dates come from NOAA 1971–2000 freeze probabilities at TAYLOR (48.4 km away); the 50% date is the median year.
Frost dates by ZIP code in Leander, TX
| ZIP | Last spring frost (50%) | First fall frost (50%) | Zone |
|---|---|---|---|
| 78641 | March 5 | November 20 | 9a |
| 78645 | March 20 | November 12 | 9a |
Which crops fit a 260-day season in Leander
In Leander (260 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 | Jan 29 | Mar 19–Mar 26 | 218 | fits: 80 days to maturity, 218 available after Mar 19. | Jul 21 |
| Pepper | Jan 22 | Mar 19–Mar 26 | 218 | fits: 75 days to maturity, 218 available after Mar 19. | Jul 26 |
| Lettuce | Jan 8 | Feb 5–Feb 12 | 295 | two-plantings: Plant Feb 5 and again by Sep 29; both mature before Nov 27. | Sep 29 |
| Carrots | — | Feb 12–Feb 19 | 302 | fits: 70 days to maturity, 302 available after Feb 12. | Sep 18 |
| Cucumber | Feb 12 | Mar 19–Mar 26 | 232 | two-plantings: Plant Mar 19 and again by Aug 24; both mature before Nov 6. | Aug 24 |
| Beans | — | Mar 12–Mar 26 | 246 | two-plantings: Plant Mar 12 and again by Aug 31; both mature before Nov 13. | Aug 31 |
| Peas | — | Jan 8–Mar 19 | 323 | fits: 65 days to maturity, 323 available after Jan 8. | Sep 9 |
| Zucchini | Feb 19 | Mar 19–Mar 26 | 232 | two-plantings: Plant Mar 19 and again by Aug 29; both mature before Nov 6. | Aug 29 |
| Onion | Dec 11 | Feb 5–Feb 19 | 295 | fits: 100 days to maturity, 295 available after Feb 5. | — |
| Spinach | — | Jan 8–Feb 26 | 337 | two-plantings: Plant Jan 8 and again by Oct 18; both mature before Dec 11. | Oct 18 |
| Kale | Dec 25 | Feb 5–Feb 19 | 309 | two-plantings: Plant Feb 5 and again by Oct 3; both mature before Dec 11. | Oct 3 |
| Broccoli | Jan 8 | Feb 5–Feb 19 | 295 | fits: 80 days to maturity, 295 available after Feb 5. | Aug 25 |
| Cabbage | Jan 8 | Feb 5–Feb 19 | 309 | fits: 70 days to maturity, 309 available after Feb 5. | Sep 18 |
| Radish | — | Jan 8–Apr 2 | 323 | two-plantings: Plant Jan 8 and again by Oct 19; both mature before Nov 27. | Oct 19 |
| Beets | — | Jan 8–Apr 2 | 323 | two-plantings: Plant Jan 8 and again by Sep 19; both mature before Nov 27. | Sep 19 |
| Potatoes | — | Feb 19–Feb 26 | 281 | fits: 90 days to maturity, 281 available after Feb 19. | — |
| Garlic | — | Nov 20 | 365 | overwinter: Plant Nov 20 to Dec 11; harvest the following summer. | Dec 11 |
| Strawberry | — | Jan 29–Mar 26 | 316 | perennial: A perennial: plant Jan 29; it fruits from the following year and keeps producing for several years. | — |
| Corn | Feb 5 | Mar 12–Mar 19 | 232 | fits: 75 days to maturity, 232 available after Mar 12. | Aug 2 |
| Pumpkin | Feb 19 | Mar 19–Mar 19 | 225 | fits: 100 days to maturity, 225 available after Mar 19. | Jul 8 |
| Cauliflower | Jan 22 | Feb 26–Mar 12 | 274 | fits: 75 days to maturity, 274 available after Feb 26. | Aug 30 |
| Swiss Chard | Jan 8 | Feb 19–Feb 19 | 281 | two-plantings: Plant Feb 19 and again by Sep 19; both mature before Nov 27. | Sep 19 |
| Arugula | — | Jan 8–Apr 2 | 337 | two-plantings: Plant Jan 8 and again by Oct 18; both mature before Dec 11. | Oct 18 |
| Brussel Sprouts | Jan 8 | Feb 5–Feb 19 | 309 | fits: 100 days to maturity, 309 available after Feb 5. | Aug 19 |
| Butternut Squash | Feb 19 | Mar 19–Mar 26 | 225 | fits: 100 days to maturity, 225 available after Mar 19. | Jul 8 |
| Eggplant | Jan 15 | Mar 19–Mar 26 | 218 | fits: 70 days to maturity, 218 available after Mar 19. | Jul 31 |
| Okra | Feb 5 | Mar 12–Mar 19 | 239 | two-plantings: Plant Mar 12 and again by Aug 29; both mature before Nov 6. | Aug 29 |
| Basil | Jan 29 | Mar 26–Mar 26 | 225 | two-plantings: Plant Mar 26 and again by Aug 24; both mature before Nov 6. | Aug 24 |
| Cilantro | — | Feb 5–Feb 26 | 295 | two-plantings: Plant Feb 5 and again by Sep 24; both mature before Nov 27. | Sep 24 |
| Parsley | Dec 25 | Mar 12–Mar 19 | 260 | fits: 70 days to maturity, 260 available after Mar 12. | Sep 4 |
| Celery | Dec 25 | Mar 12–Mar 26 | 260 | fits: 120 days to maturity, 260 available after Mar 12. | Jul 16 |
| Scallions | Dec 25 | Feb 5–Feb 19 | 309 | two-plantings: Plant Feb 5 and again by Sep 28; both mature before Dec 11. | Sep 28 |
| Turnip | — | Feb 5–Feb 19 | 309 | two-plantings: Plant Feb 5 and again by Oct 8; both mature before Dec 11. | Oct 8 |
| Kohlrabi | — | Jan 22–Feb 5 | 323 | two-plantings: Plant Jan 22 and again by Oct 3; both mature before Dec 11. | Oct 3 |
| Bok Choy | Feb 5 | Feb 26–Mar 5 | 274 | two-plantings: Plant Feb 26 and again by Sep 29; both mature before Nov 27. | Sep 29 |
| Collards | Dec 25 | Feb 5–Feb 19 | 309 | two-plantings: Plant Feb 5 and again by Sep 28; both mature before Dec 11. | Sep 28 |
| Cantaloupe | Feb 19 | Mar 19–Mar 26 | 218 | fits: 85 days to maturity, 218 available after Mar 19. | Jul 16 |
| Chives | Dec 11 | Mar 12–Mar 19 | 274 | fits: 90 days to maturity, 274 available after Mar 12. | — |
| Dill | — | Jan 8–Apr 2 | 323 | two-plantings: Plant Jan 8 and again by Sep 19; both mature before Nov 27. | Sep 19 |
| Oregano | Dec 25 | Mar 12–Mar 19 | 274 | fits: 80 days to maturity, 274 available after Mar 12. | — |
| Rosemary | Dec 11 | Mar 12–Mar 19 | 260 | fits: 80 days to maturity, 260 available after Mar 12. | — |
| Sage | Jan 8 | Mar 12–Mar 19 | 274 | fits: 75 days to maturity, 274 available after Mar 12. | — |
| Thyme | Dec 25 | Mar 12–Mar 19 | 274 | fits: 90 days to maturity, 274 available after Mar 12. | — |
| Calendula | Jan 22 | Feb 19–Mar 5 | 281 | two-plantings: Plant Feb 19 and again by Sep 24; both mature before Nov 27. | Sep 24 |
| Cosmos | Feb 5 | Mar 5–Mar 19 | 246 | two-plantings: Plant Mar 5 and again by Aug 24; both mature before Nov 6. | Aug 24 |
| Lavender | Dec 11 | Mar 5–Mar 19 | 281 | fits: 90 days to maturity, 281 available after Mar 5. | — |
| Marigolds | Jan 22 | Mar 5–Mar 12 | 246 | two-plantings: Plant Mar 5 and again by Sep 3; both mature before Nov 6. | Sep 3 |
| Melons | Feb 19 | Mar 19–Mar 26 | 218 | fits: 85 days to maturity, 218 available after Mar 19. | Jul 16 |
| Mint | — | Mar 5–Mar 19 | 281 | fits: 90 days to maturity, 281 available after Mar 5. | — |
| Nasturtiums | Feb 5 | Mar 5–Mar 12 | 246 | two-plantings: Plant Mar 5 and again by Aug 29; both mature before Nov 6. | Aug 29 |
| Pole Beans | — | Mar 12–Mar 26 | 239 | fits: 65 days to maturity, 239 available after Mar 12. | Aug 19 |
| Spaghetti Squash | Feb 19 | Mar 19–Mar 26 | 225 | fits: 90 days to maturity, 225 available after Mar 19. | Jul 18 |
| Sunflowers | — | Mar 5–Mar 19 | 246 | fits: 70 days to maturity, 246 available after Mar 5. | Aug 14 |
| Tomatillos | Jan 8 | Mar 12–Mar 19 | 225 | fits: 75 days to maturity, 225 available after Mar 12. | Jul 26 |
| Watermelon | Feb 19 | Mar 12–Mar 19 | 225 | fits: 80 days to maturity, 225 available after Mar 12. | Jul 21 |
| Yellow Squash | Feb 19 | Mar 19–Mar 26 | 232 | two-plantings: Plant Mar 19 and again by Aug 29; both mature before Nov 6. | Aug 29 |
| Zinnias | Feb 5 | Mar 5–Mar 19 | 246 | two-plantings: Plant Mar 5 and again by Aug 24; both mature before Nov 6. | Aug 24 |
Month by month in Leander
| Month | What to do |
|---|---|
| January | Start indoors: Broccoli (Jan 8), Brussel Sprouts (Jan 8), Cabbage (Jan 8), Lettuce (Jan 8), Sage (Jan 8), Swiss Chard (Jan 8), +8 more. Direct sow from: Arugula (Jan 8), Beets (Jan 8), Dill (Jan 8), Peas (Jan 8), Radish (Jan 8), Spinach (Jan 8), +1 more. Plant: Strawberry (Jan 29). |
| February | Start indoors: Bok Choy (Feb 5), Corn (Feb 5), Cosmos (Feb 5), Nasturtiums (Feb 5), Okra (Feb 5), Zinnias (Feb 5), +9 more. Direct sow from: Cilantro (Feb 5), Turnip (Feb 5), Carrots (Feb 12), Potatoes (Feb 19). Transplant from: Broccoli (Feb 5), Brussel Sprouts (Feb 5), Cabbage (Feb 5), Collards (Feb 5), Kale (Feb 5), Lettuce (Feb 5), +6 more. |
| March | Direct sow from: Sunflowers (Mar 5), Beans (Mar 12), Pole Beans (Mar 12). Transplant from: Cosmos (Mar 5), Lavender (Mar 5), Marigolds (Mar 5), Mint (Mar 5), Nasturtiums (Mar 5), Zinnias (Mar 5), +23 more. Last frost around March 5. |
| April | Frost has passed. Transplant tomatoes, peppers, and basil outdoors. Direct sow beans, cucumbers, squash, and zucchini. |
| 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 8), Pumpkin (Jul 8), Cantaloupe (Jul 16), Celery (Jul 16), Melons (Jul 16), Spaghetti Squash (Jul 18), +5 more. |
| August | Last sowing dates: Corn (Aug 2), Sunflowers (Aug 14), Brussel Sprouts (Aug 19), Pole Beans (Aug 19), Basil (Aug 24), Cosmos (Aug 24), +9 more. |
| September | Last sowing dates: Marigolds (Sep 3), Parsley (Sep 4), Peas (Sep 9), Cabbage (Sep 18), Carrots (Sep 18), Beets (Sep 19), +8 more. |
| October | Last sowing dates: Kale (Oct 3), Kohlrabi (Oct 3), Turnip (Oct 8), Arugula (Oct 18), Spinach (Oct 18), Radish (Oct 19). |
| November | Direct sow from: Garlic (Nov 20). First frost around November 20. |
| December | Start indoors: Chives (Dec 11), Lavender (Dec 11), Onion (Dec 11), Rosemary (Dec 11), Celery (Dec 25), Collards (Dec 25), +5 more. Last sowing dates: Garlic (Dec 11). |
Frequently Asked Questions
What is the last frost date for Leander, TX (ZIP 78641)?
The median last spring frost date for Leander, TX (ZIP code 78641) is around March 5. 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 9; one in ten it runs past March 30.
What is the first fall frost date in Leander, TX?
The median first fall frost date for Leander, TX is around November 20. 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 November 1 in the earliest one-in-ten years, so cover tomatoes and peppers from then.
How long is the growing season in Leander, TX?
The frost-free growing season in Leander is about 260 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 Leander (260 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 Leander, TX?
Leander, TX is in USDA hardiness zone 9a (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 Leander, TX?
Start tomatoes indoors Jan 29 and plant out Mar 19 in Leander. The planner uses the local median last frost and this crop's indoor-start and transplant offsets.
How many plantings of lettuce fit in Leander?
Two: plant Feb 5 and again by Sep 29; both mature before Nov 27.
When do I plant garlic in Leander?
Nov 20 to Dec 11; it overwinters and is ready the following summer.
Can I get two tomato crops in Leander?
Yes: plant out Mar 19 for a summer crop, and set out a second round of transplants by Jul 21 for a fall crop.
Which nearby ZIP has a longer season?
Cedar Park (ZIP 78613) has 277 frost-free days, 17 more than Leander (ZIP 78641). See Cedar Park ZIP 78613 frost dates
Nearby and related
- Frost dates for Cedar Park, TX 78613 (6.7 mi)
- Frost dates for Liberty Hill, TX 78642 (9.5 mi)
- Frost dates for Georgetown, TX 78628 (11.5 mi)
- Frost dates for Austin, TX 78750 (11.8 mi)
- Frost dates for Spicewood, TX 78669 (15.4 mi)
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