Frost Dates for Tracy, CA 95391
Tracy has 4 ZIP codes. The Tracy, CA frost page lists all of them with their dates.
Last spring frost February 16 · First fall frost December 1 · 288 frost-free days · USDA Zone 9b
ZIP 95391 has about 25,600 people, one of 4 ZIP codes in Tracy.
Very long season: 288 frost-free days. Spring frost risk spans January 18–March 19 (60 days). Fall frost risk spans November 3–December 28 (55 days).
Frost probability for 95391
| Frost | 10% | 50% | 90% |
|---|---|---|---|
| Spring (last frost) | March 19 | February 16 | January 18 |
| Fall (first frost) | November 3 | December 1 | December 28 |
Dates come from NOAA 1971–2000 freeze probabilities at TRACY CARBONA (23.6 km away); the 50% date is the median year.
Which crops fit a 288-day season in Tracy
In Tracy (288 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 12 | Mar 2–Mar 9 | 246 | fits: 80 days to maturity, 246 available after Mar 2. | Aug 1 |
| Pepper | Jan 5 | Mar 2–Mar 9 | 246 | fits: 75 days to maturity, 246 available after Mar 2. | Aug 6 |
| Lettuce | Dec 22 | Jan 19–Jan 26 | 323 | two-plantings: Plant Jan 19 and again by Oct 10; both mature before Dec 8. | Oct 10 |
| Carrots | — | Jan 26–Feb 2 | 330 | fits: 70 days to maturity, 330 available after Jan 26. | Sep 29 |
| Cucumber | Jan 26 | Mar 2–Mar 9 | 260 | two-plantings: Plant Mar 2 and again by Sep 4; both mature before Nov 17. | Sep 4 |
| Beans | — | Feb 23–Mar 9 | 274 | two-plantings: Plant Feb 23 and again by Sep 11; both mature before Nov 24. | Sep 11 |
| Peas | — | Dec 22–Mar 2 | 351 | fits: 65 days to maturity, 351 available after Dec 22. | Sep 20 |
| Zucchini | Feb 2 | Mar 2–Mar 9 | 260 | two-plantings: Plant Mar 2 and again by Sep 9; both mature before Nov 17. | Sep 9 |
| Onion | Nov 24 | Jan 19–Feb 2 | 323 | fits: 100 days to maturity, 323 available after Jan 19. | — |
| Spinach | — | Dec 22–Feb 9 | 365 | two-plantings: Plant Dec 22 and again by Oct 29; both mature before Dec 22. | Oct 29 |
| Kale | Dec 8 | Jan 19–Feb 2 | 337 | two-plantings: Plant Jan 19 and again by Oct 14; both mature before Dec 22. | Oct 14 |
| Broccoli | Dec 22 | Jan 19–Feb 2 | 323 | fits: 80 days to maturity, 323 available after Jan 19. | Sep 5 |
| Cabbage | Dec 22 | Jan 19–Feb 2 | 337 | fits: 70 days to maturity, 337 available after Jan 19. | Sep 29 |
| Radish | — | Dec 22–Mar 16 | 351 | two-plantings: Plant Dec 22 and again by Oct 30; both mature before Dec 8. | Oct 30 |
| Beets | — | Dec 22–Mar 16 | 351 | two-plantings: Plant Dec 22 and again by Sep 30; both mature before Dec 8. | Sep 30 |
| Potatoes | — | Feb 2–Feb 9 | 309 | fits: 90 days to maturity, 309 available after Feb 2. | — |
| Garlic | — | Dec 1 | 393 | overwinter: Plant Dec 1 to Dec 22; harvest the following summer. | Dec 22 |
| Strawberry | — | Jan 12–Mar 9 | 344 | perennial: A perennial: plant Jan 12; it fruits from the following year and keeps producing for several years. | — |
| Corn | Jan 19 | Feb 23–Mar 2 | 260 | fits: 75 days to maturity, 260 available after Feb 23. | Aug 13 |
| Pumpkin | Feb 2 | Mar 2–Mar 2 | 253 | fits: 100 days to maturity, 253 available after Mar 2. | Jul 19 |
| Cauliflower | Jan 5 | Feb 9–Feb 23 | 302 | fits: 75 days to maturity, 302 available after Feb 9. | Sep 10 |
| Swiss Chard | Dec 22 | Feb 2–Feb 2 | 309 | two-plantings: Plant Feb 2 and again by Sep 30; both mature before Dec 8. | Sep 30 |
| Arugula | — | Dec 22–Mar 16 | 365 | two-plantings: Plant Dec 22 and again by Oct 29; both mature before Dec 22. | Oct 29 |
| Brussel Sprouts | Dec 22 | Jan 19–Feb 2 | 337 | fits: 100 days to maturity, 337 available after Jan 19. | Aug 30 |
| Butternut Squash | Feb 2 | Mar 2–Mar 9 | 253 | fits: 100 days to maturity, 253 available after Mar 2. | Jul 19 |
| Eggplant | Dec 29 | Mar 2–Mar 9 | 246 | fits: 70 days to maturity, 246 available after Mar 2. | Aug 11 |
| Okra | Jan 19 | Feb 23–Mar 2 | 267 | two-plantings: Plant Feb 23 and again by Sep 9; both mature before Nov 17. | Sep 9 |
| Basil | Jan 12 | Mar 9–Mar 9 | 253 | two-plantings: Plant Mar 9 and again by Sep 4; both mature before Nov 17. | Sep 4 |
| Cilantro | — | Jan 19–Feb 9 | 323 | two-plantings: Plant Jan 19 and again by Oct 5; both mature before Dec 8. | Oct 5 |
| Parsley | Dec 8 | Feb 23–Mar 2 | 288 | fits: 70 days to maturity, 288 available after Feb 23. | Sep 15 |
| Celery | Dec 8 | Feb 23–Mar 9 | 288 | fits: 120 days to maturity, 288 available after Feb 23. | Jul 27 |
| Scallions | Dec 8 | Jan 19–Feb 2 | 337 | two-plantings: Plant Jan 19 and again by Oct 9; both mature before Dec 22. | Oct 9 |
| Turnip | — | Jan 19–Feb 2 | 337 | two-plantings: Plant Jan 19 and again by Oct 19; both mature before Dec 22. | Oct 19 |
| Kohlrabi | — | Jan 5–Jan 19 | 351 | two-plantings: Plant Jan 5 and again by Oct 14; both mature before Dec 22. | Oct 14 |
| Bok Choy | Jan 19 | Feb 9–Feb 16 | 302 | two-plantings: Plant Feb 9 and again by Oct 10; both mature before Dec 8. | Oct 10 |
| Collards | Dec 8 | Jan 19–Feb 2 | 337 | two-plantings: Plant Jan 19 and again by Oct 9; both mature before Dec 22. | Oct 9 |
| Cantaloupe | Feb 2 | Mar 2–Mar 9 | 246 | fits: 85 days to maturity, 246 available after Mar 2. | Jul 27 |
| Chives | Nov 24 | Feb 23–Mar 2 | 302 | fits: 90 days to maturity, 302 available after Feb 23. | — |
| Dill | — | Dec 22–Mar 16 | 351 | two-plantings: Plant Dec 22 and again by Sep 30; both mature before Dec 8. | Sep 30 |
| Oregano | Dec 8 | Feb 23–Mar 2 | 302 | fits: 80 days to maturity, 302 available after Feb 23. | — |
| Rosemary | Nov 24 | Feb 23–Mar 2 | 288 | fits: 80 days to maturity, 288 available after Feb 23. | — |
| Sage | Dec 22 | Feb 23–Mar 2 | 302 | fits: 75 days to maturity, 302 available after Feb 23. | — |
| Thyme | Dec 8 | Feb 23–Mar 2 | 302 | fits: 90 days to maturity, 302 available after Feb 23. | — |
| Calendula | Jan 5 | Feb 2–Feb 16 | 309 | two-plantings: Plant Feb 2 and again by Oct 5; both mature before Dec 8. | Oct 5 |
| Cosmos | Jan 19 | Feb 16–Mar 2 | 274 | two-plantings: Plant Feb 16 and again by Sep 4; both mature before Nov 17. | Sep 4 |
| Lavender | Nov 24 | Feb 16–Mar 2 | 309 | fits: 90 days to maturity, 309 available after Feb 16. | — |
| Marigolds | Jan 5 | Feb 16–Feb 23 | 274 | two-plantings: Plant Feb 16 and again by Sep 14; both mature before Nov 17. | Sep 14 |
| Melons | Feb 2 | Mar 2–Mar 9 | 246 | fits: 85 days to maturity, 246 available after Mar 2. | Jul 27 |
| Mint | — | Feb 16–Mar 2 | 309 | fits: 90 days to maturity, 309 available after Feb 16. | — |
| Nasturtiums | Jan 19 | Feb 16–Feb 23 | 274 | two-plantings: Plant Feb 16 and again by Sep 9; both mature before Nov 17. | Sep 9 |
| Pole Beans | — | Feb 23–Mar 9 | 267 | fits: 65 days to maturity, 267 available after Feb 23. | Aug 30 |
| Spaghetti Squash | Feb 2 | Mar 2–Mar 9 | 253 | fits: 90 days to maturity, 253 available after Mar 2. | Jul 29 |
| Sunflowers | — | Feb 16–Mar 2 | 274 | fits: 70 days to maturity, 274 available after Feb 16. | Aug 25 |
| Tomatillos | Dec 22 | Feb 23–Mar 2 | 253 | fits: 75 days to maturity, 253 available after Feb 23. | Aug 6 |
| Watermelon | Feb 2 | Feb 23–Mar 2 | 253 | fits: 80 days to maturity, 253 available after Feb 23. | Aug 1 |
| Yellow Squash | Feb 2 | Mar 2–Mar 9 | 260 | two-plantings: Plant Mar 2 and again by Sep 9; both mature before Nov 17. | Sep 9 |
| Zinnias | Jan 19 | Feb 16–Mar 2 | 274 | two-plantings: Plant Feb 16 and again by Sep 4; both mature before Nov 17. | Sep 4 |
Month by month in Tracy
| Month | What to do |
|---|---|
| January | Start indoors: Calendula (Jan 5), Cauliflower (Jan 5), Marigolds (Jan 5), Pepper (Jan 5), Basil (Jan 12), Tomato (Jan 12), +7 more. Direct sow from: Kohlrabi (Jan 5), Cilantro (Jan 19), Turnip (Jan 19), Carrots (Jan 26). Transplant from: Broccoli (Jan 19), Brussel Sprouts (Jan 19), Cabbage (Jan 19), Collards (Jan 19), Kale (Jan 19), Lettuce (Jan 19), +2 more. Plant: Strawberry (Jan 12). |
| February | Start indoors: Butternut Squash (Feb 2), Cantaloupe (Feb 2), Melons (Feb 2), Pumpkin (Feb 2), Spaghetti Squash (Feb 2), Watermelon (Feb 2), +2 more. Direct sow from: Potatoes (Feb 2), Sunflowers (Feb 16), Beans (Feb 23), Pole Beans (Feb 23). Transplant from: Calendula (Feb 2), Swiss Chard (Feb 2), Bok Choy (Feb 9), Cauliflower (Feb 9), Cosmos (Feb 16), Lavender (Feb 16), +15 more. Last frost around February 16. |
| March | Transplant from: Butternut Squash (Mar 2), Cantaloupe (Mar 2), Cucumber (Mar 2), Eggplant (Mar 2), Melons (Mar 2), Pepper (Mar 2), +6 more. |
| April | Succession plant lettuce and greens. Keep beds weeded and watered consistently. |
| May | Harvest regularly to encourage production. Monitor for pests and disease. |
| June | Midsummer: harvest beans, zucchini, cucumbers. Start brassica seeds indoors for fall. |
| July | Last sowing dates: Butternut Squash (Jul 19), Pumpkin (Jul 19), Cantaloupe (Jul 27), Celery (Jul 27), Melons (Jul 27), Spaghetti Squash (Jul 29). |
| August | Last sowing dates: Tomato (Aug 1), Watermelon (Aug 1), Pepper (Aug 6), Tomatillos (Aug 6), Eggplant (Aug 11), Corn (Aug 13), +3 more. |
| September | Last sowing dates: Basil (Sep 4), Cosmos (Sep 4), Cucumber (Sep 4), Zinnias (Sep 4), Broccoli (Sep 5), Nasturtiums (Sep 9), +13 more. |
| October | Last sowing dates: Calendula (Oct 5), Cilantro (Oct 5), Collards (Oct 9), Scallions (Oct 9), Bok Choy (Oct 10), Lettuce (Oct 10), +6 more. |
| November | Start indoors: Chives (Nov 24), Lavender (Nov 24), Onion (Nov 24), Rosemary (Nov 24). |
| December | Start indoors: Celery (Dec 8), Collards (Dec 8), Kale (Dec 8), Oregano (Dec 8), Parsley (Dec 8), Scallions (Dec 8), +9 more. Direct sow from: Garlic (Dec 1), Arugula (Dec 22), Beets (Dec 22), Dill (Dec 22), Peas (Dec 22), Radish (Dec 22), +1 more. First frost around December 1. Last sowing dates: Garlic (Dec 22). |
Frequently Asked Questions
What is the last frost date for Tracy, CA (ZIP 95391)?
The median last spring frost date for Tracy, CA (ZIP code 95391) is around February 16. 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 January 18; one in ten it runs past March 19.
What is the first fall frost date in Tracy, CA?
The median first fall frost date for Tracy, CA is around December 1. 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 3 in the earliest one-in-ten years, so cover tomatoes and peppers from then.
How long is the growing season in Tracy, CA?
The frost-free growing season in Tracy is about 288 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 Tracy (288 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 Tracy, CA?
Tracy, CA is in USDA hardiness zone 9b (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 Tracy, CA?
Start tomatoes indoors Jan 12 and plant out Mar 2 in Tracy. The planner uses the local median last frost and this crop's indoor-start and transplant offsets.
How many plantings of lettuce fit in Tracy?
Two: plant Jan 19 and again by Oct 10; both mature before Dec 8.
When do I plant garlic in Tracy?
Dec 1 to Dec 22; it overwinters and is ready the following summer.
Can I get two tomato crops in Tracy?
Yes: plant out Mar 2 for a summer crop, and set out a second round of transplants by Aug 1 for a fall crop.
Which nearby ZIP has a longer season?
Discovery Bay (ZIP 94505) has 298 frost-free days, 10 more than Tracy (ZIP 95391). See Discovery Bay ZIP 94505 frost dates
Nearby and related
- Frost dates for Discovery Bay, CA 94505 (6.7 mi)
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