Frost Dates for Livermore, CA 94551
Livermore has 2 ZIP codes. The Livermore, CA frost page lists all of them with their dates.
Last spring frost February 27 · First fall frost December 3 · 279 frost-free days · USDA Zone 9b
ZIP 94551 has about 37,900 people, one of 2 ZIP codes in Livermore.
Very long season: 279 frost-free days. Spring frost risk spans January 22–April 7 (75 days). Fall frost risk spans November 11–December 23 (42 days).
Frost probability for 94551
| Frost | 10% | 50% | 90% |
|---|---|---|---|
| Spring (last frost) | April 7 | February 27 | January 22 |
| Fall (first frost) | November 11 | December 3 | December 23 |
Dates come from NOAA 1971–2000 freeze probabilities at LIVERMORE (8.6 km away); the 50% date is the median year.
Which crops fit a 279-day season in Livermore
In Livermore (279 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 23 | Mar 13–Mar 20 | 237 | fits: 80 days to maturity, 237 available after Mar 13. | Aug 3 |
| Pepper | Jan 16 | Mar 13–Mar 20 | 237 | fits: 75 days to maturity, 237 available after Mar 13. | Aug 8 |
| Lettuce | Jan 2 | Jan 30–Feb 6 | 314 | two-plantings: Plant Jan 30 and again by Oct 12; both mature before Dec 10. | Oct 12 |
| Carrots | — | Feb 6–Feb 13 | 321 | fits: 70 days to maturity, 321 available after Feb 6. | Oct 1 |
| Cucumber | Feb 6 | Mar 13–Mar 20 | 251 | two-plantings: Plant Mar 13 and again by Sep 6; both mature before Nov 19. | Sep 6 |
| Beans | — | Mar 6–Mar 20 | 265 | two-plantings: Plant Mar 6 and again by Sep 13; both mature before Nov 26. | Sep 13 |
| Peas | — | Jan 2–Mar 13 | 342 | fits: 65 days to maturity, 342 available after Jan 2. | Sep 22 |
| Zucchini | Feb 13 | Mar 13–Mar 20 | 251 | two-plantings: Plant Mar 13 and again by Sep 11; both mature before Nov 19. | Sep 11 |
| Onion | Dec 5 | Jan 30–Feb 13 | 314 | fits: 100 days to maturity, 314 available after Jan 30. | — |
| Spinach | — | Jan 2–Feb 20 | 356 | two-plantings: Plant Jan 2 and again by Oct 31; both mature before Dec 24. | Oct 31 |
| Kale | Dec 19 | Jan 30–Feb 13 | 328 | two-plantings: Plant Jan 30 and again by Oct 16; both mature before Dec 24. | Oct 16 |
| Broccoli | Jan 2 | Jan 30–Feb 13 | 314 | fits: 80 days to maturity, 314 available after Jan 30. | Sep 7 |
| Cabbage | Jan 2 | Jan 30–Feb 13 | 328 | fits: 70 days to maturity, 328 available after Jan 30. | Oct 1 |
| Radish | — | Jan 2–Mar 27 | 342 | two-plantings: Plant Jan 2 and again by Nov 1; both mature before Dec 10. | Nov 1 |
| Beets | — | Jan 2–Mar 27 | 342 | two-plantings: Plant Jan 2 and again by Oct 2; both mature before Dec 10. | Oct 2 |
| Potatoes | — | Feb 13–Feb 20 | 300 | fits: 90 days to maturity, 300 available after Feb 13. | — |
| Garlic | — | Dec 3 | 384 | overwinter: Plant Dec 3 to Dec 24; harvest the following summer. | Dec 24 |
| Strawberry | — | Jan 23–Mar 20 | 335 | perennial: A perennial: plant Jan 23; it fruits from the following year and keeps producing for several years. | — |
| Corn | Jan 30 | Mar 6–Mar 13 | 251 | fits: 75 days to maturity, 251 available after Mar 6. | Aug 15 |
| Pumpkin | Feb 13 | Mar 13–Mar 13 | 244 | fits: 100 days to maturity, 244 available after Mar 13. | Jul 21 |
| Cauliflower | Jan 16 | Feb 20–Mar 6 | 293 | fits: 75 days to maturity, 293 available after Feb 20. | Sep 12 |
| Swiss Chard | Jan 2 | Feb 13–Feb 13 | 300 | two-plantings: Plant Feb 13 and again by Oct 2; both mature before Dec 10. | Oct 2 |
| Arugula | — | Jan 2–Mar 27 | 356 | two-plantings: Plant Jan 2 and again by Oct 31; both mature before Dec 24. | Oct 31 |
| Brussel Sprouts | Jan 2 | Jan 30–Feb 13 | 328 | fits: 100 days to maturity, 328 available after Jan 30. | Sep 1 |
| Butternut Squash | Feb 13 | Mar 13–Mar 20 | 244 | fits: 100 days to maturity, 244 available after Mar 13. | Jul 21 |
| Eggplant | Jan 9 | Mar 13–Mar 20 | 237 | fits: 70 days to maturity, 237 available after Mar 13. | Aug 13 |
| Okra | Jan 30 | Mar 6–Mar 13 | 258 | two-plantings: Plant Mar 6 and again by Sep 11; both mature before Nov 19. | Sep 11 |
| Basil | Jan 23 | Mar 20–Mar 20 | 244 | two-plantings: Plant Mar 20 and again by Sep 6; both mature before Nov 19. | Sep 6 |
| Cilantro | — | Jan 30–Feb 20 | 314 | two-plantings: Plant Jan 30 and again by Oct 7; both mature before Dec 10. | Oct 7 |
| Parsley | Dec 19 | Mar 6–Mar 13 | 279 | fits: 70 days to maturity, 279 available after Mar 6. | Sep 17 |
| Celery | Dec 19 | Mar 6–Mar 20 | 279 | fits: 120 days to maturity, 279 available after Mar 6. | Jul 29 |
| Scallions | Dec 19 | Jan 30–Feb 13 | 328 | two-plantings: Plant Jan 30 and again by Oct 11; both mature before Dec 24. | Oct 11 |
| Turnip | — | Jan 30–Feb 13 | 328 | two-plantings: Plant Jan 30 and again by Oct 21; both mature before Dec 24. | Oct 21 |
| Kohlrabi | — | Jan 16–Jan 30 | 342 | two-plantings: Plant Jan 16 and again by Oct 16; both mature before Dec 24. | Oct 16 |
| Bok Choy | Jan 30 | Feb 20–Feb 27 | 293 | two-plantings: Plant Feb 20 and again by Oct 12; both mature before Dec 10. | Oct 12 |
| Collards | Dec 19 | Jan 30–Feb 13 | 328 | two-plantings: Plant Jan 30 and again by Oct 11; both mature before Dec 24. | Oct 11 |
| Cantaloupe | Feb 13 | Mar 13–Mar 20 | 237 | fits: 85 days to maturity, 237 available after Mar 13. | Jul 29 |
| Chives | Dec 5 | Mar 6–Mar 13 | 293 | fits: 90 days to maturity, 293 available after Mar 6. | — |
| Dill | — | Jan 2–Mar 27 | 342 | two-plantings: Plant Jan 2 and again by Oct 2; both mature before Dec 10. | Oct 2 |
| Oregano | Dec 19 | Mar 6–Mar 13 | 293 | fits: 80 days to maturity, 293 available after Mar 6. | — |
| Rosemary | Dec 5 | Mar 6–Mar 13 | 279 | fits: 80 days to maturity, 279 available after Mar 6. | — |
| Sage | Jan 2 | Mar 6–Mar 13 | 293 | fits: 75 days to maturity, 293 available after Mar 6. | — |
| Thyme | Dec 19 | Mar 6–Mar 13 | 293 | fits: 90 days to maturity, 293 available after Mar 6. | — |
| Calendula | Jan 16 | Feb 13–Feb 27 | 300 | two-plantings: Plant Feb 13 and again by Oct 7; both mature before Dec 10. | Oct 7 |
| Cosmos | Jan 30 | Feb 27–Mar 13 | 265 | two-plantings: Plant Feb 27 and again by Sep 6; both mature before Nov 19. | Sep 6 |
| Lavender | Dec 5 | Feb 27–Mar 13 | 300 | fits: 90 days to maturity, 300 available after Feb 27. | — |
| Marigolds | Jan 16 | Feb 27–Mar 6 | 265 | two-plantings: Plant Feb 27 and again by Sep 16; both mature before Nov 19. | Sep 16 |
| Melons | Feb 13 | Mar 13–Mar 20 | 237 | fits: 85 days to maturity, 237 available after Mar 13. | Jul 29 |
| Mint | — | Feb 27–Mar 13 | 300 | fits: 90 days to maturity, 300 available after Feb 27. | — |
| Nasturtiums | Jan 30 | Feb 27–Mar 6 | 265 | two-plantings: Plant Feb 27 and again by Sep 11; both mature before Nov 19. | Sep 11 |
| Pole Beans | — | Mar 6–Mar 20 | 258 | fits: 65 days to maturity, 258 available after Mar 6. | Sep 1 |
| Spaghetti Squash | Feb 13 | Mar 13–Mar 20 | 244 | fits: 90 days to maturity, 244 available after Mar 13. | Jul 31 |
| Sunflowers | — | Feb 27–Mar 13 | 265 | fits: 70 days to maturity, 265 available after Feb 27. | Aug 27 |
| Tomatillos | Jan 2 | Mar 6–Mar 13 | 244 | fits: 75 days to maturity, 244 available after Mar 6. | Aug 8 |
| Watermelon | Feb 13 | Mar 6–Mar 13 | 244 | fits: 80 days to maturity, 244 available after Mar 6. | Aug 3 |
| Yellow Squash | Feb 13 | Mar 13–Mar 20 | 251 | two-plantings: Plant Mar 13 and again by Sep 11; both mature before Nov 19. | Sep 11 |
| Zinnias | Jan 30 | Feb 27–Mar 13 | 265 | two-plantings: Plant Feb 27 and again by Sep 6; both mature before Nov 19. | Sep 6 |
Month by month in Livermore
| Month | What to do |
|---|---|
| January | Start indoors: Broccoli (Jan 2), Brussel Sprouts (Jan 2), Cabbage (Jan 2), Lettuce (Jan 2), Sage (Jan 2), Swiss Chard (Jan 2), +14 more. Direct sow from: Arugula (Jan 2), Beets (Jan 2), Dill (Jan 2), Peas (Jan 2), Radish (Jan 2), Spinach (Jan 2), +3 more. Transplant from: Broccoli (Jan 30), Brussel Sprouts (Jan 30), Cabbage (Jan 30), Collards (Jan 30), Kale (Jan 30), Lettuce (Jan 30), +2 more. Plant: Strawberry (Jan 23). |
| February | Start indoors: Cucumber (Feb 6), Butternut Squash (Feb 13), Cantaloupe (Feb 13), Melons (Feb 13), Pumpkin (Feb 13), Spaghetti Squash (Feb 13), +3 more. Direct sow from: Carrots (Feb 6), Potatoes (Feb 13), Sunflowers (Feb 27). Transplant from: Calendula (Feb 13), Swiss Chard (Feb 13), Bok Choy (Feb 20), Cauliflower (Feb 20), Cosmos (Feb 27), Lavender (Feb 27), +4 more. Last frost around February 27. |
| March | Direct sow from: Beans (Mar 6), Pole Beans (Mar 6). Transplant from: Celery (Mar 6), Chives (Mar 6), Corn (Mar 6), Okra (Mar 6), Oregano (Mar 6), Parsley (Mar 6), +17 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 21), Pumpkin (Jul 21), Cantaloupe (Jul 29), Celery (Jul 29), Melons (Jul 29), Spaghetti Squash (Jul 31). |
| August | Last sowing dates: Tomato (Aug 3), Watermelon (Aug 3), Pepper (Aug 8), Tomatillos (Aug 8), Eggplant (Aug 13), Corn (Aug 15), +1 more. |
| September | Last sowing dates: Brussel Sprouts (Sep 1), Pole Beans (Sep 1), Basil (Sep 6), Cosmos (Sep 6), Cucumber (Sep 6), Zinnias (Sep 6), +10 more. |
| October | Last sowing dates: Cabbage (Oct 1), Carrots (Oct 1), Beets (Oct 2), Dill (Oct 2), Swiss Chard (Oct 2), Calendula (Oct 7), +10 more. |
| November | Last sowing dates: Radish (Nov 1). |
| December | Start indoors: Chives (Dec 5), Lavender (Dec 5), Onion (Dec 5), Rosemary (Dec 5), Celery (Dec 19), Collards (Dec 19), +5 more. Direct sow from: Garlic (Dec 3). First frost around December 3. Last sowing dates: Garlic (Dec 24). |
Frequently Asked Questions
What is the last frost date for Livermore, CA (ZIP 94551)?
The median last spring frost date for Livermore, CA (ZIP code 94551) is around February 27. 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 22; one in ten it runs past April 7.
What is the first fall frost date in Livermore, CA?
The median first fall frost date for Livermore, CA is around December 3. 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 11 in the earliest one-in-ten years, so cover tomatoes and peppers from then.
How long is the growing season in Livermore, CA?
The frost-free growing season in Livermore is about 279 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 Livermore (279 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 Livermore, CA?
Livermore, 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 Livermore, CA?
Start tomatoes indoors Jan 23 and plant out Mar 13 in Livermore. The planner uses the local median last frost and this crop's indoor-start and transplant offsets.
How many plantings of lettuce fit in Livermore?
Two: plant Jan 30 and again by Oct 12; both mature before Dec 10.
When do I plant garlic in Livermore?
Dec 3 to Dec 24; it overwinters and is ready the following summer.
Can I get two tomato crops in Livermore?
Yes: plant out Mar 13 for a summer crop, and set out a second round of transplants by Aug 3 for a fall crop.
Which nearby ZIP has a longer season?
Discovery Bay (ZIP 94505) has 298 frost-free days, 19 more than Livermore (ZIP 94551). See Discovery Bay ZIP 94505 frost dates
Nearby and related
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