Frost Dates for Seaside, CA 93955
Last spring frost January 22 · First fall frost December 10 · 322 frost-free days · USDA Zone 10a
ZIP 93955 has about 32,300 people.
Very long season: 322 frost-free days. Spring frost risk spans November 29–March 1 (92 days). Fall frost risk spans November 17–January 6 (50 days).
Frost probability for 93955
| Frost | 10% | 50% | 90% |
|---|---|---|---|
| Spring (last frost) | March 1 | January 22 | November 29 |
| Fall (first frost) | November 17 | December 10 | January 6 |
Dates come from NOAA 1971–2000 freeze probabilities at SALINAS AP (17.3 km away); the 50% date is the median year.
Which crops fit a 322-day season in Seaside
In Seaside (322 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 | Dec 18 | Feb 5–Feb 12 | 280 | fits: 80 days to maturity, 280 available after Feb 5. | Aug 10 |
| Pepper | Dec 11 | Feb 5–Feb 12 | 280 | fits: 75 days to maturity, 280 available after Feb 5. | Aug 15 |
| Lettuce | Nov 27 | Dec 25–Jan 1 | 357 | two-plantings: Plant Dec 25 and again by Oct 19; both mature before Dec 17. | Oct 19 |
| Carrots | — | Jan 1–Jan 8 | 364 | fits: 70 days to maturity, 364 available after Jan 1. | Oct 8 |
| Cucumber | Jan 1 | Feb 5–Feb 12 | 294 | two-plantings: Plant Feb 5 and again by Sep 13; both mature before Nov 26. | Sep 13 |
| Beans | — | Jan 29–Feb 12 | 308 | two-plantings: Plant Jan 29 and again by Sep 20; both mature before Dec 3. | Sep 20 |
| Peas | — | Nov 27–Feb 5 | 385 | fits: 65 days to maturity, 385 available after Nov 27. | Sep 29 |
| Zucchini | Jan 8 | Feb 5–Feb 12 | 294 | two-plantings: Plant Feb 5 and again by Sep 18; both mature before Nov 26. | Sep 18 |
| Onion | Oct 30 | Dec 25–Jan 8 | 357 | fits: 100 days to maturity, 357 available after Dec 25. | — |
| Spinach | — | Nov 27–Jan 15 | 399 | two-plantings: Plant Nov 27 and again by Nov 7; both mature before Dec 31. | Nov 7 |
| Kale | Nov 13 | Dec 25–Jan 8 | 371 | two-plantings: Plant Dec 25 and again by Oct 23; both mature before Dec 31. | Oct 23 |
| Broccoli | Nov 27 | Dec 25–Jan 8 | 357 | fits: 80 days to maturity, 357 available after Dec 25. | Sep 14 |
| Cabbage | Nov 27 | Dec 25–Jan 8 | 371 | fits: 70 days to maturity, 371 available after Dec 25. | Oct 8 |
| Radish | — | Nov 27–Feb 19 | 385 | two-plantings: Plant Nov 27 and again by Nov 8; both mature before Dec 17. | Nov 8 |
| Beets | — | Nov 27–Feb 19 | 385 | two-plantings: Plant Nov 27 and again by Oct 9; both mature before Dec 17. | Oct 9 |
| Potatoes | — | Jan 8–Jan 15 | 343 | fits: 90 days to maturity, 343 available after Jan 8. | — |
| Garlic | — | Dec 10 | 427 | overwinter: Plant Dec 10 to Dec 31; harvest the following summer. | Dec 31 |
| Strawberry | — | Dec 18–Feb 12 | 378 | perennial: A perennial: plant Dec 18; it fruits from the following year and keeps producing for several years. | — |
| Corn | Dec 25 | Jan 29–Feb 5 | 294 | fits: 75 days to maturity, 294 available after Jan 29. | Aug 22 |
| Pumpkin | Jan 8 | Feb 5–Feb 5 | 287 | fits: 100 days to maturity, 287 available after Feb 5. | Jul 28 |
| Cauliflower | Dec 11 | Jan 15–Jan 29 | 336 | fits: 75 days to maturity, 336 available after Jan 15. | Sep 19 |
| Swiss Chard | Nov 27 | Jan 8–Jan 8 | 343 | two-plantings: Plant Jan 8 and again by Oct 9; both mature before Dec 17. | Oct 9 |
| Arugula | — | Nov 27–Feb 19 | 399 | two-plantings: Plant Nov 27 and again by Nov 7; both mature before Dec 31. | Nov 7 |
| Brussel Sprouts | Nov 27 | Dec 25–Jan 8 | 371 | fits: 100 days to maturity, 371 available after Dec 25. | Sep 8 |
| Butternut Squash | Jan 8 | Feb 5–Feb 12 | 287 | fits: 100 days to maturity, 287 available after Feb 5. | Jul 28 |
| Eggplant | Dec 4 | Feb 5–Feb 12 | 280 | fits: 70 days to maturity, 280 available after Feb 5. | Aug 20 |
| Okra | Dec 25 | Jan 29–Feb 5 | 301 | two-plantings: Plant Jan 29 and again by Sep 18; both mature before Nov 26. | Sep 18 |
| Basil | Dec 18 | Feb 12–Feb 12 | 287 | two-plantings: Plant Feb 12 and again by Sep 13; both mature before Nov 26. | Sep 13 |
| Cilantro | — | Dec 25–Jan 15 | 357 | two-plantings: Plant Dec 25 and again by Oct 14; both mature before Dec 17. | Oct 14 |
| Parsley | Nov 13 | Jan 29–Feb 5 | 322 | fits: 70 days to maturity, 322 available after Jan 29. | Sep 24 |
| Celery | Nov 13 | Jan 29–Feb 12 | 322 | fits: 120 days to maturity, 322 available after Jan 29. | Aug 5 |
| Scallions | Nov 13 | Dec 25–Jan 8 | 371 | two-plantings: Plant Dec 25 and again by Oct 18; both mature before Dec 31. | Oct 18 |
| Turnip | — | Dec 25–Jan 8 | 371 | two-plantings: Plant Dec 25 and again by Oct 28; both mature before Dec 31. | Oct 28 |
| Kohlrabi | — | Dec 11–Dec 25 | 385 | two-plantings: Plant Dec 11 and again by Oct 23; both mature before Dec 31. | Oct 23 |
| Bok Choy | Dec 25 | Jan 15–Jan 22 | 336 | two-plantings: Plant Jan 15 and again by Oct 19; both mature before Dec 17. | Oct 19 |
| Collards | Nov 13 | Dec 25–Jan 8 | 371 | two-plantings: Plant Dec 25 and again by Oct 18; both mature before Dec 31. | Oct 18 |
| Cantaloupe | Jan 8 | Feb 5–Feb 12 | 280 | fits: 85 days to maturity, 280 available after Feb 5. | Aug 5 |
| Chives | Oct 30 | Jan 29–Feb 5 | 336 | fits: 90 days to maturity, 336 available after Jan 29. | — |
| Dill | — | Nov 27–Feb 19 | 385 | two-plantings: Plant Nov 27 and again by Oct 9; both mature before Dec 17. | Oct 9 |
| Oregano | Nov 13 | Jan 29–Feb 5 | 336 | fits: 80 days to maturity, 336 available after Jan 29. | — |
| Rosemary | Oct 30 | Jan 29–Feb 5 | 322 | fits: 80 days to maturity, 322 available after Jan 29. | — |
| Sage | Nov 27 | Jan 29–Feb 5 | 336 | fits: 75 days to maturity, 336 available after Jan 29. | — |
| Thyme | Nov 13 | Jan 29–Feb 5 | 336 | fits: 90 days to maturity, 336 available after Jan 29. | — |
| Calendula | Dec 11 | Jan 8–Jan 22 | 343 | two-plantings: Plant Jan 8 and again by Oct 14; both mature before Dec 17. | Oct 14 |
| Cosmos | Dec 25 | Jan 22–Feb 5 | 308 | two-plantings: Plant Jan 22 and again by Sep 13; both mature before Nov 26. | Sep 13 |
| Lavender | Oct 30 | Jan 22–Feb 5 | 343 | fits: 90 days to maturity, 343 available after Jan 22. | — |
| Marigolds | Dec 11 | Jan 22–Jan 29 | 308 | two-plantings: Plant Jan 22 and again by Sep 23; both mature before Nov 26. | Sep 23 |
| Melons | Jan 8 | Feb 5–Feb 12 | 280 | fits: 85 days to maturity, 280 available after Feb 5. | Aug 5 |
| Mint | — | Jan 22–Feb 5 | 343 | fits: 90 days to maturity, 343 available after Jan 22. | — |
| Nasturtiums | Dec 25 | Jan 22–Jan 29 | 308 | two-plantings: Plant Jan 22 and again by Sep 18; both mature before Nov 26. | Sep 18 |
| Pole Beans | — | Jan 29–Feb 12 | 301 | fits: 65 days to maturity, 301 available after Jan 29. | Sep 8 |
| Spaghetti Squash | Jan 8 | Feb 5–Feb 12 | 287 | fits: 90 days to maturity, 287 available after Feb 5. | Aug 7 |
| Sunflowers | — | Jan 22–Feb 5 | 308 | fits: 70 days to maturity, 308 available after Jan 22. | Sep 3 |
| Tomatillos | Nov 27 | Jan 29–Feb 5 | 287 | fits: 75 days to maturity, 287 available after Jan 29. | Aug 15 |
| Watermelon | Jan 8 | Jan 29–Feb 5 | 287 | fits: 80 days to maturity, 287 available after Jan 29. | Aug 10 |
| Yellow Squash | Jan 8 | Feb 5–Feb 12 | 294 | two-plantings: Plant Feb 5 and again by Sep 18; both mature before Nov 26. | Sep 18 |
| Zinnias | Dec 25 | Jan 22–Feb 5 | 308 | two-plantings: Plant Jan 22 and again by Sep 13; both mature before Nov 26. | Sep 13 |
Month by month in Seaside
| Month | What to do |
|---|---|
| January | Start indoors: Cucumber (Jan 1), Butternut Squash (Jan 8), Cantaloupe (Jan 8), Melons (Jan 8), Pumpkin (Jan 8), Spaghetti Squash (Jan 8), +3 more. Direct sow from: Carrots (Jan 1), Potatoes (Jan 8), Sunflowers (Jan 22), Beans (Jan 29), Pole Beans (Jan 29). Transplant from: Calendula (Jan 8), Swiss Chard (Jan 8), Bok Choy (Jan 15), Cauliflower (Jan 15), Cosmos (Jan 22), Lavender (Jan 22), +15 more. Last frost around January 22. |
| February | Transplant from: Butternut Squash (Feb 5), Cantaloupe (Feb 5), Cucumber (Feb 5), Eggplant (Feb 5), Melons (Feb 5), Pepper (Feb 5), +6 more. |
| March | Succession plant lettuce and greens. Keep beds weeded and watered consistently. |
| April | Harvest regularly to encourage production. Monitor for pests and disease. |
| May | Midsummer: harvest beans, zucchini, cucumbers. Start brassica seeds indoors for fall. |
| June | Direct sow carrots and beets for fall harvest. Start fall broccoli and kale indoors. |
| July | Last sowing dates: Butternut Squash (Jul 28), Pumpkin (Jul 28). |
| August | Last sowing dates: Cantaloupe (Aug 5), Celery (Aug 5), Melons (Aug 5), Spaghetti Squash (Aug 7), Tomato (Aug 10), Watermelon (Aug 10), +4 more. |
| September | Last sowing dates: Sunflowers (Sep 3), Brussel Sprouts (Sep 8), Pole Beans (Sep 8), Basil (Sep 13), Cosmos (Sep 13), Cucumber (Sep 13), +11 more. |
| October | Start indoors: Chives (Oct 30), Lavender (Oct 30), Onion (Oct 30), Rosemary (Oct 30). Last sowing dates: Cabbage (Oct 8), Carrots (Oct 8), Beets (Oct 9), Dill (Oct 9), Swiss Chard (Oct 9), Calendula (Oct 14), +8 more. |
| November | Start indoors: Celery (Nov 13), Collards (Nov 13), Kale (Nov 13), Oregano (Nov 13), Parsley (Nov 13), Scallions (Nov 13), +8 more. Direct sow from: Arugula (Nov 27), Beets (Nov 27), Dill (Nov 27), Peas (Nov 27), Radish (Nov 27), Spinach (Nov 27). Last sowing dates: Arugula (Nov 7), Spinach (Nov 7), Radish (Nov 8). |
| December | Start indoors: Eggplant (Dec 4), Calendula (Dec 11), Cauliflower (Dec 11), Marigolds (Dec 11), Pepper (Dec 11), Basil (Dec 18), +7 more. Direct sow from: Garlic (Dec 10), Kohlrabi (Dec 11), Cilantro (Dec 25), Turnip (Dec 25). Transplant from: Broccoli (Dec 25), Brussel Sprouts (Dec 25), Cabbage (Dec 25), Collards (Dec 25), Kale (Dec 25), Lettuce (Dec 25), +2 more. Plant: Strawberry (Dec 18). First frost around December 10. Last sowing dates: Garlic (Dec 31). |
Frequently Asked Questions
What is the last frost date for Seaside, CA (ZIP 93955)?
The median last spring frost date for Seaside, CA (ZIP code 93955) is around January 22. 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 November 29; one in ten it runs past March 1.
What is the first fall frost date in Seaside, CA?
The median first fall frost date for Seaside, CA is around December 10. 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 17 in the earliest one-in-ten years, so cover tomatoes and peppers from then.
How long is the growing season in Seaside, CA?
The frost-free growing season in Seaside is about 322 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 Seaside (322 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 Seaside, CA?
Seaside, CA is in USDA hardiness zone 10a (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 Seaside, CA?
Start tomatoes indoors Dec 18 and plant out Feb 5 in Seaside. The planner uses the local median last frost and this crop's indoor-start and transplant offsets.
How many plantings of lettuce fit in Seaside?
Two: plant Dec 25 and again by Oct 19; both mature before Dec 17.
When do I plant garlic in Seaside?
Dec 10 to Dec 31; it overwinters and is ready the following summer.
Can I get two tomato crops in Seaside?
Yes: plant out Feb 5 for a summer crop, and set out a second round of transplants by Aug 10 for a fall crop.
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