Frost Dates for King City, CA 93930
Last spring frost April 19 · First fall frost November 3 · 198 frost-free days · USDA Zone 9a
ZIP 93930 has about 17,200 people.
Long season: 198 frost-free days. Spring frost risk spans March 20–May 18 (59 days). Fall frost risk spans October 16–November 20 (35 days).
Frost probability for 93930
| Frost | 10% | 50% | 90% |
|---|---|---|---|
| Spring (last frost) | May 18 | April 19 | March 20 |
| Fall (first frost) | October 16 | November 3 | November 20 |
Dates come from NOAA 1971–2000 freeze probabilities at PINNACLES NP (32.9 km away); the 50% date is the median year.
Which crops fit a 198-day season in King City
In King City (198 frost-free days, a 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 | Mar 15 | May 3–May 10 | 156 | fits: 80 days to maturity, 156 available after May 3. | Jul 4 |
| Pepper | Mar 8 | May 3–May 10 | 156 | fits: 75 days to maturity, 156 available after May 3. | Jul 9 |
| Lettuce | Feb 22 | Mar 22–Mar 29 | 233 | two-plantings: Plant Mar 22 and again by Sep 12; both mature before Nov 10. | Sep 12 |
| Carrots | — | Mar 29–Apr 5 | 240 | fits: 70 days to maturity, 240 available after Mar 29. | Sep 1 |
| Cucumber | Mar 29 | May 3–May 10 | 170 | two-plantings: Plant May 3 and again by Aug 7; both mature before Oct 20. | Aug 7 |
| Beans | — | Apr 26–May 10 | 184 | two-plantings: Plant Apr 26 and again by Aug 14; both mature before Oct 27. | Aug 14 |
| Peas | — | Feb 22–May 3 | 261 | fits: 65 days to maturity, 261 available after Feb 22. | Aug 23 |
| Zucchini | Apr 5 | May 3–May 10 | 170 | two-plantings: Plant May 3 and again by Aug 12; both mature before Oct 20. | Aug 12 |
| Onion | Jan 25 | Mar 22–Apr 5 | 233 | fits: 100 days to maturity, 233 available after Mar 22. | — |
| Spinach | — | Feb 22–Apr 12 | 275 | two-plantings: Plant Feb 22 and again by Oct 1; both mature before Nov 24. | Oct 1 |
| Kale | Feb 8 | Mar 22–Apr 5 | 247 | two-plantings: Plant Mar 22 and again by Sep 16; both mature before Nov 24. | Sep 16 |
| Broccoli | Feb 22 | Mar 22–Apr 5 | 233 | fits: 80 days to maturity, 233 available after Mar 22. | Aug 8 |
| Cabbage | Feb 22 | Mar 22–Apr 5 | 247 | fits: 70 days to maturity, 247 available after Mar 22. | Sep 1 |
| Radish | — | Feb 22–May 17 | 261 | two-plantings: Plant Feb 22 and again by Oct 2; both mature before Nov 10. | Oct 2 |
| Beets | — | Feb 22–May 17 | 261 | two-plantings: Plant Feb 22 and again by Sep 2; both mature before Nov 10. | Sep 2 |
| Potatoes | — | Apr 5–Apr 12 | 219 | fits: 90 days to maturity, 219 available after Apr 5. | — |
| Garlic | — | Nov 3 | 303 | overwinter: Plant Nov 3 to Nov 24; harvest the following summer. | Nov 24 |
| Strawberry | — | Mar 15–May 10 | 254 | perennial: A perennial: plant Mar 15; it fruits from the following year and keeps producing for several years. | — |
| Corn | Mar 22 | Apr 26–May 3 | 170 | fits: 75 days to maturity, 170 available after Apr 26. | Jul 16 |
| Pumpkin | Apr 5 | May 3–May 3 | 163 | fits: 100 days to maturity, 163 available after May 3. | Jun 21 |
| Cauliflower | Mar 8 | Apr 12–Apr 26 | 212 | fits: 75 days to maturity, 212 available after Apr 12. | Aug 13 |
| Swiss Chard | Feb 22 | Apr 5–Apr 5 | 219 | two-plantings: Plant Apr 5 and again by Sep 2; both mature before Nov 10. | Sep 2 |
| Arugula | — | Feb 22–May 17 | 275 | two-plantings: Plant Feb 22 and again by Oct 1; both mature before Nov 24. | Oct 1 |
| Brussel Sprouts | Feb 22 | Mar 22–Apr 5 | 247 | fits: 100 days to maturity, 247 available after Mar 22. | Aug 2 |
| Butternut Squash | Apr 5 | May 3–May 10 | 163 | fits: 100 days to maturity, 163 available after May 3. | Jun 21 |
| Eggplant | Mar 1 | May 3–May 10 | 156 | fits: 70 days to maturity, 156 available after May 3. | Jul 14 |
| Okra | Mar 22 | Apr 26–May 3 | 177 | two-plantings: Plant Apr 26 and again by Aug 12; both mature before Oct 20. | Aug 12 |
| Basil | Mar 15 | May 10–May 10 | 163 | two-plantings: Plant May 10 and again by Aug 7; both mature before Oct 20. | Aug 7 |
| Cilantro | — | Mar 22–Apr 12 | 233 | two-plantings: Plant Mar 22 and again by Sep 7; both mature before Nov 10. | Sep 7 |
| Parsley | Feb 8 | Apr 26–May 3 | 198 | fits: 70 days to maturity, 198 available after Apr 26. | Aug 18 |
| Celery | Feb 8 | Apr 26–May 10 | 198 | fits: 120 days to maturity, 198 available after Apr 26. | Jun 29 |
| Scallions | Feb 8 | Mar 22–Apr 5 | 247 | two-plantings: Plant Mar 22 and again by Sep 11; both mature before Nov 24. | Sep 11 |
| Turnip | — | Mar 22–Apr 5 | 247 | two-plantings: Plant Mar 22 and again by Sep 21; both mature before Nov 24. | Sep 21 |
| Kohlrabi | — | Mar 8–Mar 22 | 261 | two-plantings: Plant Mar 8 and again by Sep 16; both mature before Nov 24. | Sep 16 |
| Bok Choy | Mar 22 | Apr 12–Apr 19 | 212 | two-plantings: Plant Apr 12 and again by Sep 12; both mature before Nov 10. | Sep 12 |
| Collards | Feb 8 | Mar 22–Apr 5 | 247 | two-plantings: Plant Mar 22 and again by Sep 11; both mature before Nov 24. | Sep 11 |
| Cantaloupe | Apr 5 | May 3–May 10 | 156 | fits: 85 days to maturity, 156 available after May 3. | Jun 29 |
| Chives | Jan 25 | Apr 26–May 3 | 212 | fits: 90 days to maturity, 212 available after Apr 26. | — |
| Dill | — | Feb 22–May 17 | 261 | two-plantings: Plant Feb 22 and again by Sep 2; both mature before Nov 10. | Sep 2 |
| Oregano | Feb 8 | Apr 26–May 3 | 212 | fits: 80 days to maturity, 212 available after Apr 26. | — |
| Rosemary | Jan 25 | Apr 26–May 3 | 198 | fits: 80 days to maturity, 198 available after Apr 26. | — |
| Sage | Feb 22 | Apr 26–May 3 | 212 | fits: 75 days to maturity, 212 available after Apr 26. | — |
| Thyme | Feb 8 | Apr 26–May 3 | 212 | fits: 90 days to maturity, 212 available after Apr 26. | — |
| Calendula | Mar 8 | Apr 5–Apr 19 | 219 | two-plantings: Plant Apr 5 and again by Sep 7; both mature before Nov 10. | Sep 7 |
| Cosmos | Mar 22 | Apr 19–May 3 | 184 | two-plantings: Plant Apr 19 and again by Aug 7; both mature before Oct 20. | Aug 7 |
| Lavender | Jan 25 | Apr 19–May 3 | 219 | fits: 90 days to maturity, 219 available after Apr 19. | — |
| Marigolds | Mar 8 | Apr 19–Apr 26 | 184 | two-plantings: Plant Apr 19 and again by Aug 17; both mature before Oct 20. | Aug 17 |
| Melons | Apr 5 | May 3–May 10 | 156 | fits: 85 days to maturity, 156 available after May 3. | Jun 29 |
| Mint | — | Apr 19–May 3 | 219 | fits: 90 days to maturity, 219 available after Apr 19. | — |
| Nasturtiums | Mar 22 | Apr 19–Apr 26 | 184 | two-plantings: Plant Apr 19 and again by Aug 12; both mature before Oct 20. | Aug 12 |
| Pole Beans | — | Apr 26–May 10 | 177 | fits: 65 days to maturity, 177 available after Apr 26. | Aug 2 |
| Spaghetti Squash | Apr 5 | May 3–May 10 | 163 | fits: 90 days to maturity, 163 available after May 3. | Jul 1 |
| Sunflowers | — | Apr 19–May 3 | 184 | fits: 70 days to maturity, 184 available after Apr 19. | Jul 28 |
| Tomatillos | Feb 22 | Apr 26–May 3 | 163 | fits: 75 days to maturity, 163 available after Apr 26. | Jul 9 |
| Watermelon | Apr 5 | Apr 26–May 3 | 163 | fits: 80 days to maturity, 163 available after Apr 26. | Jul 4 |
| Yellow Squash | Apr 5 | May 3–May 10 | 170 | two-plantings: Plant May 3 and again by Aug 12; both mature before Oct 20. | Aug 12 |
| Zinnias | Mar 22 | Apr 19–May 3 | 184 | two-plantings: Plant Apr 19 and again by Aug 7; both mature before Oct 20. | Aug 7 |
Month by month in King City
| Month | What to do |
|---|---|
| January | Start indoors: Chives (Jan 25), Lavender (Jan 25), Onion (Jan 25), Rosemary (Jan 25). |
| February | Start indoors: Celery (Feb 8), Collards (Feb 8), Kale (Feb 8), Oregano (Feb 8), Parsley (Feb 8), Scallions (Feb 8), +8 more. Direct sow from: Arugula (Feb 22), Beets (Feb 22), Dill (Feb 22), Peas (Feb 22), Radish (Feb 22), Spinach (Feb 22). |
| March | Start indoors: Eggplant (Mar 1), Calendula (Mar 8), Cauliflower (Mar 8), Marigolds (Mar 8), Pepper (Mar 8), Basil (Mar 15), +8 more. Direct sow from: Kohlrabi (Mar 8), Cilantro (Mar 22), Turnip (Mar 22), Carrots (Mar 29). Transplant from: Broccoli (Mar 22), Brussel Sprouts (Mar 22), Cabbage (Mar 22), Collards (Mar 22), Kale (Mar 22), Lettuce (Mar 22), +2 more. Plant: Strawberry (Mar 15). |
| April | Start indoors: Butternut Squash (Apr 5), Cantaloupe (Apr 5), Melons (Apr 5), Pumpkin (Apr 5), Spaghetti Squash (Apr 5), Watermelon (Apr 5), +2 more. Direct sow from: Potatoes (Apr 5), Sunflowers (Apr 19), Beans (Apr 26), Pole Beans (Apr 26). Transplant from: Calendula (Apr 5), Swiss Chard (Apr 5), Bok Choy (Apr 12), Cauliflower (Apr 12), Cosmos (Apr 19), Lavender (Apr 19), +15 more. Last frost around April 19. |
| May | Transplant from: Butternut Squash (May 3), Cantaloupe (May 3), Cucumber (May 3), Eggplant (May 3), Melons (May 3), Pepper (May 3), +6 more. |
| June | Last sowing dates: Butternut Squash (Jun 21), Pumpkin (Jun 21), Cantaloupe (Jun 29), Celery (Jun 29), Melons (Jun 29). |
| July | Last sowing dates: Spaghetti Squash (Jul 1), Tomato (Jul 4), Watermelon (Jul 4), Pepper (Jul 9), Tomatillos (Jul 9), Eggplant (Jul 14), +2 more. |
| August | Last sowing dates: Brussel Sprouts (Aug 2), Pole Beans (Aug 2), Basil (Aug 7), Cosmos (Aug 7), Cucumber (Aug 7), Zinnias (Aug 7), +10 more. |
| September | Last sowing dates: Cabbage (Sep 1), Carrots (Sep 1), Beets (Sep 2), Dill (Sep 2), Swiss Chard (Sep 2), Calendula (Sep 7), +8 more. |
| October | Last sowing dates: Arugula (Oct 1), Spinach (Oct 1), Radish (Oct 2). |
| November | Direct sow from: Garlic (Nov 3). First frost around November 3. Last sowing dates: Garlic (Nov 24). |
| December | Harvest remaining cold-hardy crops: kale, carrots, and beets. Plant garlic bulbs for next year. |
Frequently Asked Questions
What is the last frost date for King City, CA (ZIP 93930)?
The median last spring frost date for King City, CA (ZIP code 93930) is around April 19. 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 March 20; one in ten it runs past May 18.
What is the first fall frost date in King City, CA?
The median first fall frost date for King City, CA is around November 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 October 16 in the earliest one-in-ten years, so cover tomatoes and peppers from then.
How long is the growing season in King City, CA?
The frost-free growing season in King City is about 198 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 King City (198 frost-free days, a long season), 30 of 56 planner crops fit outright, 25 get two plantings, 1 crop is perennial.
What USDA hardiness zone is King City, CA?
King City, CA 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 King City, CA?
Start tomatoes indoors Mar 15 and plant out May 3 in King City. The planner uses the local median last frost and this crop's indoor-start and transplant offsets.
How many plantings of lettuce fit in King City?
Two: plant Mar 22 and again by Sep 12; both mature before Nov 10.
When do I plant garlic in King City?
Nov 3 to Nov 24; it overwinters and is ready the following summer.
Can I get two tomato crops in King City?
Yes: plant out May 3 for a summer crop, and set out a second round of transplants by Jul 4 for a fall crop.
Which nearby ZIP has a longer season?
Greenfield (ZIP 93927) has 237 frost-free days, 39 more than King City (ZIP 93930). See Greenfield ZIP 93927 frost dates
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