Frost Dates for Mckinleyville, CA 95519
Last spring frost April 15 · First fall frost November 3 · 202 frost-free days · USDA Zone 9b
ZIP 95519 has about 18,700 people.
Long season: 202 frost-free days. Spring frost risk spans April 3–May 17 (44 days). Fall frost risk spans October 10–November 26 (47 days).
Frost probability for 95519
| Frost | 10% | 50% | 90% |
|---|---|---|---|
| Spring (last frost) | May 17 | April 15 | April 3 |
| Fall (first frost) | October 10 | November 3 | November 26 |
Dates come from NOAA 1971–2000 freeze probabilities at WILLOW CREEK 1 NW (34.7 km away); the 50% date is the median year.
Which crops fit a 202-day season in Mckinleyville
In Mckinleyville (202 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 11 | Apr 29–May 6 | 160 | fits: 80 days to maturity, 160 available after Apr 29. | Jul 4 |
| Pepper | Mar 4 | Apr 29–May 6 | 160 | fits: 75 days to maturity, 160 available after Apr 29. | Jul 9 |
| Lettuce | Feb 18 | Mar 18–Mar 25 | 237 | two-plantings: Plant Mar 18 and again by Sep 12; both mature before Nov 10. | Sep 12 |
| Carrots | — | Mar 25–Apr 1 | 244 | fits: 70 days to maturity, 244 available after Mar 25. | Sep 1 |
| Cucumber | Mar 25 | Apr 29–May 6 | 174 | two-plantings: Plant Apr 29 and again by Aug 7; both mature before Oct 20. | Aug 7 |
| Beans | — | Apr 22–May 6 | 188 | two-plantings: Plant Apr 22 and again by Aug 14; both mature before Oct 27. | Aug 14 |
| Peas | — | Feb 18–Apr 29 | 265 | fits: 65 days to maturity, 265 available after Feb 18. | Aug 23 |
| Zucchini | Apr 1 | Apr 29–May 6 | 174 | two-plantings: Plant Apr 29 and again by Aug 12; both mature before Oct 20. | Aug 12 |
| Onion | Jan 21 | Mar 18–Apr 1 | 237 | fits: 100 days to maturity, 237 available after Mar 18. | — |
| Spinach | — | Feb 18–Apr 8 | 279 | two-plantings: Plant Feb 18 and again by Oct 1; both mature before Nov 24. | Oct 1 |
| Kale | Feb 4 | Mar 18–Apr 1 | 251 | two-plantings: Plant Mar 18 and again by Sep 16; both mature before Nov 24. | Sep 16 |
| Broccoli | Feb 18 | Mar 18–Apr 1 | 237 | fits: 80 days to maturity, 237 available after Mar 18. | Aug 8 |
| Cabbage | Feb 18 | Mar 18–Apr 1 | 251 | fits: 70 days to maturity, 251 available after Mar 18. | Sep 1 |
| Radish | — | Feb 18–May 13 | 265 | two-plantings: Plant Feb 18 and again by Oct 2; both mature before Nov 10. | Oct 2 |
| Beets | — | Feb 18–May 13 | 265 | two-plantings: Plant Feb 18 and again by Sep 2; both mature before Nov 10. | Sep 2 |
| Potatoes | — | Apr 1–Apr 8 | 223 | fits: 90 days to maturity, 223 available after Apr 1. | — |
| Garlic | — | Nov 3 | 307 | overwinter: Plant Nov 3 to Nov 24; harvest the following summer. | Nov 24 |
| Strawberry | — | Mar 11–May 6 | 258 | perennial: A perennial: plant Mar 11; it fruits from the following year and keeps producing for several years. | — |
| Corn | Mar 18 | Apr 22–Apr 29 | 174 | fits: 75 days to maturity, 174 available after Apr 22. | Jul 16 |
| Pumpkin | Apr 1 | Apr 29–Apr 29 | 167 | fits: 100 days to maturity, 167 available after Apr 29. | Jun 21 |
| Cauliflower | Mar 4 | Apr 8–Apr 22 | 216 | fits: 75 days to maturity, 216 available after Apr 8. | Aug 13 |
| Swiss Chard | Feb 18 | Apr 1–Apr 1 | 223 | two-plantings: Plant Apr 1 and again by Sep 2; both mature before Nov 10. | Sep 2 |
| Arugula | — | Feb 18–May 13 | 279 | two-plantings: Plant Feb 18 and again by Oct 1; both mature before Nov 24. | Oct 1 |
| Brussel Sprouts | Feb 18 | Mar 18–Apr 1 | 251 | fits: 100 days to maturity, 251 available after Mar 18. | Aug 2 |
| Butternut Squash | Apr 1 | Apr 29–May 6 | 167 | fits: 100 days to maturity, 167 available after Apr 29. | Jun 21 |
| Eggplant | Feb 25 | Apr 29–May 6 | 160 | fits: 70 days to maturity, 160 available after Apr 29. | Jul 14 |
| Okra | Mar 18 | Apr 22–Apr 29 | 181 | two-plantings: Plant Apr 22 and again by Aug 12; both mature before Oct 20. | Aug 12 |
| Basil | Mar 11 | May 6–May 6 | 167 | two-plantings: Plant May 6 and again by Aug 7; both mature before Oct 20. | Aug 7 |
| Cilantro | — | Mar 18–Apr 8 | 237 | two-plantings: Plant Mar 18 and again by Sep 7; both mature before Nov 10. | Sep 7 |
| Parsley | Feb 4 | Apr 22–Apr 29 | 202 | fits: 70 days to maturity, 202 available after Apr 22. | Aug 18 |
| Celery | Feb 4 | Apr 22–May 6 | 202 | fits: 120 days to maturity, 202 available after Apr 22. | Jun 29 |
| Scallions | Feb 4 | Mar 18–Apr 1 | 251 | two-plantings: Plant Mar 18 and again by Sep 11; both mature before Nov 24. | Sep 11 |
| Turnip | — | Mar 18–Apr 1 | 251 | two-plantings: Plant Mar 18 and again by Sep 21; both mature before Nov 24. | Sep 21 |
| Kohlrabi | — | Mar 4–Mar 18 | 265 | two-plantings: Plant Mar 4 and again by Sep 16; both mature before Nov 24. | Sep 16 |
| Bok Choy | Mar 18 | Apr 8–Apr 15 | 216 | two-plantings: Plant Apr 8 and again by Sep 12; both mature before Nov 10. | Sep 12 |
| Collards | Feb 4 | Mar 18–Apr 1 | 251 | two-plantings: Plant Mar 18 and again by Sep 11; both mature before Nov 24. | Sep 11 |
| Cantaloupe | Apr 1 | Apr 29–May 6 | 160 | fits: 85 days to maturity, 160 available after Apr 29. | Jun 29 |
| Chives | Jan 21 | Apr 22–Apr 29 | 216 | fits: 90 days to maturity, 216 available after Apr 22. | — |
| Dill | — | Feb 18–May 13 | 265 | two-plantings: Plant Feb 18 and again by Sep 2; both mature before Nov 10. | Sep 2 |
| Oregano | Feb 4 | Apr 22–Apr 29 | 216 | fits: 80 days to maturity, 216 available after Apr 22. | — |
| Rosemary | Jan 21 | Apr 22–Apr 29 | 202 | fits: 80 days to maturity, 202 available after Apr 22. | — |
| Sage | Feb 18 | Apr 22–Apr 29 | 216 | fits: 75 days to maturity, 216 available after Apr 22. | — |
| Thyme | Feb 4 | Apr 22–Apr 29 | 216 | fits: 90 days to maturity, 216 available after Apr 22. | — |
| Calendula | Mar 4 | Apr 1–Apr 15 | 223 | two-plantings: Plant Apr 1 and again by Sep 7; both mature before Nov 10. | Sep 7 |
| Cosmos | Mar 18 | Apr 15–Apr 29 | 188 | two-plantings: Plant Apr 15 and again by Aug 7; both mature before Oct 20. | Aug 7 |
| Lavender | Jan 21 | Apr 15–Apr 29 | 223 | fits: 90 days to maturity, 223 available after Apr 15. | — |
| Marigolds | Mar 4 | Apr 15–Apr 22 | 188 | two-plantings: Plant Apr 15 and again by Aug 17; both mature before Oct 20. | Aug 17 |
| Melons | Apr 1 | Apr 29–May 6 | 160 | fits: 85 days to maturity, 160 available after Apr 29. | Jun 29 |
| Mint | — | Apr 15–Apr 29 | 223 | fits: 90 days to maturity, 223 available after Apr 15. | — |
| Nasturtiums | Mar 18 | Apr 15–Apr 22 | 188 | two-plantings: Plant Apr 15 and again by Aug 12; both mature before Oct 20. | Aug 12 |
| Pole Beans | — | Apr 22–May 6 | 181 | fits: 65 days to maturity, 181 available after Apr 22. | Aug 2 |
| Spaghetti Squash | Apr 1 | Apr 29–May 6 | 167 | fits: 90 days to maturity, 167 available after Apr 29. | Jul 1 |
| Sunflowers | — | Apr 15–Apr 29 | 188 | fits: 70 days to maturity, 188 available after Apr 15. | Jul 28 |
| Tomatillos | Feb 18 | Apr 22–Apr 29 | 167 | fits: 75 days to maturity, 167 available after Apr 22. | Jul 9 |
| Watermelon | Apr 1 | Apr 22–Apr 29 | 167 | fits: 80 days to maturity, 167 available after Apr 22. | Jul 4 |
| Yellow Squash | Apr 1 | Apr 29–May 6 | 174 | two-plantings: Plant Apr 29 and again by Aug 12; both mature before Oct 20. | Aug 12 |
| Zinnias | Mar 18 | Apr 15–Apr 29 | 188 | two-plantings: Plant Apr 15 and again by Aug 7; both mature before Oct 20. | Aug 7 |
Month by month in Mckinleyville
| Month | What to do |
|---|---|
| January | Start indoors: Chives (Jan 21), Lavender (Jan 21), Onion (Jan 21), Rosemary (Jan 21). |
| February | Start indoors: Celery (Feb 4), Collards (Feb 4), Kale (Feb 4), Oregano (Feb 4), Parsley (Feb 4), Scallions (Feb 4), +9 more. Direct sow from: Arugula (Feb 18), Beets (Feb 18), Dill (Feb 18), Peas (Feb 18), Radish (Feb 18), Spinach (Feb 18). |
| March | Start indoors: Calendula (Mar 4), Cauliflower (Mar 4), Marigolds (Mar 4), Pepper (Mar 4), Basil (Mar 11), Tomato (Mar 11), +7 more. Direct sow from: Kohlrabi (Mar 4), Cilantro (Mar 18), Turnip (Mar 18), Carrots (Mar 25). Transplant from: Broccoli (Mar 18), Brussel Sprouts (Mar 18), Cabbage (Mar 18), Collards (Mar 18), Kale (Mar 18), Lettuce (Mar 18), +2 more. Plant: Strawberry (Mar 11). |
| April | Start indoors: Butternut Squash (Apr 1), Cantaloupe (Apr 1), Melons (Apr 1), Pumpkin (Apr 1), Spaghetti Squash (Apr 1), Watermelon (Apr 1), +2 more. Direct sow from: Potatoes (Apr 1), Sunflowers (Apr 15), Beans (Apr 22), Pole Beans (Apr 22). Transplant from: Calendula (Apr 1), Swiss Chard (Apr 1), Bok Choy (Apr 8), Cauliflower (Apr 8), Cosmos (Apr 15), Lavender (Apr 15), +26 more. Last frost around April 15. |
| May | Transplant from: Basil (May 6). |
| 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 Mckinleyville, CA (ZIP 95519)?
The median last spring frost date for Mckinleyville, CA (ZIP code 95519) is around April 15. 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 April 3; one in ten it runs past May 17.
What is the first fall frost date in Mckinleyville, CA?
The median first fall frost date for Mckinleyville, 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 10 in the earliest one-in-ten years, so cover tomatoes and peppers from then.
How long is the growing season in Mckinleyville, CA?
The frost-free growing season in Mckinleyville is about 202 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 Mckinleyville (202 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 Mckinleyville, CA?
Mckinleyville, 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 Mckinleyville, CA?
Start tomatoes indoors Mar 11 and plant out Apr 29 in Mckinleyville. The planner uses the local median last frost and this crop's indoor-start and transplant offsets.
How many plantings of lettuce fit in Mckinleyville?
Two: plant Mar 18 and again by Sep 12; both mature before Nov 10.
When do I plant garlic in Mckinleyville?
Nov 3 to Nov 24; it overwinters and is ready the following summer.
Can I get two tomato crops in Mckinleyville?
Yes: plant out Apr 29 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?
Arcata (ZIP 95521) has 308 frost-free days, 106 more than Mckinleyville (ZIP 95519). See Arcata ZIP 95521 frost dates
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