Frost Dates for Kingman, AZ 86401
Kingman has 2 ZIP codes. The Kingman, AZ frost page lists all of them with their dates.
Last spring frost March 26 · First fall frost November 15 · 234 frost-free days · USDA Zone 8b
ZIP 86401 has about 30,100 people, one of 2 ZIP codes in Kingman.
Long season: 234 frost-free days. Spring frost risk spans February 24–April 24 (59 days). Fall frost risk spans October 29–December 10 (42 days).
Frost probability for 86401
| Frost | 10% | 50% | 90% |
|---|---|---|---|
| Spring (last frost) | April 24 | March 26 | February 24 |
| Fall (first frost) | October 29 | November 15 | December 10 |
Dates come from NOAA 1971–2000 freeze probabilities at WIKIEUP (45.8 km away); the 50% date is the median year.
Which crops fit a 234-day season in Kingman
In Kingman (234 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 | Feb 19 | Apr 9–Apr 16 | 192 | fits: 80 days to maturity, 192 available after Apr 9. | Jul 16 |
| Pepper | Feb 12 | Apr 9–Apr 16 | 192 | fits: 75 days to maturity, 192 available after Apr 9. | Jul 21 |
| Lettuce | Jan 29 | Feb 26–Mar 5 | 269 | two-plantings: Plant Feb 26 and again by Sep 24; both mature before Nov 22. | Sep 24 |
| Carrots | — | Mar 5–Mar 12 | 276 | fits: 70 days to maturity, 276 available after Mar 5. | Sep 13 |
| Cucumber | Mar 5 | Apr 9–Apr 16 | 206 | two-plantings: Plant Apr 9 and again by Aug 19; both mature before Nov 1. | Aug 19 |
| Beans | — | Apr 2–Apr 16 | 220 | two-plantings: Plant Apr 2 and again by Aug 26; both mature before Nov 8. | Aug 26 |
| Peas | — | Jan 29–Apr 9 | 297 | fits: 65 days to maturity, 297 available after Jan 29. | Sep 4 |
| Zucchini | Mar 12 | Apr 9–Apr 16 | 206 | two-plantings: Plant Apr 9 and again by Aug 24; both mature before Nov 1. | Aug 24 |
| Onion | Jan 1 | Feb 26–Mar 12 | 269 | fits: 100 days to maturity, 269 available after Feb 26. | — |
| Spinach | — | Jan 29–Mar 19 | 311 | two-plantings: Plant Jan 29 and again by Oct 13; both mature before Dec 6. | Oct 13 |
| Kale | Jan 15 | Feb 26–Mar 12 | 283 | two-plantings: Plant Feb 26 and again by Sep 28; both mature before Dec 6. | Sep 28 |
| Broccoli | Jan 29 | Feb 26–Mar 12 | 269 | fits: 80 days to maturity, 269 available after Feb 26. | Aug 20 |
| Cabbage | Jan 29 | Feb 26–Mar 12 | 283 | fits: 70 days to maturity, 283 available after Feb 26. | Sep 13 |
| Radish | — | Jan 29–Apr 23 | 297 | two-plantings: Plant Jan 29 and again by Oct 14; both mature before Nov 22. | Oct 14 |
| Beets | — | Jan 29–Apr 23 | 297 | two-plantings: Plant Jan 29 and again by Sep 14; both mature before Nov 22. | Sep 14 |
| Potatoes | — | Mar 12–Mar 19 | 255 | fits: 90 days to maturity, 255 available after Mar 12. | — |
| Garlic | — | Nov 15 | 339 | overwinter: Plant Nov 15 to Dec 6; harvest the following summer. | Dec 6 |
| Strawberry | — | Feb 19–Apr 16 | 290 | perennial: A perennial: plant Feb 19; it fruits from the following year and keeps producing for several years. | — |
| Corn | Feb 26 | Apr 2–Apr 9 | 206 | fits: 75 days to maturity, 206 available after Apr 2. | Jul 28 |
| Pumpkin | Mar 12 | Apr 9–Apr 9 | 199 | fits: 100 days to maturity, 199 available after Apr 9. | Jul 3 |
| Cauliflower | Feb 12 | Mar 19–Apr 2 | 248 | fits: 75 days to maturity, 248 available after Mar 19. | Aug 25 |
| Swiss Chard | Jan 29 | Mar 12–Mar 12 | 255 | two-plantings: Plant Mar 12 and again by Sep 14; both mature before Nov 22. | Sep 14 |
| Arugula | — | Jan 29–Apr 23 | 311 | two-plantings: Plant Jan 29 and again by Oct 13; both mature before Dec 6. | Oct 13 |
| Brussel Sprouts | Jan 29 | Feb 26–Mar 12 | 283 | fits: 100 days to maturity, 283 available after Feb 26. | Aug 14 |
| Butternut Squash | Mar 12 | Apr 9–Apr 16 | 199 | fits: 100 days to maturity, 199 available after Apr 9. | Jul 3 |
| Eggplant | Feb 5 | Apr 9–Apr 16 | 192 | fits: 70 days to maturity, 192 available after Apr 9. | Jul 26 |
| Okra | Feb 26 | Apr 2–Apr 9 | 213 | two-plantings: Plant Apr 2 and again by Aug 24; both mature before Nov 1. | Aug 24 |
| Basil | Feb 19 | Apr 16–Apr 16 | 199 | two-plantings: Plant Apr 16 and again by Aug 19; both mature before Nov 1. | Aug 19 |
| Cilantro | — | Feb 26–Mar 19 | 269 | two-plantings: Plant Feb 26 and again by Sep 19; both mature before Nov 22. | Sep 19 |
| Parsley | Jan 15 | Apr 2–Apr 9 | 234 | fits: 70 days to maturity, 234 available after Apr 2. | Aug 30 |
| Celery | Jan 15 | Apr 2–Apr 16 | 234 | fits: 120 days to maturity, 234 available after Apr 2. | Jul 11 |
| Scallions | Jan 15 | Feb 26–Mar 12 | 283 | two-plantings: Plant Feb 26 and again by Sep 23; both mature before Dec 6. | Sep 23 |
| Turnip | — | Feb 26–Mar 12 | 283 | two-plantings: Plant Feb 26 and again by Oct 3; both mature before Dec 6. | Oct 3 |
| Kohlrabi | — | Feb 12–Feb 26 | 297 | two-plantings: Plant Feb 12 and again by Sep 28; both mature before Dec 6. | Sep 28 |
| Bok Choy | Feb 26 | Mar 19–Mar 26 | 248 | two-plantings: Plant Mar 19 and again by Sep 24; both mature before Nov 22. | Sep 24 |
| Collards | Jan 15 | Feb 26–Mar 12 | 283 | two-plantings: Plant Feb 26 and again by Sep 23; both mature before Dec 6. | Sep 23 |
| Cantaloupe | Mar 12 | Apr 9–Apr 16 | 192 | fits: 85 days to maturity, 192 available after Apr 9. | Jul 11 |
| Chives | Jan 1 | Apr 2–Apr 9 | 248 | fits: 90 days to maturity, 248 available after Apr 2. | — |
| Dill | — | Jan 29–Apr 23 | 297 | two-plantings: Plant Jan 29 and again by Sep 14; both mature before Nov 22. | Sep 14 |
| Oregano | Jan 15 | Apr 2–Apr 9 | 248 | fits: 80 days to maturity, 248 available after Apr 2. | — |
| Rosemary | Jan 1 | Apr 2–Apr 9 | 234 | fits: 80 days to maturity, 234 available after Apr 2. | — |
| Sage | Jan 29 | Apr 2–Apr 9 | 248 | fits: 75 days to maturity, 248 available after Apr 2. | — |
| Thyme | Jan 15 | Apr 2–Apr 9 | 248 | fits: 90 days to maturity, 248 available after Apr 2. | — |
| Calendula | Feb 12 | Mar 12–Mar 26 | 255 | two-plantings: Plant Mar 12 and again by Sep 19; both mature before Nov 22. | Sep 19 |
| Cosmos | Feb 26 | Mar 26–Apr 9 | 220 | two-plantings: Plant Mar 26 and again by Aug 19; both mature before Nov 1. | Aug 19 |
| Lavender | Jan 1 | Mar 26–Apr 9 | 255 | fits: 90 days to maturity, 255 available after Mar 26. | — |
| Marigolds | Feb 12 | Mar 26–Apr 2 | 220 | two-plantings: Plant Mar 26 and again by Aug 29; both mature before Nov 1. | Aug 29 |
| Melons | Mar 12 | Apr 9–Apr 16 | 192 | fits: 85 days to maturity, 192 available after Apr 9. | Jul 11 |
| Mint | — | Mar 26–Apr 9 | 255 | fits: 90 days to maturity, 255 available after Mar 26. | — |
| Nasturtiums | Feb 26 | Mar 26–Apr 2 | 220 | two-plantings: Plant Mar 26 and again by Aug 24; both mature before Nov 1. | Aug 24 |
| Pole Beans | — | Apr 2–Apr 16 | 213 | fits: 65 days to maturity, 213 available after Apr 2. | Aug 14 |
| Spaghetti Squash | Mar 12 | Apr 9–Apr 16 | 199 | fits: 90 days to maturity, 199 available after Apr 9. | Jul 13 |
| Sunflowers | — | Mar 26–Apr 9 | 220 | fits: 70 days to maturity, 220 available after Mar 26. | Aug 9 |
| Tomatillos | Jan 29 | Apr 2–Apr 9 | 199 | fits: 75 days to maturity, 199 available after Apr 2. | Jul 21 |
| Watermelon | Mar 12 | Apr 2–Apr 9 | 199 | fits: 80 days to maturity, 199 available after Apr 2. | Jul 16 |
| Yellow Squash | Mar 12 | Apr 9–Apr 16 | 206 | two-plantings: Plant Apr 9 and again by Aug 24; both mature before Nov 1. | Aug 24 |
| Zinnias | Feb 26 | Mar 26–Apr 9 | 220 | two-plantings: Plant Mar 26 and again by Aug 19; both mature before Nov 1. | Aug 19 |
Month by month in Kingman
| Month | What to do |
|---|---|
| January | Start indoors: Chives (Jan 1), Lavender (Jan 1), Onion (Jan 1), Rosemary (Jan 1), Celery (Jan 15), Collards (Jan 15), +12 more. Direct sow from: Arugula (Jan 29), Beets (Jan 29), Dill (Jan 29), Peas (Jan 29), Radish (Jan 29), Spinach (Jan 29). |
| February | Start indoors: Eggplant (Feb 5), Calendula (Feb 12), Cauliflower (Feb 12), Marigolds (Feb 12), Pepper (Feb 12), Basil (Feb 19), +7 more. Direct sow from: Kohlrabi (Feb 12), Cilantro (Feb 26), Turnip (Feb 26). Transplant from: Broccoli (Feb 26), Brussel Sprouts (Feb 26), Cabbage (Feb 26), Collards (Feb 26), Kale (Feb 26), Lettuce (Feb 26), +2 more. Plant: Strawberry (Feb 19). |
| March | Start indoors: Cucumber (Mar 5), Butternut Squash (Mar 12), Cantaloupe (Mar 12), Melons (Mar 12), Pumpkin (Mar 12), Spaghetti Squash (Mar 12), +3 more. Direct sow from: Carrots (Mar 5), Potatoes (Mar 12), Sunflowers (Mar 26). Transplant from: Calendula (Mar 12), Swiss Chard (Mar 12), Bok Choy (Mar 19), Cauliflower (Mar 19), Cosmos (Mar 26), Lavender (Mar 26), +4 more. Last frost around March 26. |
| April | Direct sow from: Beans (Apr 2), Pole Beans (Apr 2). Transplant from: Celery (Apr 2), Chives (Apr 2), Corn (Apr 2), Okra (Apr 2), Oregano (Apr 2), Parsley (Apr 2), +17 more. |
| May | Succession plant lettuce and greens. Keep beds weeded and watered consistently. |
| June | Harvest regularly to encourage production. Monitor for pests and disease. |
| July | Last sowing dates: Butternut Squash (Jul 3), Pumpkin (Jul 3), Cantaloupe (Jul 11), Celery (Jul 11), Melons (Jul 11), Spaghetti Squash (Jul 13), +6 more. |
| August | Last sowing dates: Sunflowers (Aug 9), Brussel Sprouts (Aug 14), Pole Beans (Aug 14), Basil (Aug 19), Cosmos (Aug 19), Cucumber (Aug 19), +10 more. |
| September | Last sowing dates: Peas (Sep 4), Cabbage (Sep 13), Carrots (Sep 13), Beets (Sep 14), Dill (Sep 14), Swiss Chard (Sep 14), +8 more. |
| October | Last sowing dates: Turnip (Oct 3), Arugula (Oct 13), Spinach (Oct 13), Radish (Oct 14). |
| November | Direct sow from: Garlic (Nov 15). First frost around November 15. |
| December | Last sowing dates: Garlic (Dec 6). |
Frequently Asked Questions
What is the last frost date for Kingman, AZ (ZIP 86401)?
The median last spring frost date for Kingman, AZ (ZIP code 86401) is around March 26. 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 February 24; one in ten it runs past April 24.
What is the first fall frost date in Kingman, AZ?
The median first fall frost date for Kingman, AZ is around November 15. 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 29 in the earliest one-in-ten years, so cover tomatoes and peppers from then.
How long is the growing season in Kingman, AZ?
The frost-free growing season in Kingman is about 234 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 Kingman (234 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 Kingman, AZ?
Kingman, AZ is in USDA hardiness zone 8b (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 Kingman, AZ?
Start tomatoes indoors Feb 19 and plant out Apr 9 in Kingman. The planner uses the local median last frost and this crop's indoor-start and transplant offsets.
How many plantings of lettuce fit in Kingman?
Two: plant Feb 26 and again by Sep 24; both mature before Nov 22.
When do I plant garlic in Kingman?
Nov 15 to Dec 6; it overwinters and is ready the following summer.
Can I get two tomato crops in Kingman?
Yes: plant out Apr 9 for a summer crop, and set out a second round of transplants by Jul 16 for a fall crop.
Which nearby ZIP has a longer season?
Kingman (ZIP 86409) has 265 frost-free days, 31 more than Kingman (ZIP 86401). See Kingman ZIP 86409 frost dates
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