Frost Dates for Golden Valley, AZ 86413
Last spring frost March 6 · First fall frost November 26 · 265 frost-free days · USDA Zone 9a
ZIP 86413 has about 13,100 people.
Very long season: 265 frost-free days. Spring frost risk spans February 5–April 5 (59 days). Fall frost risk spans November 12–December 7 (25 days).
Frost probability for 86413
| Frost | 10% | 50% | 90% |
|---|---|---|---|
| Spring (last frost) | April 5 | March 6 | February 5 |
| Fall (first frost) | November 12 | November 26 | December 7 |
Dates come from NOAA 1971–2000 freeze probabilities at YUCCA 1 NNE (34.4 km away); the 50% date is the median year.
Which crops fit a 265-day season in Golden Valley
In Golden Valley (265 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 30 | Mar 20–Mar 27 | 223 | fits: 80 days to maturity, 223 available after Mar 20. | Jul 27 |
| Pepper | Jan 23 | Mar 20–Mar 27 | 223 | fits: 75 days to maturity, 223 available after Mar 20. | Aug 1 |
| Lettuce | Jan 9 | Feb 6–Feb 13 | 300 | two-plantings: Plant Feb 6 and again by Oct 5; both mature before Dec 3. | Oct 5 |
| Carrots | — | Feb 13–Feb 20 | 307 | fits: 70 days to maturity, 307 available after Feb 13. | Sep 24 |
| Cucumber | Feb 13 | Mar 20–Mar 27 | 237 | two-plantings: Plant Mar 20 and again by Aug 30; both mature before Nov 12. | Aug 30 |
| Beans | — | Mar 13–Mar 27 | 251 | two-plantings: Plant Mar 13 and again by Sep 6; both mature before Nov 19. | Sep 6 |
| Peas | — | Jan 9–Mar 20 | 328 | fits: 65 days to maturity, 328 available after Jan 9. | Sep 15 |
| Zucchini | Feb 20 | Mar 20–Mar 27 | 237 | two-plantings: Plant Mar 20 and again by Sep 4; both mature before Nov 12. | Sep 4 |
| Onion | Dec 12 | Feb 6–Feb 20 | 300 | fits: 100 days to maturity, 300 available after Feb 6. | — |
| Spinach | — | Jan 9–Feb 27 | 342 | two-plantings: Plant Jan 9 and again by Oct 24; both mature before Dec 17. | Oct 24 |
| Kale | Dec 26 | Feb 6–Feb 20 | 314 | two-plantings: Plant Feb 6 and again by Oct 9; both mature before Dec 17. | Oct 9 |
| Broccoli | Jan 9 | Feb 6–Feb 20 | 300 | fits: 80 days to maturity, 300 available after Feb 6. | Aug 31 |
| Cabbage | Jan 9 | Feb 6–Feb 20 | 314 | fits: 70 days to maturity, 314 available after Feb 6. | Sep 24 |
| Radish | — | Jan 9–Apr 3 | 328 | two-plantings: Plant Jan 9 and again by Oct 25; both mature before Dec 3. | Oct 25 |
| Beets | — | Jan 9–Apr 3 | 328 | two-plantings: Plant Jan 9 and again by Sep 25; both mature before Dec 3. | Sep 25 |
| Potatoes | — | Feb 20–Feb 27 | 286 | fits: 90 days to maturity, 286 available after Feb 20. | — |
| Garlic | — | Nov 26 | 370 | overwinter: Plant Nov 26 to Dec 17; harvest the following summer. | Dec 17 |
| Strawberry | — | Jan 30–Mar 27 | 321 | perennial: A perennial: plant Jan 30; it fruits from the following year and keeps producing for several years. | — |
| Corn | Feb 6 | Mar 13–Mar 20 | 237 | fits: 75 days to maturity, 237 available after Mar 13. | Aug 8 |
| Pumpkin | Feb 20 | Mar 20–Mar 20 | 230 | fits: 100 days to maturity, 230 available after Mar 20. | Jul 14 |
| Cauliflower | Jan 23 | Feb 27–Mar 13 | 279 | fits: 75 days to maturity, 279 available after Feb 27. | Sep 5 |
| Swiss Chard | Jan 9 | Feb 20–Feb 20 | 286 | two-plantings: Plant Feb 20 and again by Sep 25; both mature before Dec 3. | Sep 25 |
| Arugula | — | Jan 9–Apr 3 | 342 | two-plantings: Plant Jan 9 and again by Oct 24; both mature before Dec 17. | Oct 24 |
| Brussel Sprouts | Jan 9 | Feb 6–Feb 20 | 314 | fits: 100 days to maturity, 314 available after Feb 6. | Aug 25 |
| Butternut Squash | Feb 20 | Mar 20–Mar 27 | 230 | fits: 100 days to maturity, 230 available after Mar 20. | Jul 14 |
| Eggplant | Jan 16 | Mar 20–Mar 27 | 223 | fits: 70 days to maturity, 223 available after Mar 20. | Aug 6 |
| Okra | Feb 6 | Mar 13–Mar 20 | 244 | two-plantings: Plant Mar 13 and again by Sep 4; both mature before Nov 12. | Sep 4 |
| Basil | Jan 30 | Mar 27–Mar 27 | 230 | two-plantings: Plant Mar 27 and again by Aug 30; both mature before Nov 12. | Aug 30 |
| Cilantro | — | Feb 6–Feb 27 | 300 | two-plantings: Plant Feb 6 and again by Sep 30; both mature before Dec 3. | Sep 30 |
| Parsley | Dec 26 | Mar 13–Mar 20 | 265 | fits: 70 days to maturity, 265 available after Mar 13. | Sep 10 |
| Celery | Dec 26 | Mar 13–Mar 27 | 265 | fits: 120 days to maturity, 265 available after Mar 13. | Jul 22 |
| Scallions | Dec 26 | Feb 6–Feb 20 | 314 | two-plantings: Plant Feb 6 and again by Oct 4; both mature before Dec 17. | Oct 4 |
| Turnip | — | Feb 6–Feb 20 | 314 | two-plantings: Plant Feb 6 and again by Oct 14; both mature before Dec 17. | Oct 14 |
| Kohlrabi | — | Jan 23–Feb 6 | 328 | two-plantings: Plant Jan 23 and again by Oct 9; both mature before Dec 17. | Oct 9 |
| Bok Choy | Feb 6 | Feb 27–Mar 6 | 279 | two-plantings: Plant Feb 27 and again by Oct 5; both mature before Dec 3. | Oct 5 |
| Collards | Dec 26 | Feb 6–Feb 20 | 314 | two-plantings: Plant Feb 6 and again by Oct 4; both mature before Dec 17. | Oct 4 |
| Cantaloupe | Feb 20 | Mar 20–Mar 27 | 223 | fits: 85 days to maturity, 223 available after Mar 20. | Jul 22 |
| Chives | Dec 12 | Mar 13–Mar 20 | 279 | fits: 90 days to maturity, 279 available after Mar 13. | — |
| Dill | — | Jan 9–Apr 3 | 328 | two-plantings: Plant Jan 9 and again by Sep 25; both mature before Dec 3. | Sep 25 |
| Oregano | Dec 26 | Mar 13–Mar 20 | 279 | fits: 80 days to maturity, 279 available after Mar 13. | — |
| Rosemary | Dec 12 | Mar 13–Mar 20 | 265 | fits: 80 days to maturity, 265 available after Mar 13. | — |
| Sage | Jan 9 | Mar 13–Mar 20 | 279 | fits: 75 days to maturity, 279 available after Mar 13. | — |
| Thyme | Dec 26 | Mar 13–Mar 20 | 279 | fits: 90 days to maturity, 279 available after Mar 13. | — |
| Calendula | Jan 23 | Feb 20–Mar 6 | 286 | two-plantings: Plant Feb 20 and again by Sep 30; both mature before Dec 3. | Sep 30 |
| Cosmos | Feb 6 | Mar 6–Mar 20 | 251 | two-plantings: Plant Mar 6 and again by Aug 30; both mature before Nov 12. | Aug 30 |
| Lavender | Dec 12 | Mar 6–Mar 20 | 286 | fits: 90 days to maturity, 286 available after Mar 6. | — |
| Marigolds | Jan 23 | Mar 6–Mar 13 | 251 | two-plantings: Plant Mar 6 and again by Sep 9; both mature before Nov 12. | Sep 9 |
| Melons | Feb 20 | Mar 20–Mar 27 | 223 | fits: 85 days to maturity, 223 available after Mar 20. | Jul 22 |
| Mint | — | Mar 6–Mar 20 | 286 | fits: 90 days to maturity, 286 available after Mar 6. | — |
| Nasturtiums | Feb 6 | Mar 6–Mar 13 | 251 | two-plantings: Plant Mar 6 and again by Sep 4; both mature before Nov 12. | Sep 4 |
| Pole Beans | — | Mar 13–Mar 27 | 244 | fits: 65 days to maturity, 244 available after Mar 13. | Aug 25 |
| Spaghetti Squash | Feb 20 | Mar 20–Mar 27 | 230 | fits: 90 days to maturity, 230 available after Mar 20. | Jul 24 |
| Sunflowers | — | Mar 6–Mar 20 | 251 | fits: 70 days to maturity, 251 available after Mar 6. | Aug 20 |
| Tomatillos | Jan 9 | Mar 13–Mar 20 | 230 | fits: 75 days to maturity, 230 available after Mar 13. | Aug 1 |
| Watermelon | Feb 20 | Mar 13–Mar 20 | 230 | fits: 80 days to maturity, 230 available after Mar 13. | Jul 27 |
| Yellow Squash | Feb 20 | Mar 20–Mar 27 | 237 | two-plantings: Plant Mar 20 and again by Sep 4; both mature before Nov 12. | Sep 4 |
| Zinnias | Feb 6 | Mar 6–Mar 20 | 251 | two-plantings: Plant Mar 6 and again by Aug 30; both mature before Nov 12. | Aug 30 |
Month by month in Golden Valley
| Month | What to do |
|---|---|
| January | Start indoors: Broccoli (Jan 9), Brussel Sprouts (Jan 9), Cabbage (Jan 9), Lettuce (Jan 9), Sage (Jan 9), Swiss Chard (Jan 9), +8 more. Direct sow from: Arugula (Jan 9), Beets (Jan 9), Dill (Jan 9), Peas (Jan 9), Radish (Jan 9), Spinach (Jan 9), +1 more. Plant: Strawberry (Jan 30). |
| February | Start indoors: Bok Choy (Feb 6), Corn (Feb 6), Cosmos (Feb 6), Nasturtiums (Feb 6), Okra (Feb 6), Zinnias (Feb 6), +9 more. Direct sow from: Cilantro (Feb 6), Turnip (Feb 6), Carrots (Feb 13), Potatoes (Feb 20). Transplant from: Broccoli (Feb 6), Brussel Sprouts (Feb 6), Cabbage (Feb 6), Collards (Feb 6), Kale (Feb 6), Lettuce (Feb 6), +6 more. |
| March | Direct sow from: Sunflowers (Mar 6), Beans (Mar 13), Pole Beans (Mar 13). Transplant from: Cosmos (Mar 6), Lavender (Mar 6), Marigolds (Mar 6), Mint (Mar 6), Nasturtiums (Mar 6), Zinnias (Mar 6), +23 more. Last frost around March 6. |
| April | Frost has passed. Transplant tomatoes, peppers, and basil outdoors. Direct sow beans, cucumbers, squash, and zucchini. |
| 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 14), Pumpkin (Jul 14), Cantaloupe (Jul 22), Celery (Jul 22), Melons (Jul 22), Spaghetti Squash (Jul 24), +2 more. |
| August | Last sowing dates: Pepper (Aug 1), Tomatillos (Aug 1), Eggplant (Aug 6), Corn (Aug 8), Sunflowers (Aug 20), Brussel Sprouts (Aug 25), +6 more. |
| September | Last sowing dates: Nasturtiums (Sep 4), Okra (Sep 4), Yellow Squash (Sep 4), Zucchini (Sep 4), Cauliflower (Sep 5), Beans (Sep 6), +10 more. |
| October | Last sowing dates: Collards (Oct 4), Scallions (Oct 4), Bok Choy (Oct 5), Lettuce (Oct 5), Kale (Oct 9), Kohlrabi (Oct 9), +4 more. |
| November | Direct sow from: Garlic (Nov 26). First frost around November 26. |
| December | Start indoors: Chives (Dec 12), Lavender (Dec 12), Onion (Dec 12), Rosemary (Dec 12), Celery (Dec 26), Collards (Dec 26), +5 more. Last sowing dates: Garlic (Dec 17). |
Frequently Asked Questions
What is the last frost date for Golden Valley, AZ (ZIP 86413)?
The median last spring frost date for Golden Valley, AZ (ZIP code 86413) is around March 6. 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 5; one in ten it runs past April 5.
What is the first fall frost date in Golden Valley, AZ?
The median first fall frost date for Golden Valley, AZ is around November 26. 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 12 in the earliest one-in-ten years, so cover tomatoes and peppers from then.
How long is the growing season in Golden Valley, AZ?
The frost-free growing season in Golden Valley is about 265 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 Golden Valley (265 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 Golden Valley, AZ?
Golden Valley, AZ 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 Golden Valley, AZ?
Start tomatoes indoors Jan 30 and plant out Mar 20 in Golden Valley. The planner uses the local median last frost and this crop's indoor-start and transplant offsets.
How many plantings of lettuce fit in Golden Valley?
Two: plant Feb 6 and again by Oct 5; both mature before Dec 3.
When do I plant garlic in Golden Valley?
Nov 26 to Dec 17; it overwinters and is ready the following summer.
Can I get two tomato crops in Golden Valley?
Yes: plant out Mar 20 for a summer crop, and set out a second round of transplants by Jul 27 for a fall crop.
Which nearby ZIP has a longer season?
Boulder City (ZIP 89005) has 314 frost-free days, 49 more than Golden Valley (ZIP 86413). See Boulder City ZIP 89005 frost dates
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