Frost Dates for Winslow, AZ 86047
Last spring frost May 8 · First fall frost October 13 · 158 frost-free days · USDA Zone 7a
ZIP 86047 has about 13,900 people.
Moderate season: 158 frost-free days. Spring frost risk spans April 18–May 28 (40 days). Fall frost risk spans September 26–October 30 (34 days).
Frost probability for 86047
| Frost | 10% | 50% | 90% |
|---|---|---|---|
| Spring (last frost) | May 28 | May 8 | April 18 |
| Fall (first frost) | September 26 | October 13 | October 30 |
Dates come from NOAA 1971–2000 freeze probabilities at HOLBROOK (53.4 km away); the 50% date is the median year.
Which crops fit a 158-day season in Winslow
In Winslow (158 frost-free days, a moderate season), 32 of 56 planner crops fit outright, 23 get two plantings, 1 crop is perennial.
| Crop | Start indoors | Plant out / sow | Days you have | Verdict | Last sow date |
|---|---|---|---|---|---|
| Tomato | Apr 3 | May 22–May 29 | 116 | fits: 80 days to maturity, 116 available after May 22. | Jun 13 |
| Pepper | Mar 27 | May 22–May 29 | 116 | fits: 75 days to maturity, 116 available after May 22. | Jun 18 |
| Lettuce | Mar 13 | Apr 10–Apr 17 | 193 | two-plantings: Plant Apr 10 and again by Aug 22; both mature before Oct 20. | Aug 22 |
| Carrots | — | Apr 17–Apr 24 | 200 | fits: 70 days to maturity, 200 available after Apr 17. | Aug 11 |
| Cucumber | Apr 17 | May 22–May 29 | 130 | fits: 60 days to maturity, 130 available after May 22. | Jul 17 |
| Beans | — | May 15–May 29 | 144 | two-plantings: Plant May 15 and again by Jul 24; both mature before Oct 6. | Jul 24 |
| Peas | — | Mar 13–May 22 | 221 | fits: 65 days to maturity, 221 available after Mar 13. | Aug 2 |
| Zucchini | Apr 24 | May 22–May 29 | 130 | two-plantings: Plant May 22 and again by Jul 22; both mature before Sep 29. | Jul 22 |
| Onion | Feb 13 | Apr 10–Apr 24 | 193 | fits: 100 days to maturity, 193 available after Apr 10. | — |
| Spinach | — | Mar 13–May 1 | 235 | two-plantings: Plant Mar 13 and again by Sep 10; both mature before Nov 3. | Sep 10 |
| Kale | Feb 27 | Apr 10–Apr 24 | 207 | two-plantings: Plant Apr 10 and again by Aug 26; both mature before Nov 3. | Aug 26 |
| Broccoli | Mar 13 | Apr 10–Apr 24 | 193 | fits: 80 days to maturity, 193 available after Apr 10. | Jul 18 |
| Cabbage | Mar 13 | Apr 10–Apr 24 | 207 | fits: 70 days to maturity, 207 available after Apr 10. | Aug 11 |
| Radish | — | Mar 13–Jun 5 | 221 | two-plantings: Plant Mar 13 and again by Sep 11; both mature before Oct 20. | Sep 11 |
| Beets | — | Mar 13–Jun 5 | 221 | two-plantings: Plant Mar 13 and again by Aug 12; both mature before Oct 20. | Aug 12 |
| Potatoes | — | Apr 24–May 1 | 179 | fits: 90 days to maturity, 179 available after Apr 24. | — |
| Garlic | — | Oct 13 | 263 | overwinter: Plant Oct 13 to Nov 3; harvest the following summer. | Nov 3 |
| Strawberry | — | Apr 3–May 29 | 214 | perennial: A perennial: plant Apr 3; it fruits from the following year and keeps producing for several years. | — |
| Corn | Apr 10 | May 15–May 22 | 130 | fits: 75 days to maturity, 130 available after May 15. | Jun 25 |
| Pumpkin | Apr 24 | May 22–May 22 | 123 | fits: 100 days to maturity, 123 available after May 22. | May 31 |
| Cauliflower | Mar 27 | May 1–May 15 | 172 | fits: 75 days to maturity, 172 available after May 1. | Jul 23 |
| Swiss Chard | Mar 13 | Apr 24–Apr 24 | 179 | two-plantings: Plant Apr 24 and again by Aug 12; both mature before Oct 20. | Aug 12 |
| Arugula | — | Mar 13–Jun 5 | 235 | two-plantings: Plant Mar 13 and again by Sep 10; both mature before Nov 3. | Sep 10 |
| Brussel Sprouts | Mar 13 | Apr 10–Apr 24 | 207 | fits: 100 days to maturity, 207 available after Apr 10. | Jul 12 |
| Butternut Squash | Apr 24 | May 22–May 29 | 123 | fits: 100 days to maturity, 123 available after May 22. | May 31 |
| Eggplant | Mar 20 | May 22–May 29 | 116 | fits: 70 days to maturity, 116 available after May 22. | Jun 23 |
| Okra | Apr 10 | May 15–May 22 | 137 | two-plantings: Plant May 15 and again by Jul 22; both mature before Sep 29. | Jul 22 |
| Basil | Apr 3 | May 29–May 29 | 123 | fits: 60 days to maturity, 123 available after May 29. | Jul 17 |
| Cilantro | — | Apr 10–May 1 | 193 | two-plantings: Plant Apr 10 and again by Aug 17; both mature before Oct 20. | Aug 17 |
| Parsley | Feb 27 | May 15–May 22 | 158 | fits: 70 days to maturity, 158 available after May 15. | Jul 28 |
| Celery | Feb 27 | May 15–May 29 | 158 | fits: 120 days to maturity, 158 available after May 15. | Jun 8 |
| Scallions | Feb 27 | Apr 10–Apr 24 | 207 | two-plantings: Plant Apr 10 and again by Aug 21; both mature before Nov 3. | Aug 21 |
| Turnip | — | Apr 10–Apr 24 | 207 | two-plantings: Plant Apr 10 and again by Aug 31; both mature before Nov 3. | Aug 31 |
| Kohlrabi | — | Mar 27–Apr 10 | 221 | two-plantings: Plant Mar 27 and again by Aug 26; both mature before Nov 3. | Aug 26 |
| Bok Choy | Apr 10 | May 1–May 8 | 172 | two-plantings: Plant May 1 and again by Aug 22; both mature before Oct 20. | Aug 22 |
| Collards | Feb 27 | Apr 10–Apr 24 | 207 | two-plantings: Plant Apr 10 and again by Aug 21; both mature before Nov 3. | Aug 21 |
| Cantaloupe | Apr 24 | May 22–May 29 | 116 | fits: 85 days to maturity, 116 available after May 22. | Jun 8 |
| Chives | Feb 13 | May 15–May 22 | 172 | fits: 90 days to maturity, 172 available after May 15. | — |
| Dill | — | Mar 13–Jun 5 | 221 | two-plantings: Plant Mar 13 and again by Aug 12; both mature before Oct 20. | Aug 12 |
| Oregano | Feb 27 | May 15–May 22 | 172 | fits: 80 days to maturity, 172 available after May 15. | — |
| Rosemary | Feb 13 | May 15–May 22 | 158 | fits: 80 days to maturity, 158 available after May 15. | — |
| Sage | Mar 13 | May 15–May 22 | 172 | fits: 75 days to maturity, 172 available after May 15. | — |
| Thyme | Feb 27 | May 15–May 22 | 172 | fits: 90 days to maturity, 172 available after May 15. | — |
| Calendula | Mar 27 | Apr 24–May 8 | 179 | two-plantings: Plant Apr 24 and again by Aug 17; both mature before Oct 20. | Aug 17 |
| Cosmos | Apr 10 | May 8–May 22 | 144 | two-plantings: Plant May 8 and again by Jul 17; both mature before Sep 29. | Jul 17 |
| Lavender | Feb 13 | May 8–May 22 | 179 | fits: 90 days to maturity, 179 available after May 8. | — |
| Marigolds | Mar 27 | May 8–May 15 | 144 | two-plantings: Plant May 8 and again by Jul 27; both mature before Sep 29. | Jul 27 |
| Melons | Apr 24 | May 22–May 29 | 116 | fits: 85 days to maturity, 116 available after May 22. | Jun 8 |
| Mint | — | May 8–May 22 | 179 | fits: 90 days to maturity, 179 available after May 8. | — |
| Nasturtiums | Apr 10 | May 8–May 15 | 144 | two-plantings: Plant May 8 and again by Jul 22; both mature before Sep 29. | Jul 22 |
| Pole Beans | — | May 15–May 29 | 137 | fits: 65 days to maturity, 137 available after May 15. | Jul 12 |
| Spaghetti Squash | Apr 24 | May 22–May 29 | 123 | fits: 90 days to maturity, 123 available after May 22. | Jun 10 |
| Sunflowers | — | May 8–May 22 | 144 | fits: 70 days to maturity, 144 available after May 8. | Jul 7 |
| Tomatillos | Mar 13 | May 15–May 22 | 123 | fits: 75 days to maturity, 123 available after May 15. | Jun 18 |
| Watermelon | Apr 24 | May 15–May 22 | 123 | fits: 80 days to maturity, 123 available after May 15. | Jun 13 |
| Yellow Squash | Apr 24 | May 22–May 29 | 130 | two-plantings: Plant May 22 and again by Jul 22; both mature before Sep 29. | Jul 22 |
| Zinnias | Apr 10 | May 8–May 22 | 144 | two-plantings: Plant May 8 and again by Jul 17; both mature before Sep 29. | Jul 17 |
Month by month in Winslow
| Month | What to do |
|---|---|
| January | Plan your garden layout and order seeds. Research varieties suited to your frost dates. |
| February | Start indoors: Chives (Feb 13), Lavender (Feb 13), Onion (Feb 13), Rosemary (Feb 13), Celery (Feb 27), Collards (Feb 27), +5 more. |
| March | Start indoors: Broccoli (Mar 13), Brussel Sprouts (Mar 13), Cabbage (Mar 13), Lettuce (Mar 13), Sage (Mar 13), Swiss Chard (Mar 13), +6 more. Direct sow from: Arugula (Mar 13), Beets (Mar 13), Dill (Mar 13), Peas (Mar 13), Radish (Mar 13), Spinach (Mar 13), +1 more. |
| April | Start indoors: Basil (Apr 3), Tomato (Apr 3), Bok Choy (Apr 10), Corn (Apr 10), Cosmos (Apr 10), Nasturtiums (Apr 10), +11 more. Direct sow from: Cilantro (Apr 10), Turnip (Apr 10), Carrots (Apr 17), Potatoes (Apr 24). Transplant from: Broccoli (Apr 10), Brussel Sprouts (Apr 10), Cabbage (Apr 10), Collards (Apr 10), Kale (Apr 10), Lettuce (Apr 10), +4 more. Plant: Strawberry (Apr 3). |
| May | Direct sow from: Sunflowers (May 8), Beans (May 15), Pole Beans (May 15). Transplant from: Bok Choy (May 1), Cauliflower (May 1), Cosmos (May 8), Lavender (May 8), Marigolds (May 8), Mint (May 8), +25 more. Last frost around May 8. Last sowing dates: Butternut Squash (May 31), Pumpkin (May 31). |
| June | Last sowing dates: Cantaloupe (Jun 8), Celery (Jun 8), Melons (Jun 8), Spaghetti Squash (Jun 10), Tomato (Jun 13), Watermelon (Jun 13), +4 more. |
| July | Last sowing dates: Sunflowers (Jul 7), Brussel Sprouts (Jul 12), Pole Beans (Jul 12), Basil (Jul 17), Cosmos (Jul 17), Cucumber (Jul 17), +10 more. |
| August | Last sowing dates: Peas (Aug 2), Cabbage (Aug 11), Carrots (Aug 11), Beets (Aug 12), Dill (Aug 12), Swiss Chard (Aug 12), +9 more. |
| September | Last sowing dates: Arugula (Sep 10), Spinach (Sep 10), Radish (Sep 11). |
| October | Direct sow from: Garlic (Oct 13). First frost around October 13. |
| November | Last sowing dates: Garlic (Nov 3). |
| December | Clean up spent plants. Add compost to beds. Rest, review, and plan next year's garden. |
Frequently Asked Questions
What is the last frost date for Winslow, AZ (ZIP 86047)?
The median last spring frost date for Winslow, AZ (ZIP code 86047) is around May 8. 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 18; one in ten it runs past May 28.
What is the first fall frost date in Winslow, AZ?
The median first fall frost date for Winslow, AZ is around October 13. 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 September 26 in the earliest one-in-ten years, so cover tomatoes and peppers from then.
How long is the growing season in Winslow, AZ?
The frost-free growing season in Winslow is about 158 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 Winslow (158 frost-free days, a moderate season), 32 of 56 planner crops fit outright, 23 get two plantings, 1 crop is perennial.
What USDA hardiness zone is Winslow, AZ?
Winslow, AZ is in USDA hardiness zone 7a (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 Winslow, AZ?
Start tomatoes indoors Apr 3 and plant out May 22 in Winslow. The planner uses the local median last frost and this crop's indoor-start and transplant offsets.
How many plantings of lettuce fit in Winslow?
Two: plant Apr 10 and again by Aug 22; both mature before Oct 20.
When do I plant garlic in Winslow?
Oct 13 to Nov 3; it overwinters and is ready the following summer.
Which nearby ZIP has a longer season?
Sedona (ZIP 86336) has 199 frost-free days, 41 more than Winslow (ZIP 86047). See Sedona ZIP 86336 frost dates
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