Frost Dates for Show Low, AZ 85901
Last spring frost May 15 · First fall frost October 11 · 149 frost-free days · USDA Zone 7a
ZIP 85901 has about 19,500 people, the largest of 2 ZIP codes in Show Low.
Moderate season: 149 frost-free days. Spring frost risk spans April 30–May 31 (31 days). Fall frost risk spans September 26–October 24 (28 days).
Frost probability for 85901
| Frost | 10% | 50% | 90% |
|---|---|---|---|
| Spring (last frost) | May 31 | May 15 | April 30 |
| Fall (first frost) | September 26 | October 11 | October 24 |
Dates come from NOAA 1971–2000 freeze probabilities at SNOWFLAKE (25.1 km away); the 50% date is the median year.
Frost dates by ZIP code in Show Low, AZ
| ZIP | Last spring frost (50%) | First fall frost (50%) | Zone |
|---|---|---|---|
| 85901 | May 15 | October 11 | 7a |
| 85902 | May 13 | October 13 | 7a |
Which crops fit a 149-day season in Show Low
In Show Low (149 frost-free days, a moderate season), 34 of 56 planner crops fit outright, 21 get two plantings, 1 crop is perennial.
| Crop | Start indoors | Plant out / sow | Days you have | Verdict | Last sow date |
|---|---|---|---|---|---|
| Tomato | Apr 10 | May 29–Jun 5 | 107 | fits: 80 days to maturity, 107 available after May 29. | Jun 11 |
| Pepper | Apr 3 | May 29–Jun 5 | 107 | fits: 75 days to maturity, 107 available after May 29. | Jun 16 |
| Lettuce | Mar 20 | Apr 17–Apr 24 | 184 | two-plantings: Plant Apr 17 and again by Aug 20; both mature before Oct 18. | Aug 20 |
| Carrots | — | Apr 24–May 1 | 191 | fits: 70 days to maturity, 191 available after Apr 24. | Aug 9 |
| Cucumber | Apr 24 | May 29–Jun 5 | 121 | fits: 60 days to maturity, 121 available after May 29. | Jul 15 |
| Beans | — | May 22–Jun 5 | 135 | two-plantings: Plant May 22 and again by Jul 22; both mature before Oct 4. | Jul 22 |
| Peas | — | Mar 20–May 29 | 212 | fits: 65 days to maturity, 212 available after Mar 20. | Jul 31 |
| Zucchini | May 1 | May 29–Jun 5 | 121 | fits: 55 days to maturity, 121 available after May 29. | Jul 20 |
| Onion | Feb 20 | Apr 17–May 1 | 184 | fits: 100 days to maturity, 184 available after Apr 17. | — |
| Spinach | — | Mar 20–May 8 | 226 | two-plantings: Plant Mar 20 and again by Sep 8; both mature before Nov 1. | Sep 8 |
| Kale | Mar 6 | Apr 17–May 1 | 198 | two-plantings: Plant Apr 17 and again by Aug 24; both mature before Nov 1. | Aug 24 |
| Broccoli | Mar 20 | Apr 17–May 1 | 184 | fits: 80 days to maturity, 184 available after Apr 17. | Jul 16 |
| Cabbage | Mar 20 | Apr 17–May 1 | 198 | fits: 70 days to maturity, 198 available after Apr 17. | Aug 9 |
| Radish | — | Mar 20–Jun 12 | 212 | two-plantings: Plant Mar 20 and again by Sep 9; both mature before Oct 18. | Sep 9 |
| Beets | — | Mar 20–Jun 12 | 212 | two-plantings: Plant Mar 20 and again by Aug 10; both mature before Oct 18. | Aug 10 |
| Potatoes | — | May 1–May 8 | 170 | fits: 90 days to maturity, 170 available after May 1. | — |
| Garlic | — | Oct 11 | 254 | overwinter: Plant Oct 11 to Nov 1; harvest the following summer. | Nov 1 |
| Strawberry | — | Apr 10–Jun 5 | 205 | perennial: A perennial: plant Apr 10; it fruits from the following year and keeps producing for several years. | — |
| Corn | Apr 17 | May 22–May 29 | 121 | fits: 75 days to maturity, 121 available after May 22. | Jun 23 |
| Pumpkin | May 1 | May 29–May 29 | 114 | fits: 100 days to maturity, 114 available after May 29. | — |
| Cauliflower | Apr 3 | May 8–May 22 | 163 | fits: 75 days to maturity, 163 available after May 8. | Jul 21 |
| Swiss Chard | Mar 20 | May 1–May 1 | 170 | two-plantings: Plant May 1 and again by Aug 10; both mature before Oct 18. | Aug 10 |
| Arugula | — | Mar 20–Jun 12 | 226 | two-plantings: Plant Mar 20 and again by Sep 8; both mature before Nov 1. | Sep 8 |
| Brussel Sprouts | Mar 20 | Apr 17–May 1 | 198 | fits: 100 days to maturity, 198 available after Apr 17. | Jul 10 |
| Butternut Squash | May 1 | May 29–Jun 5 | 114 | fits: 100 days to maturity, 114 available after May 29. | — |
| Eggplant | Mar 27 | May 29–Jun 5 | 107 | fits: 70 days to maturity, 107 available after May 29. | Jun 21 |
| Okra | Apr 17 | May 22–May 29 | 128 | two-plantings: Plant May 22 and again by Jul 20; both mature before Sep 27. | Jul 20 |
| Basil | Apr 10 | Jun 5–Jun 5 | 114 | fits: 60 days to maturity, 114 available after Jun 5. | Jul 15 |
| Cilantro | — | Apr 17–May 8 | 184 | two-plantings: Plant Apr 17 and again by Aug 15; both mature before Oct 18. | Aug 15 |
| Parsley | Mar 6 | May 22–May 29 | 149 | fits: 70 days to maturity, 149 available after May 22. | Jul 26 |
| Celery | Mar 6 | May 22–Jun 5 | 149 | fits: 120 days to maturity, 149 available after May 22. | Jun 6 |
| Scallions | Mar 6 | Apr 17–May 1 | 198 | two-plantings: Plant Apr 17 and again by Aug 19; both mature before Nov 1. | Aug 19 |
| Turnip | — | Apr 17–May 1 | 198 | two-plantings: Plant Apr 17 and again by Aug 29; both mature before Nov 1. | Aug 29 |
| Kohlrabi | — | Apr 3–Apr 17 | 212 | two-plantings: Plant Apr 3 and again by Aug 24; both mature before Nov 1. | Aug 24 |
| Bok Choy | Apr 17 | May 8–May 15 | 163 | two-plantings: Plant May 8 and again by Aug 20; both mature before Oct 18. | Aug 20 |
| Collards | Mar 6 | Apr 17–May 1 | 198 | two-plantings: Plant Apr 17 and again by Aug 19; both mature before Nov 1. | Aug 19 |
| Cantaloupe | May 1 | May 29–Jun 5 | 107 | fits: 85 days to maturity, 107 available after May 29. | Jun 6 |
| Chives | Feb 20 | May 22–May 29 | 163 | fits: 90 days to maturity, 163 available after May 22. | — |
| Dill | — | Mar 20–Jun 12 | 212 | two-plantings: Plant Mar 20 and again by Aug 10; both mature before Oct 18. | Aug 10 |
| Oregano | Mar 6 | May 22–May 29 | 163 | fits: 80 days to maturity, 163 available after May 22. | — |
| Rosemary | Feb 20 | May 22–May 29 | 149 | fits: 80 days to maturity, 149 available after May 22. | — |
| Sage | Mar 20 | May 22–May 29 | 163 | fits: 75 days to maturity, 163 available after May 22. | — |
| Thyme | Mar 6 | May 22–May 29 | 163 | fits: 90 days to maturity, 163 available after May 22. | — |
| Calendula | Apr 3 | May 1–May 15 | 170 | two-plantings: Plant May 1 and again by Aug 15; both mature before Oct 18. | Aug 15 |
| Cosmos | Apr 17 | May 15–May 29 | 135 | two-plantings: Plant May 15 and again by Jul 15; both mature before Sep 27. | Jul 15 |
| Lavender | Feb 20 | May 15–May 29 | 170 | fits: 90 days to maturity, 170 available after May 15. | — |
| Marigolds | Apr 3 | May 15–May 22 | 135 | two-plantings: Plant May 15 and again by Jul 25; both mature before Sep 27. | Jul 25 |
| Melons | May 1 | May 29–Jun 5 | 107 | fits: 85 days to maturity, 107 available after May 29. | Jun 6 |
| Mint | — | May 15–May 29 | 170 | fits: 90 days to maturity, 170 available after May 15. | — |
| Nasturtiums | Apr 17 | May 15–May 22 | 135 | two-plantings: Plant May 15 and again by Jul 20; both mature before Sep 27. | Jul 20 |
| Pole Beans | — | May 22–Jun 5 | 128 | fits: 65 days to maturity, 128 available after May 22. | Jul 10 |
| Spaghetti Squash | May 1 | May 29–Jun 5 | 114 | fits: 90 days to maturity, 114 available after May 29. | Jun 8 |
| Sunflowers | — | May 15–May 29 | 135 | fits: 70 days to maturity, 135 available after May 15. | Jul 5 |
| Tomatillos | Mar 20 | May 22–May 29 | 114 | fits: 75 days to maturity, 114 available after May 22. | Jun 16 |
| Watermelon | May 1 | May 22–May 29 | 114 | fits: 80 days to maturity, 114 available after May 22. | Jun 11 |
| Yellow Squash | May 1 | May 29–Jun 5 | 121 | fits: 55 days to maturity, 121 available after May 29. | Jul 20 |
| Zinnias | Apr 17 | May 15–May 29 | 135 | two-plantings: Plant May 15 and again by Jul 15; both mature before Sep 27. | Jul 15 |
Month by month in Show Low
| Month | What to do |
|---|---|
| January | Plan your garden layout and order seeds. Research varieties suited to your frost dates. |
| February | Start indoors: Chives (Feb 20), Lavender (Feb 20), Onion (Feb 20), Rosemary (Feb 20). |
| March | Start indoors: Celery (Mar 6), Collards (Mar 6), Kale (Mar 6), Oregano (Mar 6), Parsley (Mar 6), Scallions (Mar 6), +9 more. Direct sow from: Arugula (Mar 20), Beets (Mar 20), Dill (Mar 20), Peas (Mar 20), Radish (Mar 20), Spinach (Mar 20). |
| April | Start indoors: Calendula (Apr 3), Cauliflower (Apr 3), Marigolds (Apr 3), Pepper (Apr 3), Basil (Apr 10), Tomato (Apr 10), +7 more. Direct sow from: Kohlrabi (Apr 3), Cilantro (Apr 17), Turnip (Apr 17), Carrots (Apr 24). Transplant from: Broccoli (Apr 17), Brussel Sprouts (Apr 17), Cabbage (Apr 17), Collards (Apr 17), Kale (Apr 17), Lettuce (Apr 17), +2 more. Plant: Strawberry (Apr 10). |
| May | Start indoors: Butternut Squash (May 1), Cantaloupe (May 1), Melons (May 1), Pumpkin (May 1), Spaghetti Squash (May 1), Watermelon (May 1), +2 more. Direct sow from: Potatoes (May 1), Sunflowers (May 15), Beans (May 22), Pole Beans (May 22). Transplant from: Calendula (May 1), Swiss Chard (May 1), Bok Choy (May 8), Cauliflower (May 8), Cosmos (May 15), Lavender (May 15), +26 more. Last frost around May 15. |
| June | Transplant from: Basil (Jun 5). Last sowing dates: Cantaloupe (Jun 6), Celery (Jun 6), Melons (Jun 6), Spaghetti Squash (Jun 8), Tomato (Jun 11), Watermelon (Jun 11), +4 more. |
| July | Last sowing dates: Sunflowers (Jul 5), Brussel Sprouts (Jul 10), Pole Beans (Jul 10), Basil (Jul 15), Cosmos (Jul 15), Cucumber (Jul 15), +11 more. |
| August | Last sowing dates: Cabbage (Aug 9), Carrots (Aug 9), Beets (Aug 10), Dill (Aug 10), Swiss Chard (Aug 10), Calendula (Aug 15), +8 more. |
| September | Last sowing dates: Arugula (Sep 8), Spinach (Sep 8), Radish (Sep 9). |
| October | Direct sow from: Garlic (Oct 11). First frost around October 11. |
| November | Last sowing dates: Garlic (Nov 1). |
| 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 Show Low, AZ (ZIP 85901)?
The median last spring frost date for Show Low, AZ (ZIP code 85901) is around May 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 30; one in ten it runs past May 31.
What is the first fall frost date in Show Low, AZ?
The median first fall frost date for Show Low, AZ is around October 11. 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 Show Low, AZ?
The frost-free growing season in Show Low is about 149 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 Show Low (149 frost-free days, a moderate season), 34 of 56 planner crops fit outright, 21 get two plantings, 1 crop is perennial.
What USDA hardiness zone is Show Low, AZ?
Show Low, 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 Show Low, AZ?
Start tomatoes indoors Apr 10 and plant out May 29 in Show Low. The planner uses the local median last frost and this crop's indoor-start and transplant offsets.
How many plantings of lettuce fit in Show Low?
Two: plant Apr 17 and again by Aug 20; both mature before Oct 18.
When do I plant garlic in Show Low?
Oct 11 to Nov 1; it overwinters and is ready the following summer.
Which nearby ZIP has a longer season?
Globe (ZIP 85501) has 267 frost-free days, 118 more than Show Low (ZIP 85901). See Globe ZIP 85501 frost dates
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