Frost Dates for Marana, AZ 85658
Marana has 2 ZIP codes. The Marana, AZ frost page lists all of them with their dates.
Last spring frost March 14 · First fall frost November 19 · 250 frost-free days · USDA Zone 9b
ZIP 85658 has about 16,100 people, one of 2 ZIP codes in Marana.
Very long season: 250 frost-free days. Spring frost risk spans February 14–April 11 (56 days). Fall frost risk spans November 5–November 23 (18 days).
Frost probability for 85658
| Frost | 10% | 50% | 90% |
|---|---|---|---|
| Spring (last frost) | April 11 | March 14 | February 14 |
| Fall (first frost) | November 5 | November 19 | November 23 |
Dates come from NOAA 1971–2000 freeze probabilities at TUCSON CAMP AVE EXP (32.5 km away); the 50% date is the median year.
Which crops fit a 250-day season in Marana
In Marana (250 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 | Feb 7 | Mar 28–Apr 4 | 208 | fits: 80 days to maturity, 208 available after Mar 28. | Jul 20 |
| Pepper | Jan 31 | Mar 28–Apr 4 | 208 | fits: 75 days to maturity, 208 available after Mar 28. | Jul 25 |
| Lettuce | Jan 17 | Feb 14–Feb 21 | 285 | two-plantings: Plant Feb 14 and again by Sep 28; both mature before Nov 26. | Sep 28 |
| Carrots | — | Feb 21–Feb 28 | 292 | fits: 70 days to maturity, 292 available after Feb 21. | Sep 17 |
| Cucumber | Feb 21 | Mar 28–Apr 4 | 222 | two-plantings: Plant Mar 28 and again by Aug 23; both mature before Nov 5. | Aug 23 |
| Beans | — | Mar 21–Apr 4 | 236 | two-plantings: Plant Mar 21 and again by Aug 30; both mature before Nov 12. | Aug 30 |
| Peas | — | Jan 17–Mar 28 | 313 | fits: 65 days to maturity, 313 available after Jan 17. | Sep 8 |
| Zucchini | Feb 28 | Mar 28–Apr 4 | 222 | two-plantings: Plant Mar 28 and again by Aug 28; both mature before Nov 5. | Aug 28 |
| Onion | Dec 20 | Feb 14–Feb 28 | 285 | fits: 100 days to maturity, 285 available after Feb 14. | — |
| Spinach | — | Jan 17–Mar 7 | 327 | two-plantings: Plant Jan 17 and again by Oct 17; both mature before Dec 10. | Oct 17 |
| Kale | Jan 3 | Feb 14–Feb 28 | 299 | two-plantings: Plant Feb 14 and again by Oct 2; both mature before Dec 10. | Oct 2 |
| Broccoli | Jan 17 | Feb 14–Feb 28 | 285 | fits: 80 days to maturity, 285 available after Feb 14. | Aug 24 |
| Cabbage | Jan 17 | Feb 14–Feb 28 | 299 | fits: 70 days to maturity, 299 available after Feb 14. | Sep 17 |
| Radish | — | Jan 17–Apr 11 | 313 | two-plantings: Plant Jan 17 and again by Oct 18; both mature before Nov 26. | Oct 18 |
| Beets | — | Jan 17–Apr 11 | 313 | two-plantings: Plant Jan 17 and again by Sep 18; both mature before Nov 26. | Sep 18 |
| Potatoes | — | Feb 28–Mar 7 | 271 | fits: 90 days to maturity, 271 available after Feb 28. | — |
| Garlic | — | Nov 19 | 355 | overwinter: Plant Nov 19 to Dec 10; harvest the following summer. | Dec 10 |
| Strawberry | — | Feb 7–Apr 4 | 306 | perennial: A perennial: plant Feb 7; it fruits from the following year and keeps producing for several years. | — |
| Corn | Feb 14 | Mar 21–Mar 28 | 222 | fits: 75 days to maturity, 222 available after Mar 21. | Aug 1 |
| Pumpkin | Feb 28 | Mar 28–Mar 28 | 215 | fits: 100 days to maturity, 215 available after Mar 28. | Jul 7 |
| Cauliflower | Jan 31 | Mar 7–Mar 21 | 264 | fits: 75 days to maturity, 264 available after Mar 7. | Aug 29 |
| Swiss Chard | Jan 17 | Feb 28–Feb 28 | 271 | two-plantings: Plant Feb 28 and again by Sep 18; both mature before Nov 26. | Sep 18 |
| Arugula | — | Jan 17–Apr 11 | 327 | two-plantings: Plant Jan 17 and again by Oct 17; both mature before Dec 10. | Oct 17 |
| Brussel Sprouts | Jan 17 | Feb 14–Feb 28 | 299 | fits: 100 days to maturity, 299 available after Feb 14. | Aug 18 |
| Butternut Squash | Feb 28 | Mar 28–Apr 4 | 215 | fits: 100 days to maturity, 215 available after Mar 28. | Jul 7 |
| Eggplant | Jan 24 | Mar 28–Apr 4 | 208 | fits: 70 days to maturity, 208 available after Mar 28. | Jul 30 |
| Okra | Feb 14 | Mar 21–Mar 28 | 229 | two-plantings: Plant Mar 21 and again by Aug 28; both mature before Nov 5. | Aug 28 |
| Basil | Feb 7 | Apr 4–Apr 4 | 215 | two-plantings: Plant Apr 4 and again by Aug 23; both mature before Nov 5. | Aug 23 |
| Cilantro | — | Feb 14–Mar 7 | 285 | two-plantings: Plant Feb 14 and again by Sep 23; both mature before Nov 26. | Sep 23 |
| Parsley | Jan 3 | Mar 21–Mar 28 | 250 | fits: 70 days to maturity, 250 available after Mar 21. | Sep 3 |
| Celery | Jan 3 | Mar 21–Apr 4 | 250 | fits: 120 days to maturity, 250 available after Mar 21. | Jul 15 |
| Scallions | Jan 3 | Feb 14–Feb 28 | 299 | two-plantings: Plant Feb 14 and again by Sep 27; both mature before Dec 10. | Sep 27 |
| Turnip | — | Feb 14–Feb 28 | 299 | two-plantings: Plant Feb 14 and again by Oct 7; both mature before Dec 10. | Oct 7 |
| Kohlrabi | — | Jan 31–Feb 14 | 313 | two-plantings: Plant Jan 31 and again by Oct 2; both mature before Dec 10. | Oct 2 |
| Bok Choy | Feb 14 | Mar 7–Mar 14 | 264 | two-plantings: Plant Mar 7 and again by Sep 28; both mature before Nov 26. | Sep 28 |
| Collards | Jan 3 | Feb 14–Feb 28 | 299 | two-plantings: Plant Feb 14 and again by Sep 27; both mature before Dec 10. | Sep 27 |
| Cantaloupe | Feb 28 | Mar 28–Apr 4 | 208 | fits: 85 days to maturity, 208 available after Mar 28. | Jul 15 |
| Chives | Dec 20 | Mar 21–Mar 28 | 264 | fits: 90 days to maturity, 264 available after Mar 21. | — |
| Dill | — | Jan 17–Apr 11 | 313 | two-plantings: Plant Jan 17 and again by Sep 18; both mature before Nov 26. | Sep 18 |
| Oregano | Jan 3 | Mar 21–Mar 28 | 264 | fits: 80 days to maturity, 264 available after Mar 21. | — |
| Rosemary | Dec 20 | Mar 21–Mar 28 | 250 | fits: 80 days to maturity, 250 available after Mar 21. | — |
| Sage | Jan 17 | Mar 21–Mar 28 | 264 | fits: 75 days to maturity, 264 available after Mar 21. | — |
| Thyme | Jan 3 | Mar 21–Mar 28 | 264 | fits: 90 days to maturity, 264 available after Mar 21. | — |
| Calendula | Jan 31 | Feb 28–Mar 14 | 271 | two-plantings: Plant Feb 28 and again by Sep 23; both mature before Nov 26. | Sep 23 |
| Cosmos | Feb 14 | Mar 14–Mar 28 | 236 | two-plantings: Plant Mar 14 and again by Aug 23; both mature before Nov 5. | Aug 23 |
| Lavender | Dec 20 | Mar 14–Mar 28 | 271 | fits: 90 days to maturity, 271 available after Mar 14. | — |
| Marigolds | Jan 31 | Mar 14–Mar 21 | 236 | two-plantings: Plant Mar 14 and again by Sep 2; both mature before Nov 5. | Sep 2 |
| Melons | Feb 28 | Mar 28–Apr 4 | 208 | fits: 85 days to maturity, 208 available after Mar 28. | Jul 15 |
| Mint | — | Mar 14–Mar 28 | 271 | fits: 90 days to maturity, 271 available after Mar 14. | — |
| Nasturtiums | Feb 14 | Mar 14–Mar 21 | 236 | two-plantings: Plant Mar 14 and again by Aug 28; both mature before Nov 5. | Aug 28 |
| Pole Beans | — | Mar 21–Apr 4 | 229 | fits: 65 days to maturity, 229 available after Mar 21. | Aug 18 |
| Spaghetti Squash | Feb 28 | Mar 28–Apr 4 | 215 | fits: 90 days to maturity, 215 available after Mar 28. | Jul 17 |
| Sunflowers | — | Mar 14–Mar 28 | 236 | fits: 70 days to maturity, 236 available after Mar 14. | Aug 13 |
| Tomatillos | Jan 17 | Mar 21–Mar 28 | 215 | fits: 75 days to maturity, 215 available after Mar 21. | Jul 25 |
| Watermelon | Feb 28 | Mar 21–Mar 28 | 215 | fits: 80 days to maturity, 215 available after Mar 21. | Jul 20 |
| Yellow Squash | Feb 28 | Mar 28–Apr 4 | 222 | two-plantings: Plant Mar 28 and again by Aug 28; both mature before Nov 5. | Aug 28 |
| Zinnias | Feb 14 | Mar 14–Mar 28 | 236 | two-plantings: Plant Mar 14 and again by Aug 23; both mature before Nov 5. | Aug 23 |
Month by month in Marana
| Month | What to do |
|---|---|
| January | Start indoors: Celery (Jan 3), Collards (Jan 3), Kale (Jan 3), Oregano (Jan 3), Parsley (Jan 3), Scallions (Jan 3), +13 more. Direct sow from: Arugula (Jan 17), Beets (Jan 17), Dill (Jan 17), Peas (Jan 17), Radish (Jan 17), Spinach (Jan 17), +1 more. |
| February | Start indoors: Basil (Feb 7), Tomato (Feb 7), Bok Choy (Feb 14), Corn (Feb 14), Cosmos (Feb 14), Nasturtiums (Feb 14), +11 more. Direct sow from: Cilantro (Feb 14), Turnip (Feb 14), Carrots (Feb 21), Potatoes (Feb 28). Transplant from: Broccoli (Feb 14), Brussel Sprouts (Feb 14), Cabbage (Feb 14), Collards (Feb 14), Kale (Feb 14), Lettuce (Feb 14), +4 more. Plant: Strawberry (Feb 7). |
| March | Direct sow from: Sunflowers (Mar 14), Beans (Mar 21), Pole Beans (Mar 21). Transplant from: Bok Choy (Mar 7), Cauliflower (Mar 7), Cosmos (Mar 14), Lavender (Mar 14), Marigolds (Mar 14), Mint (Mar 14), +24 more. Last frost around March 14. |
| April | Transplant from: Basil (Apr 4). |
| 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 7), Pumpkin (Jul 7), Cantaloupe (Jul 15), Celery (Jul 15), Melons (Jul 15), Spaghetti Squash (Jul 17), +5 more. |
| August | Last sowing dates: Corn (Aug 1), Sunflowers (Aug 13), Brussel Sprouts (Aug 18), Pole Beans (Aug 18), Basil (Aug 23), Cosmos (Aug 23), +9 more. |
| September | Last sowing dates: Marigolds (Sep 2), Parsley (Sep 3), Peas (Sep 8), Cabbage (Sep 17), Carrots (Sep 17), Beets (Sep 18), +8 more. |
| October | Last sowing dates: Kale (Oct 2), Kohlrabi (Oct 2), Turnip (Oct 7), Arugula (Oct 17), Spinach (Oct 17), Radish (Oct 18). |
| November | Direct sow from: Garlic (Nov 19). First frost around November 19. |
| December | Start indoors: Chives (Dec 20), Lavender (Dec 20), Onion (Dec 20), Rosemary (Dec 20). Last sowing dates: Garlic (Dec 10). |
Frequently Asked Questions
What is the last frost date for Marana, AZ (ZIP 85658)?
The median last spring frost date for Marana, AZ (ZIP code 85658) is around March 14. 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 14; one in ten it runs past April 11.
What is the first fall frost date in Marana, AZ?
The median first fall frost date for Marana, AZ is around November 19. 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 5 in the earliest one-in-ten years, so cover tomatoes and peppers from then.
How long is the growing season in Marana, AZ?
The frost-free growing season in Marana is about 250 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 Marana (250 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 Marana, AZ?
Marana, AZ 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 Marana, AZ?
Start tomatoes indoors Feb 7 and plant out Mar 28 in Marana. The planner uses the local median last frost and this crop's indoor-start and transplant offsets.
How many plantings of lettuce fit in Marana?
Two: plant Feb 14 and again by Sep 28; both mature before Nov 26.
When do I plant garlic in Marana?
Nov 19 to Dec 10; it overwinters and is ready the following summer.
Can I get two tomato crops in Marana?
Yes: plant out Mar 28 for a summer crop, and set out a second round of transplants by Jul 20 for a fall crop.
Which nearby ZIP has a longer season?
Eloy (ZIP 85131) has 271 frost-free days, 21 more than Marana (ZIP 85658). See Eloy ZIP 85131 frost dates
Nearby and related
- Frost dates for Marana, AZ 85653 (16.9 mi)
- Frost dates for Eloy, AZ 85131 (27.2 mi)
- Frost dates for Florence, AZ 85132 (27.7 mi)
- Frost dates for Tucson, AZ 85710 (28.1 mi)
- Frost dates for Arizona City, AZ 85123 (34.1 mi)
- When to plant in AZ
- When to plant Peppers in AZ
- When to plant Cucumbers in AZ
- When to plant Zucchini in AZ
- When to plant Butternut Squash in AZ
- When to plant Basil in AZ
- When to plant Sweet Corn in AZ
- Look up another ZIP