Frost dates for 85544Pine, AZ
The average last spring frost in Pine is April 9 and the average first fall frost is November 10, giving a typical growing season of about 211 days. Dates are based on NOAA 1991-2020 climate normals.
- Average last spring frost
- Apr 9
- Average first fall frost
- Nov 10
- Growing season
- 211 days
Safer after May 10 (1-in-10 risk)
Possible by Oct 21 (1-in-10 risk)
First frost typically in 14 days
Frost risk by date
NOAA reports frost dates as probabilities. The middle date is the average (a 50% chance). For spring, the 10% date is a safer planting date: frost after it happens in about 1 year in 10. Light frost (36°F) can damage tender plants; a hard freeze (28°F) kills most annuals.
| Temperature | Last spring: 90% / 50% / 10% chance | First fall: 10% / 50% / 90% chance | Growing season (50%) | Years with at least one |
|---|---|---|---|---|
| Light frost (36°F) | Apr 8 · Apr 30 · May 19 | Oct 14 · Oct 31 · Nov 14 | 183 days | 100% |
| Frost / freeze (32°F) | Mar 17 · Apr 9 · May 10 | Oct 21 · Nov 10 · Nov 24 | 211 days | 100% |
| Hard freeze (28°F) | Feb 20 · Mar 16 · Apr 14 | Nov 1 · Nov 20 · Dec 8 | 248 days | 100% |
Planting calendar for Pine
Planting windows from the University of Maryland Extension calendar, shifted to your average frost dates. Use them as a starting point and adjust for seed packet instructions and local conditions.
| Crop | Task | Window |
|---|---|---|
| Tomatoes | Start seeds indoors | Mar 9 – May 15 |
| Tomatoes | Transplant outdoors | Apr 25 – Jul 21 |
| Peppers | Start seeds indoors | Mar 9 – Apr 9 |
| Peppers | Transplant outdoors | May 9 – Jun 9 |
| Eggplant | Start seeds indoors | Mar 26 – Apr 24 |
| Eggplant | Transplant outdoors | May 9 – Jun 9 |
| Cucumbers | Sow outdoors | May 9 – Jul 31 |
| Summer squash | Sow outdoors | Apr 25 – Jun 9 |
| Winter squash & pumpkins | Sow outdoors | May 9 – Jun 9 |
| Snap beans | Sow outdoors | Apr 25 – Aug 23 |
| Sweet corn | Sow outdoors | Apr 25 – Jul 21 |
| Watermelon & cantaloupe | Sow outdoors | May 9 – Jun 9 |
| Okra | Sow outdoors | May 2 – May 25 |
| Peas | Sow outdoors (spring) | Mar 9 – Apr 24 |
| Potatoes | Plant outdoors (spring) | Mar 9 – May 9 |
| Onions | Start seeds indoors (spring) | Jan 26 – Feb 22 |
| Onions | Transplant outdoors (spring) | Mar 26 – Apr 24 |
| Broccoli | Start seeds indoors (spring) | Feb 19 – Mar 25 |
| Broccoli | Transplant outdoors (spring) | Mar 26 – Apr 24 |
| Broccoli | Start seeds indoors (fall) | Jul 11 – Jul 21 |
| Broccoli | Transplant outdoors (fall) | Aug 10 – Aug 21 |
| Cabbage | Start seeds indoors (spring) | Feb 9 – Mar 9 |
| Cabbage | Transplant outdoors (spring) | Mar 9 – Apr 9 |
| Cabbage | Start seeds indoors (fall) | Jul 1 – Jul 31 |
| Cabbage | Transplant outdoors (fall) | Jul 31 – Aug 31 |
| Leaf lettuce | Sow outdoors (spring) | Mar 9 – May 25 |
| Leaf lettuce | Sow outdoors (fall) | Jul 31 – Sep 16 |
| Spinach | Sow outdoors (spring) | Mar 2 – Apr 15 |
| Spinach | Sow outdoors (fall) | Aug 17 – Sep 21 |
| Radishes | Sow outdoors (spring) | Mar 9 – Apr 29 |
| Radishes | Sow outdoors (fall) | Jul 31 – Oct 1 |
| Kale | Sow outdoors (spring) | Mar 26 – Apr 15 |
| Kale | Sow outdoors (fall) | Jul 24 – Aug 31 |
| Carrots | Sow outdoors (spring) | Apr 9 – May 25 |
| Carrots | Sow outdoors (fall) | Jul 1 – Aug 16 |
| Garlic | Plant outdoors (fall) | Oct 31 – Dec 1 |
Where these dates come from
ZIP code 85544 is matched to the NOAA station Natural Brg, AZ, 7.9 km away, at 4,608 ft elevation (950 ft lower than the ZIP code's center). Nearby stations for comparison:
| Station | Elevation | Avg last frost | Avg first frost |
|---|---|---|---|
| Natural Brg, AZ (used) | 4,608 ft | Apr 9 | Nov 10 |
| Childs, AZ | 2,650 ft | Apr 2 | Nov 11 |
| Payson, AZ | 4,850 ft | Apr 29 | Oct 24 |
| Montezuma Castle Nm, AZ | 3,180 ft | Apr 16 | Oct 30 |
Frost dates near Pine
- Payson, AZ 85547 · last Apr 29, first Oct 24
- Camp Verde, AZ 86322 · last Apr 16, first Oct 30
- Happy Jack, AZ 86024 · last May 31, first Oct 2
- Rimrock, AZ 86335 · last Apr 16, first Oct 30
- Lake Montezuma, AZ 86342 · last Apr 16, first Oct 30
- Sedona, AZ 86341 · last Apr 1, first Nov 17
- Cornville, AZ 86325 · last Mar 30, first Nov 10
- Mayer, AZ 86333 · last Apr 5, first Nov 17
Frequently asked questions
- When is the last frost in Pine, AZ?
- For ZIP code 85544, the average last spring frost (32°F) is April 9, based on NOAA 1991-2020 climate normals for the Natural Brg, AZ weather station. There is a 1-in-10 chance of a frost after May 10.
- When is the first frost in Pine, AZ?
- The average first fall frost (32°F) is November 10. There is a 1-in-10 chance of frost by October 21, so tender plants are at risk from that point on.
- How long is the growing season in 85544?
- In half of years, the frost-free season (between the last and first 32°F frost) is at least 211 days long.
- Are these frost dates a forecast?
- No. They are 30-year averages and probabilities from NOAA weather station records. Use them to plan, then watch your local forecast before planting tender crops or leaving them uncovered.