Frost dates for 85927Greer, AZ
The average last spring frost in Greer is June 5 and the average first fall frost is September 29, giving a typical growing season of about 113 days. Dates are based on NOAA 1991-2020 climate normals.
- Average last spring frost
- Jun 5
- Average first fall frost
- Sep 29
- Growing season
- 113 days
Safer after Jun 20 (1-in-10 risk)
Possible by Sep 15 (1-in-10 risk)
Last frost typically in 221 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) | Jun 5 · Jun 17 · Jul 1 | Sep 4 · Sep 18 · Oct 1 | 92 days | 100% |
| Frost / freeze (32°F) | May 24 · Jun 5 · Jun 20 | Sep 15 · Sep 29 · Oct 9 | 113 days | 100% |
| Hard freeze (28°F) | May 8 · May 23 · Jun 8 | Sep 23 · Oct 5 · Oct 18 | 135 days | 100% |
Planting calendar for Greer
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 | May 5 – Jul 11 |
| Tomatoes | Transplant outdoors | Jun 21 – Jun 9 |
| Peppers | Start seeds indoors | May 5 – Jun 5 |
| Peppers | Transplant outdoors | Jul 5 – Aug 5 |
| Eggplant | Start seeds indoors | May 22 – Jun 20 |
| Eggplant | Transplant outdoors | Jul 5 – Aug 5 |
| Cucumbers | Sow outdoors | Jul 5 – Jun 19 |
| Summer squash | Sow outdoors | Jun 21 – Aug 5 |
| Winter squash & pumpkins | Sow outdoors | Jul 5 – Aug 5 |
| Snap beans | Sow outdoors | Jun 21 – Jul 12 |
| Sweet corn | Sow outdoors | Jun 21 – Jun 9 |
| Watermelon & cantaloupe | Sow outdoors | Jul 5 – Aug 5 |
| Okra | Sow outdoors | Jun 28 – Jul 21 |
| Peas | Sow outdoors (spring) | May 5 – Jun 20 |
| Potatoes | Plant outdoors (spring) | May 5 – Jul 5 |
| Onions | Start seeds indoors (spring) | Mar 24 – Apr 20 |
| Onions | Transplant outdoors (spring) | May 22 – Jun 20 |
| Broccoli | Start seeds indoors (spring) | Apr 17 – May 21 |
| Broccoli | Transplant outdoors (spring) | May 22 – Jun 20 |
| Broccoli | Start seeds indoors (fall) | May 30 – Jun 9 |
| Broccoli | Transplant outdoors (fall) | Jun 29 – Jul 10 |
| Cabbage | Start seeds indoors (spring) | Apr 7 – May 5 |
| Cabbage | Transplant outdoors (spring) | May 5 – Jun 5 |
| Cabbage | Start seeds indoors (fall) | May 20 – Jun 19 |
| Cabbage | Transplant outdoors (fall) | Jun 19 – Jul 20 |
| Leaf lettuce | Sow outdoors (spring) | May 5 – Jul 21 |
| Leaf lettuce | Sow outdoors (fall) | Jun 19 – Aug 5 |
| Spinach | Sow outdoors (spring) | Apr 28 – Jun 11 |
| Spinach | Sow outdoors (fall) | Jul 6 – Aug 10 |
| Radishes | Sow outdoors (spring) | May 5 – Jun 25 |
| Radishes | Sow outdoors (fall) | Jun 19 – Aug 20 |
| Kale | Sow outdoors (spring) | May 22 – Jun 11 |
| Kale | Sow outdoors (fall) | Jun 12 – Jul 20 |
| Carrots | Sow outdoors (spring) | Jun 5 – Jul 21 |
| Carrots | Sow outdoors (fall) | May 20 – Jul 5 |
| Garlic | Plant outdoors (fall) | Sep 19 – Oct 20 |
Where these dates come from
ZIP code 85927 is matched to the NOAA station Greer, AZ, 2.3 km away, at 8,275 ft elevation (285 ft lower than the ZIP code's center). Nearby stations for comparison:
| Station | Elevation | Avg last frost | Avg first frost |
|---|---|---|---|
| Greer, AZ (used) | 8,275 ft | Jun 5 | Sep 29 |
| Sunrise Mtn, AZ | 9,371 ft | Jun 18 | Sep 18 |
| Springerville, AZ | 6,998 ft | Jun 1 | Sep 26 |
| Alpine, AZ | 8,050 ft | Jun 15 | Sep 21 |
Frost dates near Greer
- Eagar, AZ 85925 · last Jun 1, first Sep 26
- Springerville, AZ 85938 · last Jun 1, first Sep 26
- Nutrioso, AZ 85932 · last Jun 15, first Sep 21
- Vernon, AZ 85940 · last May 22, first Oct 6
- Mcnary, AZ 85930 · last May 20, first Oct 11
- Alpine, AZ 85920 · last Jun 15, first Sep 21
- Pinetop, AZ 85935 · last May 22, first Oct 6
- Lakeside, AZ 85929 · last May 5, first Oct 15
Frequently asked questions
- When is the last frost in Greer, AZ?
- For ZIP code 85927, the average last spring frost (32°F) is June 5, based on NOAA 1991-2020 climate normals for the Greer, AZ weather station. There is a 1-in-10 chance of a frost after June 20.
- When is the first frost in Greer, AZ?
- The average first fall frost (32°F) is September 29. There is a 1-in-10 chance of frost by September 15, so tender plants are at risk from that point on.
- How long is the growing season in 85927?
- In half of years, the frost-free season (between the last and first 32°F frost) is at least 113 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.