Frost dates for 28660Olin, NC
The average last spring frost in Olin is April 16 and the average first fall frost is October 25, giving a typical growing season of about 191 days. Dates are based on NOAA 1991-2020 climate normals.
- Average last spring frost
- Apr 16
- Average first fall frost
- Oct 25
- Growing season
- 191 days
Safer after May 1 (1-in-10 risk)
Possible by Oct 13 (1-in-10 risk)
Last frost typically in 165 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 12 · Apr 28 · May 12 | Oct 4 · Oct 17 · Oct 29 | 171 days | 100% |
| Frost / freeze (32°F) | Apr 2 · Apr 16 · May 1 | Oct 13 · Oct 25 · Nov 5 | 191 days | 100% |
| Hard freeze (28°F) | Mar 17 · Apr 3 · Apr 17 | Oct 23 · Nov 3 · Nov 18 | 214 days | 100% |
Planting calendar for Olin
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 16 – May 22 |
| Tomatoes | Transplant outdoors | May 2 – Jul 5 |
| Peppers | Start seeds indoors | Mar 16 – Apr 16 |
| Peppers | Transplant outdoors | May 16 – Jun 16 |
| Eggplant | Start seeds indoors | Apr 2 – May 1 |
| Eggplant | Transplant outdoors | May 16 – Jun 16 |
| Cucumbers | Sow outdoors | May 16 – Jul 15 |
| Summer squash | Sow outdoors | May 2 – Jun 16 |
| Winter squash & pumpkins | Sow outdoors | May 16 – Jun 16 |
| Snap beans | Sow outdoors | May 2 – Aug 7 |
| Sweet corn | Sow outdoors | May 2 – Jul 5 |
| Watermelon & cantaloupe | Sow outdoors | May 16 – Jun 16 |
| Okra | Sow outdoors | May 9 – Jun 1 |
| Peas | Sow outdoors (spring) | Mar 16 – May 1 |
| Potatoes | Plant outdoors (spring) | Mar 16 – May 16 |
| Onions | Start seeds indoors (spring) | Feb 2 – Mar 1 |
| Onions | Transplant outdoors (spring) | Apr 2 – May 1 |
| Broccoli | Start seeds indoors (spring) | Feb 26 – Apr 1 |
| Broccoli | Transplant outdoors (spring) | Apr 2 – May 1 |
| Broccoli | Start seeds indoors (fall) | Jun 25 – Jul 5 |
| Broccoli | Transplant outdoors (fall) | Jul 25 – Aug 5 |
| Cabbage | Start seeds indoors (spring) | Feb 16 – Mar 16 |
| Cabbage | Transplant outdoors (spring) | Mar 16 – Apr 16 |
| Cabbage | Start seeds indoors (fall) | Jun 15 – Jul 15 |
| Cabbage | Transplant outdoors (fall) | Jul 15 – Aug 15 |
| Leaf lettuce | Sow outdoors (spring) | Mar 16 – Jun 1 |
| Leaf lettuce | Sow outdoors (fall) | Jul 15 – Aug 31 |
| Spinach | Sow outdoors (spring) | Mar 9 – Apr 22 |
| Spinach | Sow outdoors (fall) | Aug 1 – Sep 5 |
| Radishes | Sow outdoors (spring) | Mar 16 – May 6 |
| Radishes | Sow outdoors (fall) | Jul 15 – Sep 15 |
| Kale | Sow outdoors (spring) | Apr 2 – Apr 22 |
| Kale | Sow outdoors (fall) | Jul 8 – Aug 15 |
| Carrots | Sow outdoors (spring) | Apr 16 – Jun 1 |
| Carrots | Sow outdoors (fall) | Jun 15 – Jul 31 |
| Garlic | Plant outdoors (fall) | Oct 15 – Nov 15 |
Where these dates come from
ZIP code 28660 is matched to the NOAA station Statesville 2 Nne, NC, 16.8 km away, at 803 ft elevation (122 ft lower than the ZIP code's center). Nearby stations for comparison:
| Station | Elevation | Avg last frost | Avg first frost |
|---|---|---|---|
| Statesville 2 Nne, NC (used) | 803 ft | Apr 16 | Oct 25 |
| Taylorsville, NC | 1,320 ft | Apr 2 | Nov 4 |
| Elkin, NC | 910 ft | Apr 15 | Oct 26 |
| Yadkinville 6 E, NC | 875 ft | Apr 16 | Oct 25 |
Frost dates near Olin
- Turnersburg, NC 28688 · last Apr 16, first Oct 25
- Harmony, NC 28634 · last Apr 16, first Oct 25
- Union Grove, NC 28689 · last Apr 10, first Oct 29
- Statesville, NC 28625 · last Apr 16, first Oct 25
- Hiddenite, NC 28636 · last Apr 2, first Nov 4
- Hamptonville, NC 27020 · last Apr 16, first Oct 25
- Scotts, NC 28699 · last Apr 16, first Oct 25
- Stony Point, NC 28678 · last Apr 2, first Nov 4
Frequently asked questions
- When is the last frost in Olin, NC?
- For ZIP code 28660, the average last spring frost (32°F) is April 16, based on NOAA 1991-2020 climate normals for the Statesville 2 Nne, NC weather station. There is a 1-in-10 chance of a frost after May 1.
- When is the first frost in Olin, NC?
- The average first fall frost (32°F) is October 25. There is a 1-in-10 chance of frost by October 13, so tender plants are at risk from that point on.
- How long is the growing season in 28660?
- In half of years, the frost-free season (between the last and first 32°F frost) is at least 191 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.