Frost dates for 27314Prospect Hill, NC
The average last spring frost in Prospect Hill is March 31 and the average first fall frost is November 4, giving a typical growing season of about 218 days. Dates are based on NOAA 1991-2020 climate normals.
- Average last spring frost
- Mar 31
- Average first fall frost
- Nov 4
- Growing season
- 218 days
Safer after Apr 14 (1-in-10 risk)
Possible by Oct 22 (1-in-10 risk)
First frost typically in 1 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) | Mar 30 · Apr 13 · Apr 30 | Oct 14 · Oct 26 · Nov 6 | 195 days | 100% |
| Frost / freeze (32°F) | Mar 16 · Mar 31 · Apr 14 | Oct 22 · Nov 4 · Nov 19 | 218 days | 100% |
| Hard freeze (28°F) | Mar 1 · Mar 20 · Apr 2 | Nov 2 · Nov 15 · Dec 4 | 241 days | 100% |
Planting calendar for Prospect Hill
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 | Feb 28 – May 6 |
| Tomatoes | Transplant outdoors | Apr 16 – Jul 15 |
| Peppers | Start seeds indoors | Feb 28 – Mar 31 |
| Peppers | Transplant outdoors | Apr 30 – May 31 |
| Eggplant | Start seeds indoors | Mar 17 – Apr 15 |
| Eggplant | Transplant outdoors | Apr 30 – May 31 |
| Cucumbers | Sow outdoors | Apr 30 – Jul 25 |
| Summer squash | Sow outdoors | Apr 16 – May 31 |
| Winter squash & pumpkins | Sow outdoors | Apr 30 – May 31 |
| Snap beans | Sow outdoors | Apr 16 – Aug 17 |
| Sweet corn | Sow outdoors | Apr 16 – Jul 15 |
| Watermelon & cantaloupe | Sow outdoors | Apr 30 – May 31 |
| Okra | Sow outdoors | Apr 23 – May 16 |
| Peas | Sow outdoors (spring) | Feb 28 – Apr 15 |
| Potatoes | Plant outdoors (spring) | Feb 28 – Apr 30 |
| Onions | Start seeds indoors (spring) | Jan 17 – Feb 13 |
| Onions | Transplant outdoors (spring) | Mar 17 – Apr 15 |
| Broccoli | Start seeds indoors (spring) | Feb 10 – Mar 16 |
| Broccoli | Transplant outdoors (spring) | Mar 17 – Apr 15 |
| Broccoli | Start seeds indoors (fall) | Jul 5 – Jul 15 |
| Broccoli | Transplant outdoors (fall) | Aug 4 – Aug 15 |
| Cabbage | Start seeds indoors (spring) | Jan 31 – Feb 28 |
| Cabbage | Transplant outdoors (spring) | Feb 28 – Mar 31 |
| Cabbage | Start seeds indoors (fall) | Jun 25 – Jul 25 |
| Cabbage | Transplant outdoors (fall) | Jul 25 – Aug 25 |
| Leaf lettuce | Sow outdoors (spring) | Feb 28 – May 16 |
| Leaf lettuce | Sow outdoors (fall) | Jul 25 – Sep 10 |
| Spinach | Sow outdoors (spring) | Feb 21 – Apr 6 |
| Spinach | Sow outdoors (fall) | Aug 11 – Sep 15 |
| Radishes | Sow outdoors (spring) | Feb 28 – Apr 20 |
| Radishes | Sow outdoors (fall) | Jul 25 – Sep 25 |
| Kale | Sow outdoors (spring) | Mar 17 – Apr 6 |
| Kale | Sow outdoors (fall) | Jul 18 – Aug 25 |
| Carrots | Sow outdoors (spring) | Mar 31 – May 16 |
| Carrots | Sow outdoors (fall) | Jun 25 – Aug 10 |
| Garlic | Plant outdoors (fall) | Oct 25 – Nov 25 |
Where these dates come from
ZIP code 27314 is matched to the NOAA station Yanceyville 4 Se, NC, 10 km away, at 635 ft elevation (5 ft higher than the ZIP code's center). Nearby stations for comparison:
| Station | Elevation | Avg last frost | Avg first frost |
|---|---|---|---|
| Yanceyville 4 Se, NC (used) | 635 ft | Mar 31 | Nov 4 |
| Haw Rvr 1E, NC | 636 ft | Apr 4 | Nov 3 |
| Roxboro 7 Ese, NC | 710 ft | Apr 15 | Oct 26 |
| Danville 2 Se, VA | 392 ft | Apr 8 | Nov 1 |
Frost dates near Prospect Hill
- Cedar Grove, NC 27231 · last Apr 15, first Oct 26
- Hurdle Mills, NC 27541 · last Apr 15, first Oct 26
- Leasburg, NC 27291 · last Apr 10, first Oct 28
- Yanceyville, NC 27379 · last Apr 8, first Nov 1
- Blanch, NC 27212 · last Apr 10, first Oct 28
- Mebane, NC 27302 · last Mar 29, first Nov 9
- Efland, NC 27243 · last Mar 29, first Nov 9
- Roxboro, NC 27574 · last Apr 15, first Oct 26
Frequently asked questions
- When is the last frost in Prospect Hill, NC?
- For ZIP code 27314, the average last spring frost (32°F) is March 31, based on NOAA 1991-2020 climate normals for the Yanceyville 4 Se, NC weather station. There is a 1-in-10 chance of a frost after April 14.
- When is the first frost in Prospect Hill, NC?
- The average first fall frost (32°F) is November 4. There is a 1-in-10 chance of frost by October 22, so tender plants are at risk from that point on.
- How long is the growing season in 27314?
- In half of years, the frost-free season (between the last and first 32°F frost) is at least 218 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.