Frost dates for 28606Boomer, NC
The average last spring frost in Boomer is April 7 and the average first fall frost is November 1, giving a typical growing season of about 208 days. Dates are based on NOAA 1991-2020 climate normals.
- Average last spring frost
- Apr 7
- Average first fall frost
- Nov 1
- Growing season
- 208 days
Safer after Apr 22 (1-in-10 risk)
Possible by Oct 19 (1-in-10 risk)
Last frost typically in 155 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 7 · Apr 21 · May 9 | Oct 11 · Oct 24 · Nov 4 | 184 days | 100% |
| Frost / freeze (32°F) | Mar 24 · Apr 7 · Apr 22 | Oct 19 · Nov 1 · Nov 12 | 208 days | 100% |
| Hard freeze (28°F) | Mar 8 · Mar 26 · Apr 10 | Oct 29 · Nov 11 · Nov 28 | 231 days | 100% |
Planting calendar for Boomer
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 7 – May 13 |
| Tomatoes | Transplant outdoors | Apr 23 – Jul 12 |
| Peppers | Start seeds indoors | Mar 7 – Apr 7 |
| Peppers | Transplant outdoors | May 7 – Jun 7 |
| Eggplant | Start seeds indoors | Mar 24 – Apr 22 |
| Eggplant | Transplant outdoors | May 7 – Jun 7 |
| Cucumbers | Sow outdoors | May 7 – Jul 22 |
| Summer squash | Sow outdoors | Apr 23 – Jun 7 |
| Winter squash & pumpkins | Sow outdoors | May 7 – Jun 7 |
| Snap beans | Sow outdoors | Apr 23 – Aug 14 |
| Sweet corn | Sow outdoors | Apr 23 – Jul 12 |
| Watermelon & cantaloupe | Sow outdoors | May 7 – Jun 7 |
| Okra | Sow outdoors | Apr 30 – May 23 |
| Peas | Sow outdoors (spring) | Mar 7 – Apr 22 |
| Potatoes | Plant outdoors (spring) | Mar 7 – May 7 |
| Onions | Start seeds indoors (spring) | Jan 24 – Feb 20 |
| Onions | Transplant outdoors (spring) | Mar 24 – Apr 22 |
| Broccoli | Start seeds indoors (spring) | Feb 17 – Mar 23 |
| Broccoli | Transplant outdoors (spring) | Mar 24 – Apr 22 |
| Broccoli | Start seeds indoors (fall) | Jul 2 – Jul 12 |
| Broccoli | Transplant outdoors (fall) | Aug 1 – Aug 12 |
| Cabbage | Start seeds indoors (spring) | Feb 7 – Mar 7 |
| Cabbage | Transplant outdoors (spring) | Mar 7 – Apr 7 |
| Cabbage | Start seeds indoors (fall) | Jun 22 – Jul 22 |
| Cabbage | Transplant outdoors (fall) | Jul 22 – Aug 22 |
| Leaf lettuce | Sow outdoors (spring) | Mar 7 – May 23 |
| Leaf lettuce | Sow outdoors (fall) | Jul 22 – Sep 7 |
| Spinach | Sow outdoors (spring) | Feb 28 – Apr 13 |
| Spinach | Sow outdoors (fall) | Aug 8 – Sep 12 |
| Radishes | Sow outdoors (spring) | Mar 7 – Apr 27 |
| Radishes | Sow outdoors (fall) | Jul 22 – Sep 22 |
| Kale | Sow outdoors (spring) | Mar 24 – Apr 13 |
| Kale | Sow outdoors (fall) | Jul 15 – Aug 22 |
| Carrots | Sow outdoors (spring) | Apr 7 – May 23 |
| Carrots | Sow outdoors (fall) | Jun 22 – Aug 7 |
| Garlic | Plant outdoors (fall) | Oct 22 – Nov 22 |
Where these dates come from
ZIP code 28606 is matched to the NOAA station W Kerr Scott Resv, NC, 11.4 km away, at 1,070 ft elevation (174 ft lower than the ZIP code's center). Nearby stations for comparison:
| Station | Elevation | Avg last frost | Avg first frost |
|---|---|---|---|
| W Kerr Scott Resv, NC (used) | 1,070 ft | Apr 7 | Nov 1 |
| N Wilkesboro, NC | 1,120 ft | Apr 10 | Oct 29 |
| Taylorsville, NC | 1,320 ft | Apr 2 | Nov 4 |
| Lenoir, NC | 1,155 ft | Apr 7 | Oct 31 |
Frost dates near Boomer
- Ferguson, NC 28624 · last Apr 7, first Nov 1
- Moravian Falls, NC 28654 · last Apr 2, first Nov 4
- Purlear, NC 28665 · last Apr 7, first Nov 1
- Wilkesboro, NC 28697 · last Apr 10, first Oct 29
- Millers Creek, NC 28651 · last Apr 10, first Oct 29
- Taylorsville, NC 28681 · last Apr 2, first Nov 4
- North Wilkesboro, NC 28659 · last Apr 10, first Oct 29
- Patterson, NC 28661 · last Apr 7, first Oct 31
Frequently asked questions
- When is the last frost in Boomer, NC?
- For ZIP code 28606, the average last spring frost (32°F) is April 7, based on NOAA 1991-2020 climate normals for the W Kerr Scott Resv, NC weather station. There is a 1-in-10 chance of a frost after April 22.
- When is the first frost in Boomer, NC?
- The average first fall frost (32°F) is November 1. There is a 1-in-10 chance of frost by October 19, so tender plants are at risk from that point on.
- How long is the growing season in 28606?
- In half of years, the frost-free season (between the last and first 32°F frost) is at least 208 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.