Frost dates for 02330Carver, MA
The average last spring frost in Carver is April 30 and the average first fall frost is October 16, giving a typical growing season of about 170 days. Dates are based on NOAA 1991-2020 climate normals.
- Average last spring frost
- Apr 30
- Average first fall frost
- Oct 16
- Growing season
- 170 days
Safer after May 12 (1-in-10 risk)
Possible by Oct 3 (1-in-10 risk)
Last frost typically in 180 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 29 · May 10 · May 24 | Sep 23 · Oct 5 · Oct 19 | 148 days | 100% |
| Frost / freeze (32°F) | Apr 19 · Apr 30 · May 12 | Oct 3 · Oct 16 · Nov 1 | 170 days | 100% |
| Hard freeze (28°F) | Apr 3 · Apr 18 · May 2 | Oct 14 · Oct 27 · Nov 11 | 192 days | 100% |
Planting calendar for Carver
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 30 – Jun 5 |
| Tomatoes | Transplant outdoors | May 16 – Jun 26 |
| Peppers | Start seeds indoors | Mar 30 – Apr 30 |
| Peppers | Transplant outdoors | May 30 – Jun 30 |
| Eggplant | Start seeds indoors | Apr 16 – May 15 |
| Eggplant | Transplant outdoors | May 30 – Jun 30 |
| Cucumbers | Sow outdoors | May 30 – Jul 6 |
| Summer squash | Sow outdoors | May 16 – Jun 30 |
| Winter squash & pumpkins | Sow outdoors | May 30 – Jun 30 |
| Snap beans | Sow outdoors | May 16 – Jul 29 |
| Sweet corn | Sow outdoors | May 16 – Jun 26 |
| Watermelon & cantaloupe | Sow outdoors | May 30 – Jun 30 |
| Okra | Sow outdoors | May 23 – Jun 15 |
| Peas | Sow outdoors (spring) | Mar 30 – May 15 |
| Potatoes | Plant outdoors (spring) | Mar 30 – May 30 |
| Onions | Start seeds indoors (spring) | Feb 16 – Mar 15 |
| Onions | Transplant outdoors (spring) | Apr 16 – May 15 |
| Broccoli | Start seeds indoors (spring) | Mar 12 – Apr 15 |
| Broccoli | Transplant outdoors (spring) | Apr 16 – May 15 |
| Broccoli | Start seeds indoors (fall) | Jun 16 – Jun 26 |
| Broccoli | Transplant outdoors (fall) | Jul 16 – Jul 27 |
| Cabbage | Start seeds indoors (spring) | Mar 2 – Mar 30 |
| Cabbage | Transplant outdoors (spring) | Mar 30 – Apr 30 |
| Cabbage | Start seeds indoors (fall) | Jun 6 – Jul 6 |
| Cabbage | Transplant outdoors (fall) | Jul 6 – Aug 6 |
| Leaf lettuce | Sow outdoors (spring) | Mar 30 – Jun 15 |
| Leaf lettuce | Sow outdoors (fall) | Jul 6 – Aug 22 |
| Spinach | Sow outdoors (spring) | Mar 23 – May 6 |
| Spinach | Sow outdoors (fall) | Jul 23 – Aug 27 |
| Radishes | Sow outdoors (spring) | Mar 30 – May 20 |
| Radishes | Sow outdoors (fall) | Jul 6 – Sep 6 |
| Kale | Sow outdoors (spring) | Apr 16 – May 6 |
| Kale | Sow outdoors (fall) | Jun 29 – Aug 6 |
| Carrots | Sow outdoors (spring) | Apr 30 – Jun 15 |
| Carrots | Sow outdoors (fall) | Jun 6 – Jul 22 |
| Garlic | Plant outdoors (fall) | Oct 6 – Nov 6 |
Where these dates come from
ZIP code 02330 is matched to the NOAA station Plymouth Muni Ap, MA, 4 km away, at 149 ft elevation (41 ft higher than the ZIP code's center). Nearby stations for comparison:
| Station | Elevation | Avg last frost | Avg first frost |
|---|---|---|---|
| Plymouth Muni Ap, MA (used) | 149 ft | Apr 30 | Oct 16 |
| Middleboro, MA | 45 ft | Apr 23 | Oct 16 |
| Plymouth-Kingston, MA | 45 ft | Apr 15 | Nov 1 |
| E Wareham, MA | 30 ft | Apr 21 | Oct 24 |
Frost dates near Carver
- North Carver, MA 02355 · last Apr 30, first Oct 16
- South Carver, MA 02366 · last Apr 30, first Oct 16
- Plympton, MA 02367 · last Apr 15, first Nov 1
- Middleboro, MA 02346 · last Apr 30, first Oct 16
- Duxbury, MA 02331 · last Apr 15, first Nov 1
- Plymouth, MA 02361 · last Apr 15, first Nov 1
- Kingston, MA 02364 · last Apr 15, first Nov 1
- West Wareham, MA 02576 · last Apr 21, first Oct 24
Frequently asked questions
- When is the last frost in Carver, MA?
- For ZIP code 02330, the average last spring frost (32°F) is April 30, based on NOAA 1991-2020 climate normals for the Plymouth Muni Ap, MA weather station. There is a 1-in-10 chance of a frost after May 12.
- When is the first frost in Carver, MA?
- The average first fall frost (32°F) is October 16. There is a 1-in-10 chance of frost by October 3, so tender plants are at risk from that point on.
- How long is the growing season in 02330?
- In half of years, the frost-free season (between the last and first 32°F frost) is at least 170 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.