Frost dates for 11030Manhasset, NY
The average last spring frost in Manhasset is April 2 and the average first fall frost is November 12, giving a typical growing season of about 224 days. Dates are based on NOAA 1991-2020 climate normals.
- Average last spring frost
- Apr 2
- Average first fall frost
- Nov 12
- Growing season
- 224 days
Safer after Apr 16 (1-in-10 risk)
Possible by Oct 31 (1-in-10 risk)
First frost typically in 9 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 3 · Apr 16 · Apr 30 | Oct 16 · Oct 31 · Nov 13 | 196 days | 100% |
| Frost / freeze (32°F) | Mar 18 · Apr 2 · Apr 16 | Oct 31 · Nov 12 · Dec 1 | 224 days | 100% |
| Hard freeze (28°F) | Mar 5 · Mar 20 · Apr 4 | Nov 9 · Nov 25 · Dec 13 | 247 days | 100% |
Planting calendar for Manhasset
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 2 – May 8 |
| Tomatoes | Transplant outdoors | Apr 18 – Jul 23 |
| Peppers | Start seeds indoors | Mar 2 – Apr 2 |
| Peppers | Transplant outdoors | May 2 – Jun 2 |
| Eggplant | Start seeds indoors | Mar 19 – Apr 17 |
| Eggplant | Transplant outdoors | May 2 – Jun 2 |
| Cucumbers | Sow outdoors | May 2 – Aug 2 |
| Summer squash | Sow outdoors | Apr 18 – Jun 2 |
| Winter squash & pumpkins | Sow outdoors | May 2 – Jun 2 |
| Snap beans | Sow outdoors | Apr 18 – Aug 25 |
| Sweet corn | Sow outdoors | Apr 18 – Jul 23 |
| Watermelon & cantaloupe | Sow outdoors | May 2 – Jun 2 |
| Okra | Sow outdoors | Apr 25 – May 18 |
| Peas | Sow outdoors (spring) | Mar 2 – Apr 17 |
| Potatoes | Plant outdoors (spring) | Mar 2 – May 2 |
| Onions | Start seeds indoors (spring) | Jan 19 – Feb 15 |
| Onions | Transplant outdoors (spring) | Mar 19 – Apr 17 |
| Broccoli | Start seeds indoors (spring) | Feb 12 – Mar 18 |
| Broccoli | Transplant outdoors (spring) | Mar 19 – Apr 17 |
| Broccoli | Start seeds indoors (fall) | Jul 13 – Jul 23 |
| Broccoli | Transplant outdoors (fall) | Aug 12 – Aug 23 |
| Cabbage | Start seeds indoors (spring) | Feb 2 – Mar 2 |
| Cabbage | Transplant outdoors (spring) | Mar 2 – Apr 2 |
| Cabbage | Start seeds indoors (fall) | Jul 3 – Aug 2 |
| Cabbage | Transplant outdoors (fall) | Aug 2 – Sep 2 |
| Leaf lettuce | Sow outdoors (spring) | Mar 2 – May 18 |
| Leaf lettuce | Sow outdoors (fall) | Aug 2 – Sep 18 |
| Spinach | Sow outdoors (spring) | Feb 23 – Apr 8 |
| Spinach | Sow outdoors (fall) | Aug 19 – Sep 23 |
| Radishes | Sow outdoors (spring) | Mar 2 – Apr 22 |
| Radishes | Sow outdoors (fall) | Aug 2 – Oct 3 |
| Kale | Sow outdoors (spring) | Mar 19 – Apr 8 |
| Kale | Sow outdoors (fall) | Jul 26 – Sep 2 |
| Carrots | Sow outdoors (spring) | Apr 2 – May 18 |
| Carrots | Sow outdoors (fall) | Jul 3 – Aug 18 |
| Garlic | Plant outdoors (fall) | Nov 2 – Dec 3 |
Where these dates come from
ZIP code 11030 is matched to the NOAA station Mineola, NY, 9 km away, at 96 ft elevation (35 ft lower than the ZIP code's center). Nearby stations for comparison:
| Station | Elevation | Avg last frost | Avg first frost |
|---|---|---|---|
| Mineola, NY (used) | 96 ft | Apr 2 | Nov 12 |
| Bronx, NY | 39 ft | Apr 1 | Nov 16 |
| New York Laguardia Ap, NY | 11 ft | Mar 26 | Nov 25 |
| New York Jfk Intl Ap, NY | 11 ft | Apr 2 | Nov 14 |
Frost dates near Manhasset
- Great Neck, NY 11021 · last Apr 2, first Nov 12
- Roslyn, NY 11576 · last Apr 2, first Nov 12
- New Hyde Park, NY 11042 · last Apr 2, first Nov 12
- Albertson, NY 11507 · last Apr 2, first Nov 12
- Roslyn Heights, NY 11577 · last Apr 2, first Nov 12
- Port Washington, NY 11050 · last Apr 2, first Nov 12
- Floral Park, NY 11005 · last Apr 2, first Nov 12
- Williston Park, NY 11596 · last Apr 2, first Nov 12
Frequently asked questions
- When is the last frost in Manhasset, NY?
- For ZIP code 11030, the average last spring frost (32°F) is April 2, based on NOAA 1991-2020 climate normals for the Mineola, NY weather station. There is a 1-in-10 chance of a frost after April 16.
- When is the first frost in Manhasset, NY?
- The average first fall frost (32°F) is November 12. There is a 1-in-10 chance of frost by October 31, so tender plants are at risk from that point on.
- How long is the growing season in 11030?
- In half of years, the frost-free season (between the last and first 32°F frost) is at least 224 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.