Frost dates for 12434Grand Gorge, NY
The average last spring frost in Grand Gorge is May 18 and the average first fall frost is October 2, giving a typical growing season of about 137 days. Dates are based on NOAA 1991-2020 climate normals.
- Average last spring frost
- May 18
- Average first fall frost
- Oct 2
- Growing season
- 137 days
Safer after Jun 1 (1-in-10 risk)
Possible by Sep 19 (1-in-10 risk)
Last frost typically in 196 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) | May 14 · May 29 · Jun 12 | Sep 8 · Sep 23 · Oct 4 | 117 days | 100% |
| Frost / freeze (32°F) | May 1 · May 18 · Jun 1 | Sep 19 · Oct 2 · Oct 14 | 137 days | 100% |
| Hard freeze (28°F) | Apr 23 · May 6 · May 20 | Oct 1 · Oct 12 · Nov 1 | 160 days | 100% |
Planting calendar for Grand Gorge
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 | Apr 17 – Jun 23 |
| Tomatoes | Transplant outdoors | Jun 3 – Jun 12 |
| Peppers | Start seeds indoors | Apr 17 – May 18 |
| Peppers | Transplant outdoors | Jun 17 – Jul 18 |
| Eggplant | Start seeds indoors | May 4 – Jun 2 |
| Eggplant | Transplant outdoors | Jun 17 – Jul 18 |
| Cucumbers | Sow outdoors | Jun 17 – Jun 22 |
| Summer squash | Sow outdoors | Jun 3 – Jul 18 |
| Winter squash & pumpkins | Sow outdoors | Jun 17 – Jul 18 |
| Snap beans | Sow outdoors | Jun 3 – Jul 15 |
| Sweet corn | Sow outdoors | Jun 3 – Jun 12 |
| Watermelon & cantaloupe | Sow outdoors | Jun 17 – Jul 18 |
| Okra | Sow outdoors | Jun 10 – Jul 3 |
| Peas | Sow outdoors (spring) | Apr 17 – Jun 2 |
| Potatoes | Plant outdoors (spring) | Apr 17 – Jun 17 |
| Onions | Start seeds indoors (spring) | Mar 6 – Apr 2 |
| Onions | Transplant outdoors (spring) | May 4 – Jun 2 |
| Broccoli | Start seeds indoors (spring) | Mar 30 – May 3 |
| Broccoli | Transplant outdoors (spring) | May 4 – Jun 2 |
| Broccoli | Start seeds indoors (fall) | Jun 2 – Jun 12 |
| Broccoli | Transplant outdoors (fall) | Jul 2 – Jul 13 |
| Cabbage | Start seeds indoors (spring) | Mar 20 – Apr 17 |
| Cabbage | Transplant outdoors (spring) | Apr 17 – May 18 |
| Cabbage | Start seeds indoors (fall) | May 23 – Jun 22 |
| Cabbage | Transplant outdoors (fall) | Jun 22 – Jul 23 |
| Leaf lettuce | Sow outdoors (spring) | Apr 17 – Jul 3 |
| Leaf lettuce | Sow outdoors (fall) | Jun 22 – Aug 8 |
| Spinach | Sow outdoors (spring) | Apr 10 – May 24 |
| Spinach | Sow outdoors (fall) | Jul 9 – Aug 13 |
| Radishes | Sow outdoors (spring) | Apr 17 – Jun 7 |
| Radishes | Sow outdoors (fall) | Jun 22 – Aug 23 |
| Kale | Sow outdoors (spring) | May 4 – May 24 |
| Kale | Sow outdoors (fall) | Jun 15 – Jul 23 |
| Carrots | Sow outdoors (spring) | May 18 – Jul 3 |
| Carrots | Sow outdoors (fall) | May 23 – Jul 8 |
| Garlic | Plant outdoors (fall) | Sep 22 – Oct 23 |
Where these dates come from
ZIP code 12434 is matched to the NOAA station Lansing Manor, NY, 9.9 km away, at 1,100 ft elevation (304 ft lower than the ZIP code's center). Nearby stations for comparison:
| Station | Elevation | Avg last frost | Avg first frost |
|---|---|---|---|
| Lansing Manor, NY (used) | 1,100 ft | May 18 | Oct 2 |
| E Jewett, NY | 1,991 ft | May 20 | Sep 27 |
| Cobleskill 2 Ese, NY | 1,169 ft | May 9 | Oct 4 |
| Delhi 2 Se, NY | 1,460 ft | May 19 | Oct 1 |
Frost dates near Grand Gorge
- Roxbury, NY 12474 · last May 19, first Oct 1
- Gilboa, NY 12076 · last May 20, first Sep 27
- Prattsville, NY 12468 · last May 20, first Sep 27
- Stamford, NY 12167 · last May 20, first Sep 27
- Denver, NY 12421 · last May 20, first Sep 27
- Ashland, NY 12407 · last May 18, first Oct 2
- Hobart, NY 13788 · last May 19, first Oct 1
- North Blenheim, NY 12131 · last May 18, first Oct 2
Frequently asked questions
- When is the last frost in Grand Gorge, NY?
- For ZIP code 12434, the average last spring frost (32°F) is May 18, based on NOAA 1991-2020 climate normals for the Lansing Manor, NY weather station. There is a 1-in-10 chance of a frost after June 1.
- When is the first frost in Grand Gorge, NY?
- The average first fall frost (32°F) is October 2. There is a 1-in-10 chance of frost by September 19, so tender plants are at risk from that point on.
- How long is the growing season in 12434?
- In half of years, the frost-free season (between the last and first 32°F frost) is at least 137 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.