Seneca Castle, NY frost dates
Last spring frostApr 30median date
First fall frostOct 21median date
Growing season174 daysfrost-free
Hardiness zone6aZone 6a
How Seneca Castle compares
- In 8 years out of 10, the last spring frost in Seneca Castle falls between April 17 and May 12, a 25-day window. The first fall frost falls between October 4 and November 4.
- The median last frost is 3 days earlier than the New York median of May 3.
- Its 174-day growing season is longer than 71% of the 1,610 New York places with a regular frost season (state median 163 days).
- The last frost is typical for zone 6a, where the median is Apr 29.
- The weather station records an average of 136 nights a year at or below 32°F.
- Compared with Rochester, NY, 56 km away, the last frost here is 6 days later than there and the growing season is 10 days shorter.
Frost probability
| Chance of frost after | Date |
|---|---|
| 90% (early) | April 17 |
| 50% (median) | April 30 |
| 10% (safe for tender plants) | May 12 |
| Chance of frost before | Date |
|---|---|
| 10% (early) | October 4 |
| 50% (median) | October 21 |
| 90% (late) | November 4 |
Frost here means 32°F (0°C). A median date means half of years have their last frost earlier and half later.
Planting calendar for Seneca Castle, NY
Seneca Castle, NY frost dates — last frost Apr 30, first frost Oct 21, zone 6a. whenisthelastfrost.com
Crop
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Start indoors: Feb 5 to Feb 19Transplant outside: Apr 2 to Apr 16
Start indoors: Feb 19 to Mar 5Transplant outside: May 14 to May 28
Start indoors: Feb 19 to Mar 5Transplant outside: May 14 to May 28
Start indoors: Mar 5 to Mar 19Transplant outside: May 7 to May 21
Start indoors: Mar 5 to Mar 19Transplant outside: Apr 9 to Apr 23Sow outdoors: Apr 2 to May 7Plant for fall: Aug 26 to Sep 23
Start indoors: Mar 5 to Mar 19Transplant outside: Apr 2 to Apr 16Sow outdoors: Apr 2 to Apr 16Plant for fall: Aug 12 to Sep 2
Start indoors: Mar 5 to Mar 19Transplant outside: Apr 16 to Apr 30Plant for fall: Jul 15 to Aug 5
Start indoors: Mar 5 to Mar 19Transplant outside: Apr 9 to Apr 23Plant for fall: Jul 15 to Aug 5
Start indoors: Mar 5 to Mar 19Transplant outside: Apr 16 to Apr 30Plant for fall: Jul 15 to Aug 5
Start indoors: Mar 19 to Apr 2Transplant outside: May 21 to Jun 4Sow outdoors: May 21 to Jun 4
Start indoors: Mar 19 to Apr 2Transplant outside: May 7 to May 21
Sow outdoors: Mar 19 to Apr 9Plant for fall: Jul 29 to Aug 19
Sow outdoors: Mar 19 to Apr 9Plant for fall: Aug 26 to Sep 16
Sow outdoors: Mar 26 to May 7Plant for fall: Sep 9 to Sep 30
Start indoors: Apr 2 to Apr 9Transplant outside: May 14 to May 21Sow outdoors: May 7 to May 21Plant for fall: Aug 5 to Aug 19
Start indoors: Apr 2 to Apr 9Sow outdoors: May 7 to May 21Plant for fall: Aug 12 to Aug 26
Start indoors: Apr 2 to Apr 9Sow outdoors: May 7 to May 21
Start indoors: Apr 2 to Apr 9Transplant outside: May 14 to May 28
Sow outdoors: Apr 9 to May 7Plant for fall: Jul 29 to Aug 12
Sow outdoors: Apr 9 to May 7Plant for fall: Aug 12 to Aug 26
Sow outdoors: Apr 9 to Apr 30
Sow outdoors: Apr 16 to May 14Plant for fall: Aug 12 to Aug 26
Sow outdoors: Apr 16 to May 7Plant for fall: Aug 26 to Sep 16
Sow outdoors: May 7 to May 28Plant for fall: Aug 5 to Aug 19
Sow outdoors: May 7 to May 21
Transplant outside: May 14 to Jun 4
Plant for fall: Oct 7 to Nov 11
Start indoorsTransplant outsideSow outdoorsPlant for fallMedian frost dates
When to plant vegetables in Seneca Castle, NY
| Crop | Start indoors | Transplant | Sow outdoors | Fall crop |
|---|---|---|---|---|
| Onions | Feb 5 – Feb 19 | Apr 2 – Apr 16 | — | — |
| Peppers | Feb 19 – Mar 5 | May 14 – May 28 | — | — |
| Eggplant | Feb 19 – Mar 5 | May 14 – May 28 | — | — |
| Tomatoes | Mar 5 – Mar 19 | May 7 – May 21 | — | — |
| Lettuce | Mar 5 – Mar 19 | Apr 9 – Apr 23 | Apr 2 – May 7 | Aug 26 – Sep 23 |
| Kale | Mar 5 – Mar 19 | Apr 2 – Apr 16 | Apr 2 – Apr 16 | Aug 12 – Sep 2 |
| Broccoli | Mar 5 – Mar 19 | Apr 16 – Apr 30 | — | Jul 15 – Aug 5 |
| Cabbage | Mar 5 – Mar 19 | Apr 9 – Apr 23 | — | Jul 15 – Aug 5 |
| Cauliflower | Mar 5 – Mar 19 | Apr 16 – Apr 30 | — | Jul 15 – Aug 5 |
| Okra | Mar 19 – Apr 2 | May 21 – Jun 4 | May 21 – Jun 4 | — |
| Basil | Mar 19 – Apr 2 | May 7 – May 21 | — | — |
| Peas | — | — | Mar 19 – Apr 9 | Jul 29 – Aug 19 |
| Spinach | — | — | Mar 19 – Apr 9 | Aug 26 – Sep 16 |
| Radishes | — | — | Mar 26 – May 7 | Sep 9 – Sep 30 |
| Cucumbers | Apr 2 – Apr 9 | May 14 – May 21 | May 7 – May 21 | Aug 5 – Aug 19 |
| Zucchini & Summer Squash | Apr 2 – Apr 9 | — | May 7 – May 21 | Aug 12 – Aug 26 |
| Winter Squash & Pumpkins | Apr 2 – Apr 9 | — | May 7 – May 21 | — |
| Melons & Watermelon | Apr 2 – Apr 9 | May 14 – May 28 | — | — |
| Carrots | — | — | Apr 9 – May 7 | Jul 29 – Aug 12 |
| Beets | — | — | Apr 9 – May 7 | Aug 12 – Aug 26 |
| Potatoes | — | — | Apr 9 – Apr 30 | — |
| Swiss Chard | — | — | Apr 16 – May 14 | Aug 12 – Aug 26 |
| Cilantro | — | — | Apr 16 – May 7 | Aug 26 – Sep 16 |
| Green Beans | — | — | May 7 – May 28 | Aug 5 – Aug 19 |
| Sweet Corn | — | — | May 7 – May 21 | — |
| Sweet Potatoes | — | May 14 – Jun 4 | — | — |
| Garlic | — | — | — | Oct 7 – Nov 11 |
Dates come from the median frost dates and common extension-service timing. Adjust for your soil temperature, microclimate and the varieties you grow.
About these dates
Based on 1991–2020 NOAA climate normals for the Geneva Rsch Farm, NY weather station, 5 km away (elevation 719 ft (219 m)).
Frost dates near Seneca Castle
- Stanley Apr 30 · Oct 21
- Oaks Corners Apr 30 · Oct 21
- Phelps Apr 30 · Oct 21
- Geneva Apr 30 · Oct 21
- Clifton Springs Apr 30 · Oct 21
- Gorham Apr 30 · Oct 21
- Hall Apr 30 · Oct 21
- Manchester Apr 29 · Oct 22
- Canandaigua Apr 29 · Oct 22
- Shortsville Apr 29 · Oct 22
Frequently asked questions
When is the last frost in Seneca Castle, NY?
The median last spring frost in Seneca Castle, NY is April 30. There is still about a 10% chance of frost after May 12, so wait until then to plant frost-tender crops like tomatoes and peppers.
When is the first frost in Seneca Castle, NY?
The median first fall frost is October 21, with about a 10% chance of frost before October 4.
How long is the growing season in Seneca Castle, NY?
About 174 days between the median last spring frost and first fall frost.
What planting zone is Seneca Castle, NY?
Seneca Castle, NY is in USDA hardiness zone 6a.