Phoenix, NY frost dates
How Phoenix compares
- In 8 years out of 10, the last spring frost in Phoenix falls between April 22 and May 19, a 27-day window. The first fall frost falls between September 27 and October 29.
- The median last frost is 1 day later than the New York median of May 3.
- Its 160-day growing season is longer than 44% of the 1,610 New York places with a regular frost season (state median 163 days).
- The last frost is 5 days later than the zone 6a median of Apr 29. Hardiness zones measure winter cold, not season length, so use these dates rather than a zone 6a chart.
- The weather station records an average of 151 nights a year at or below 32°F.
- Phoenix shares its weather station with Clay, NY, 14 km away, so the two have the same frost dates.
Frost probability
| Chance of frost after | Date |
|---|---|
| 90% (early) | April 22 |
| 50% (median) | May 4 |
| 10% (safe for tender plants) | May 19 |
| Chance of frost before | Date |
|---|---|
| 10% (early) | September 27 |
| 50% (median) | October 11 |
| 90% (late) | October 29 |
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 Phoenix, NY
Phoenix, NY frost dates — last frost May 4, first frost Oct 11, zone 6a. whenisthelastfrost.com
When to plant vegetables in Phoenix, NY
| Crop | Start indoors | Transplant | Sow outdoors | Fall crop |
|---|---|---|---|---|
| Onions | Feb 9 – Feb 23 | Apr 6 – Apr 20 | — | — |
| Peppers | Feb 23 – Mar 9 | May 18 – Jun 1 | — | — |
| Eggplant | Feb 23 – Mar 9 | May 18 – Jun 1 | — | — |
| Tomatoes | Mar 9 – Mar 23 | May 11 – May 25 | — | — |
| Lettuce | Mar 9 – Mar 23 | Apr 13 – Apr 27 | Apr 6 – May 11 | Aug 16 – Sep 13 |
| Kale | Mar 9 – Mar 23 | Apr 6 – Apr 20 | Apr 6 – Apr 20 | Aug 2 – Aug 23 |
| Broccoli | Mar 9 – Mar 23 | Apr 20 – May 4 | — | Jul 5 – Jul 26 |
| Cabbage | Mar 9 – Mar 23 | Apr 13 – Apr 27 | — | Jul 5 – Jul 26 |
| Cauliflower | Mar 9 – Mar 23 | Apr 20 – May 4 | — | Jul 5 – Jul 26 |
| Okra | Mar 23 – Apr 6 | May 25 – Jun 8 | May 25 – Jun 8 | — |
| Basil | Mar 23 – Apr 6 | May 11 – May 25 | — | — |
| Peas | — | — | Mar 23 – Apr 13 | Jul 19 – Aug 9 |
| Spinach | — | — | Mar 23 – Apr 13 | Aug 16 – Sep 6 |
| Radishes | — | — | Mar 30 – May 11 | Aug 30 – Sep 20 |
| Cucumbers | Apr 6 – Apr 13 | May 18 – May 25 | May 11 – May 25 | Jul 26 – Aug 9 |
| Zucchini & Summer Squash | Apr 6 – Apr 13 | — | May 11 – May 25 | Aug 2 – Aug 16 |
| Winter Squash & Pumpkins | Apr 6 – Apr 13 | — | May 11 – May 25 | — |
| Melons & Watermelon | Apr 6 – Apr 13 | May 18 – Jun 1 | — | — |
| Carrots | — | — | Apr 13 – May 11 | Jul 19 – Aug 2 |
| Beets | — | — | Apr 13 – May 11 | Aug 2 – Aug 16 |
| Potatoes | — | — | Apr 13 – May 4 | — |
| Swiss Chard | — | — | Apr 20 – May 18 | Aug 2 – Aug 16 |
| Cilantro | — | — | Apr 20 – May 11 | Aug 16 – Sep 6 |
| Green Beans | — | — | May 11 – Jun 1 | Jul 26 – Aug 9 |
| Sweet Corn | — | — | May 11 – May 25 | — |
| Sweet Potatoes | — | May 18 – Jun 8 | — | — |
| Garlic | — | — | — | Sep 27 – Nov 1 |
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 Brewerton Lock, NY weather station, 9 km away (elevation 377 ft (115 m)).
Frost dates near Phoenix
- Pennellville May 4 · Oct 11
- Baldwinsville May 4 · Oct 11
- Fulton Apr 27 · Oct 24
- Central Square May 4 · Oct 11
- Clay May 4 · Oct 11
- Brewerton May 4 · Oct 11
- Plainville Apr 27 · Oct 24
- Warners Apr 29 · Oct 19
- Hastings May 4 · Oct 11
- Mallory May 4 · Oct 11
Frequently asked questions
When is the last frost in Phoenix, NY?
The median last spring frost in Phoenix, NY is May 4. There is still about a 10% chance of frost after May 19, so wait until then to plant frost-tender crops like tomatoes and peppers.
When is the first frost in Phoenix, NY?
The median first fall frost is October 11, with about a 10% chance of frost before September 27.
How long is the growing season in Phoenix, NY?
About 160 days between the median last spring frost and first fall frost.
What planting zone is Phoenix, NY?
Phoenix, NY is in USDA hardiness zone 6a.