Youngstown, NY frost dates
Last spring frostApr 29median date
First fall frostOct 28median date
Growing season182 daysfrost-free
Hardiness zone6bZone 6b
How Youngstown compares
- In 8 years out of 10, the last spring frost in Youngstown falls between April 18 and May 12, a 24-day window. The first fall frost falls between October 10 and November 9.
- The median last frost is 4 days earlier than the New York median of May 3.
- Its 182-day growing season is longer than 76% of the 1,610 New York places with a regular frost season (state median 163 days).
- The last frost is 7 days later than the zone 6b median of Apr 22. Hardiness zones measure winter cold, not season length, so use these dates rather than a zone 6b chart.
- The weather station records an average of 129 nights a year at or below 32°F.
- Compared with Buffalo, NY, 44 km away, the last frost here is 5 days later than there and the growing season is 3 days shorter.
Frost probability
| Chance of frost after | Date |
|---|---|
| 90% (early) | April 18 |
| 50% (median) | April 29 |
| 10% (safe for tender plants) | May 12 |
| Chance of frost before | Date |
|---|---|
| 10% (early) | October 10 |
| 50% (median) | October 28 |
| 90% (late) | November 9 |
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 Youngstown, NY
Youngstown, NY frost dates — last frost Apr 29, first frost Oct 28, zone 6b. whenisthelastfrost.com
Crop
JFMAMJJASOND
Start indoors: Feb 4 to Feb 18Transplant outside: Apr 1 to Apr 15
Start indoors: Feb 18 to Mar 4Transplant outside: May 13 to May 27
Start indoors: Feb 18 to Mar 4Transplant outside: May 13 to May 27
Start indoors: Mar 4 to Mar 18Transplant outside: May 6 to May 20
Start indoors: Mar 4 to Mar 18Transplant outside: Apr 8 to Apr 22Sow outdoors: Apr 1 to May 6Plant for fall: Sep 2 to Sep 30
Start indoors: Mar 4 to Mar 18Transplant outside: Apr 1 to Apr 15Sow outdoors: Apr 1 to Apr 15Plant for fall: Aug 19 to Sep 9
Start indoors: Mar 4 to Mar 18Transplant outside: Apr 15 to Apr 29Plant for fall: Jul 22 to Aug 12
Start indoors: Mar 4 to Mar 18Transplant outside: Apr 8 to Apr 22Plant for fall: Jul 22 to Aug 12
Start indoors: Mar 4 to Mar 18Transplant outside: Apr 15 to Apr 29Plant for fall: Jul 22 to Aug 12
Start indoors: Mar 18 to Apr 1Transplant outside: May 20 to Jun 3Sow outdoors: May 20 to Jun 3
Start indoors: Mar 18 to Apr 1Transplant outside: May 6 to May 20
Sow outdoors: Mar 18 to Apr 8Plant for fall: Aug 5 to Aug 26
Sow outdoors: Mar 18 to Apr 8Plant for fall: Sep 2 to Sep 23
Sow outdoors: Mar 25 to May 6Plant for fall: Sep 16 to Oct 7
Start indoors: Apr 1 to Apr 8Transplant outside: May 13 to May 20Sow outdoors: May 6 to May 20Plant for fall: Aug 12 to Aug 26
Start indoors: Apr 1 to Apr 8Sow outdoors: May 6 to May 20Plant for fall: Aug 19 to Sep 2
Start indoors: Apr 1 to Apr 8Sow outdoors: May 6 to May 20
Start indoors: Apr 1 to Apr 8Transplant outside: May 13 to May 27
Sow outdoors: Apr 8 to May 6Plant for fall: Aug 5 to Aug 19
Sow outdoors: Apr 8 to May 6Plant for fall: Aug 19 to Sep 2
Sow outdoors: Apr 8 to Apr 29
Sow outdoors: Apr 15 to May 13Plant for fall: Aug 19 to Sep 2
Sow outdoors: Apr 15 to May 6Plant for fall: Sep 2 to Sep 23
Sow outdoors: May 6 to May 27Plant for fall: Aug 12 to Aug 26
Sow outdoors: May 6 to May 20
Transplant outside: May 13 to Jun 3
Plant for fall: Oct 14 to Nov 18
Start indoorsTransplant outsideSow outdoorsPlant for fallMedian frost dates
When to plant vegetables in Youngstown, NY
| Crop | Start indoors | Transplant | Sow outdoors | Fall crop |
|---|---|---|---|---|
| Onions | Feb 4 – Feb 18 | Apr 1 – Apr 15 | — | — |
| Peppers | Feb 18 – Mar 4 | May 13 – May 27 | — | — |
| Eggplant | Feb 18 – Mar 4 | May 13 – May 27 | — | — |
| Tomatoes | Mar 4 – Mar 18 | May 6 – May 20 | — | — |
| Lettuce | Mar 4 – Mar 18 | Apr 8 – Apr 22 | Apr 1 – May 6 | Sep 2 – Sep 30 |
| Kale | Mar 4 – Mar 18 | Apr 1 – Apr 15 | Apr 1 – Apr 15 | Aug 19 – Sep 9 |
| Broccoli | Mar 4 – Mar 18 | Apr 15 – Apr 29 | — | Jul 22 – Aug 12 |
| Cabbage | Mar 4 – Mar 18 | Apr 8 – Apr 22 | — | Jul 22 – Aug 12 |
| Cauliflower | Mar 4 – Mar 18 | Apr 15 – Apr 29 | — | Jul 22 – Aug 12 |
| Okra | Mar 18 – Apr 1 | May 20 – Jun 3 | May 20 – Jun 3 | — |
| Basil | Mar 18 – Apr 1 | May 6 – May 20 | — | — |
| Peas | — | — | Mar 18 – Apr 8 | Aug 5 – Aug 26 |
| Spinach | — | — | Mar 18 – Apr 8 | Sep 2 – Sep 23 |
| Radishes | — | — | Mar 25 – May 6 | Sep 16 – Oct 7 |
| Cucumbers | Apr 1 – Apr 8 | May 13 – May 20 | May 6 – May 20 | Aug 12 – Aug 26 |
| Zucchini & Summer Squash | Apr 1 – Apr 8 | — | May 6 – May 20 | Aug 19 – Sep 2 |
| Winter Squash & Pumpkins | Apr 1 – Apr 8 | — | May 6 – May 20 | — |
| Melons & Watermelon | Apr 1 – Apr 8 | May 13 – May 27 | — | — |
| Carrots | — | — | Apr 8 – May 6 | Aug 5 – Aug 19 |
| Beets | — | — | Apr 8 – May 6 | Aug 19 – Sep 2 |
| Potatoes | — | — | Apr 8 – Apr 29 | — |
| Swiss Chard | — | — | Apr 15 – May 13 | Aug 19 – Sep 2 |
| Cilantro | — | — | Apr 15 – May 6 | Sep 2 – Sep 23 |
| Green Beans | — | — | May 6 – May 27 | Aug 12 – Aug 26 |
| Sweet Corn | — | — | May 6 – May 20 | — |
| Sweet Potatoes | — | May 13 – Jun 3 | — | — |
| Garlic | — | — | — | Oct 14 – Nov 18 |
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 Youngstown 2 E, NY weather station, about 1 km away (elevation 295 ft (90 m)).
Frost dates near Youngstown
- Stella Niagara Apr 29 · Oct 28
- Model City Apr 29 · Oct 28
- Lewiston Apr 29 · Oct 28
- Ransomville Apr 29 · Oct 28
- Niagara University Apr 26 · Oct 25
- Sanborn May 1 · Oct 19
- Niagara Falls Apr 26 · Oct 25
- Wilson Apr 29 · Oct 28
- Grand Island Apr 26 · Oct 25
- Newfane Apr 26 · Oct 26
Frequently asked questions
When is the last frost in Youngstown, NY?
The median last spring frost in Youngstown, NY is April 29. 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 Youngstown, NY?
The median first fall frost is October 28, with about a 10% chance of frost before October 10.
How long is the growing season in Youngstown, NY?
About 182 days between the median last spring frost and first fall frost.
What planting zone is Youngstown, NY?
Youngstown, NY is in USDA hardiness zone 6b.