Harman, WV frost dates
Last spring frostMay 7median date
First fall frostOct 7median date
Growing season153 daysfrost-free
Hardiness zone5bZone 5b
How Harman compares
- In 8 years out of 10, the last spring frost in Harman falls between April 22 and May 27, a 35-day window. The first fall frost falls between September 24 and October 22.
- The median last frost is 14 days later than the West Virginia median of Apr 23.
- Its 153-day growing season is longer than 3% of the 745 West Virginia places with a regular frost season (state median 182 days).
- The last frost is 6 days later than the zone 5b median of May 1. Hardiness zones measure winter cold, not season length, so use these dates rather than a zone 5b chart.
- The weather station records an average of 136 nights a year at or below 32°F.
- Compared with Harrisonburg, VA, 78 km away, the last frost here is 16 days later than there and the growing season is 32 days shorter.
Frost probability
| Chance of frost after | Date |
|---|---|
| 90% (early) | April 22 |
| 50% (median) | May 7 |
| 10% (safe for tender plants) | May 27 |
| Chance of frost before | Date |
|---|---|
| 10% (early) | September 24 |
| 50% (median) | October 7 |
| 90% (late) | October 22 |
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 Harman, WV
Harman, WV frost dates — last frost May 7, first frost Oct 7, zone 5b. whenisthelastfrost.com
Crop
JFMAMJJASOND
Start indoors: Feb 12 to Feb 26Transplant outside: Apr 9 to Apr 23
Start indoors: Feb 26 to Mar 12Transplant outside: May 21 to Jun 4
Start indoors: Feb 26 to Mar 12Transplant outside: May 21 to Jun 4
Start indoors: Mar 12 to Mar 26Transplant outside: May 14 to May 28
Start indoors: Mar 12 to Mar 26Transplant outside: Apr 16 to Apr 30Sow outdoors: Apr 9 to May 14Plant for fall: Aug 12 to Sep 9
Start indoors: Mar 12 to Mar 26Transplant outside: Apr 9 to Apr 23Sow outdoors: Apr 9 to Apr 23Plant for fall: Jul 29 to Aug 19
Start indoors: Mar 12 to Mar 26Transplant outside: Apr 23 to May 7Plant for fall: Jul 1 to Jul 22
Start indoors: Mar 12 to Mar 26Transplant outside: Apr 16 to Apr 30Plant for fall: Jul 1 to Jul 22
Start indoors: Mar 12 to Mar 26Transplant outside: Apr 23 to May 7Plant for fall: Jul 1 to Jul 22
Start indoors: Mar 26 to Apr 9Transplant outside: May 28 to Jun 11Sow outdoors: May 28 to Jun 11
Start indoors: Mar 26 to Apr 9Transplant outside: May 14 to May 28
Sow outdoors: Mar 26 to Apr 16Plant for fall: Jul 15 to Aug 5
Sow outdoors: Mar 26 to Apr 16Plant for fall: Aug 12 to Sep 2
Sow outdoors: Apr 2 to May 14Plant for fall: Aug 26 to Sep 16
Start indoors: Apr 9 to Apr 16Transplant outside: May 21 to May 28Sow outdoors: May 14 to May 28Plant for fall: Jul 22 to Aug 5
Start indoors: Apr 9 to Apr 16Sow outdoors: May 14 to May 28Plant for fall: Jul 29 to Aug 12
Start indoors: Apr 9 to Apr 16Sow outdoors: May 14 to May 28
Start indoors: Apr 9 to Apr 16Transplant outside: May 21 to Jun 4
Sow outdoors: Apr 16 to May 14Plant for fall: Jul 15 to Jul 29
Sow outdoors: Apr 16 to May 14Plant for fall: Jul 29 to Aug 12
Sow outdoors: Apr 16 to May 7
Sow outdoors: Apr 23 to May 21Plant for fall: Jul 29 to Aug 12
Sow outdoors: Apr 23 to May 14Plant for fall: Aug 12 to Sep 2
Sow outdoors: May 14 to Jun 4Plant for fall: Jul 22 to Aug 5
Sow outdoors: May 14 to May 28
Transplant outside: May 21 to Jun 11
Plant for fall: Sep 23 to Oct 28
Start indoorsTransplant outsideSow outdoorsPlant for fallMedian frost dates
When to plant vegetables in Harman, WV
| Crop | Start indoors | Transplant | Sow outdoors | Fall crop |
|---|---|---|---|---|
| Onions | Feb 12 – Feb 26 | Apr 9 – Apr 23 | — | — |
| Peppers | Feb 26 – Mar 12 | May 21 – Jun 4 | — | — |
| Eggplant | Feb 26 – Mar 12 | May 21 – Jun 4 | — | — |
| Tomatoes | Mar 12 – Mar 26 | May 14 – May 28 | — | — |
| Lettuce | Mar 12 – Mar 26 | Apr 16 – Apr 30 | Apr 9 – May 14 | Aug 12 – Sep 9 |
| Kale | Mar 12 – Mar 26 | Apr 9 – Apr 23 | Apr 9 – Apr 23 | Jul 29 – Aug 19 |
| Broccoli | Mar 12 – Mar 26 | Apr 23 – May 7 | — | Jul 1 – Jul 22 |
| Cabbage | Mar 12 – Mar 26 | Apr 16 – Apr 30 | — | Jul 1 – Jul 22 |
| Cauliflower | Mar 12 – Mar 26 | Apr 23 – May 7 | — | Jul 1 – Jul 22 |
| Okra | Mar 26 – Apr 9 | May 28 – Jun 11 | May 28 – Jun 11 | — |
| Basil | Mar 26 – Apr 9 | May 14 – May 28 | — | — |
| Peas | — | — | Mar 26 – Apr 16 | Jul 15 – Aug 5 |
| Spinach | — | — | Mar 26 – Apr 16 | Aug 12 – Sep 2 |
| Radishes | — | — | Apr 2 – May 14 | Aug 26 – Sep 16 |
| Cucumbers | Apr 9 – Apr 16 | May 21 – May 28 | May 14 – May 28 | Jul 22 – Aug 5 |
| Zucchini & Summer Squash | Apr 9 – Apr 16 | — | May 14 – May 28 | Jul 29 – Aug 12 |
| Winter Squash & Pumpkins | Apr 9 – Apr 16 | — | May 14 – May 28 | — |
| Melons & Watermelon | Apr 9 – Apr 16 | May 21 – Jun 4 | — | — |
| Carrots | — | — | Apr 16 – May 14 | Jul 15 – Jul 29 |
| Beets | — | — | Apr 16 – May 14 | Jul 29 – Aug 12 |
| Potatoes | — | — | Apr 16 – May 7 | — |
| Swiss Chard | — | — | Apr 23 – May 21 | Jul 29 – Aug 12 |
| Cilantro | — | — | Apr 23 – May 14 | Aug 12 – Sep 2 |
| Green Beans | — | — | May 14 – Jun 4 | Jul 22 – Aug 5 |
| Sweet Corn | — | — | May 14 – May 28 | — |
| Sweet Potatoes | — | May 21 – Jun 11 | — | — |
| Garlic | — | — | — | Sep 23 – Oct 28 |
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 Elkins 21 Ene, WV weather station, 11 km away (elevation 3,389 ft (1,033 m)).
Frost dates near Harman
- Dryfork May 7 · Oct 7
- Onego Apr 30 · Oct 11
- Seneca Rocks Apr 30 · Oct 11
- Bowden May 15 · Oct 3
- Hendricks Apr 24 · Oct 24
- Davis May 9 · Oct 10
- Whitmer May 15 · Oct 3
- Hambleton Apr 24 · Oct 24
- Riverton Apr 30 · Oct 11
- Cabins Apr 23 · Oct 20
Frequently asked questions
When is the last frost in Harman, WV?
The median last spring frost in Harman, WV is May 7. There is still about a 10% chance of frost after May 27, so wait until then to plant frost-tender crops like tomatoes and peppers.
When is the first frost in Harman, WV?
The median first fall frost is October 7, with about a 10% chance of frost before September 24.
How long is the growing season in Harman, WV?
About 153 days between the median last spring frost and first fall frost.
What planting zone is Harman, WV?
Harman, WV is in USDA hardiness zone 5b.