When to plant onions in West Virginia

Onions
Plant out in Charleston
Mar 5–Mar 26

Across West Virginia the window opens between March 1 and March 12. Find your city below; the dates follow each town's own average last frost.

Start indoors, Charleston
Jan 22–Feb 19
Plant out, Charleston
Mar 5–Mar 26
Last frost, Charleston
Apr 16

Start seeds indoors 8–12 weeks before the last frost; plant out 3–6 weeks before the last frost. Northern gardens need long-day varieties and southern gardens need short-day ones. A wrong pick gives small bulbs.

Onions planting dates by city

Start indoorsPlant outSow outdoorsFall plantingAverage last and first frost
JanFebMarAprMayJunJulAugSepOctNovDec
CharlestonMar 5–Mar 26
HuntingtonMar 1–Mar 22
MorgantownMar 12–Apr 2
ParkersburgMar 3–Mar 24
WheelingMar 9–Mar 30

Questions

When should I plant onions in West Virginia?

In Charleston, plant out from March 5 to March 26. Across West Virginia the window opens between March 1 and March 12, depending on the local last frost.

How is this date worked out?

Start seeds indoors 8–12 weeks before the last frost; plant out 3–6 weeks before the last frost. Frost dates are NOAA 1991–2020 averages for the weather station nearest each city.

More for West Virginia

Onions in other states

Frost dates for every city in West Virginia