When to plant onion in Virginia Beach
Onion is cold-hardy, so every date keys off Virginia Beach's frost dates of Mar 24.
Step 1 · Sow
Start seeds indoors
Jan 13 – Feb 3
Before your last frost, on a warm windowsill or heat mat.
Step 2 · Plant
Transplant outdoors
Mar 25 – Apr 15
Once frost risk has passed and nights stay mild.
Step 3 · Harvest
Harvest window
Jun 23 – Jul 13
Picking runs until conditions turn against the crop.
Window
Days to maturity
90 – 110 d
Virginia Beach's 237-day season leaves this much room.
Onion on Virginia Beach's growing year
Frost-bounded season with crops mapped onto the 12-month axis.
Frost risk Growing Harvest
JAN
FEB
MAR
APR
MAY
JUN
JUL
AUG
SEP
OCT
NOV
DEC
FROST
FROST
MAR 24
NOV 17
Common questions
When will onion be ready to harvest in Virginia Beach?
Expect to harvest from around late June (Jun 23–Jul 13) in Virginia Beach, based on its local frost dates. Confidence 78%.
When should I start onion seeds indoors in Virginia Beach?
Start seeds indoors around mid January (Jan 13–Feb 3) in Virginia Beach, based on its local frost dates. Confidence 83%.
When can I transplant onion outdoors in Virginia Beach?
Transplant outdoors around late March (Mar 25–Apr 15) in Virginia Beach, based on its local frost dates. Confidence 84%.
How long is the growing season in Virginia Beach?
Virginia Beach has roughly 237 frost-free days, which is enough time to grow onion to maturity outdoors.
The rule of thumb
Sow onion as soon as the soil is workable — it tolerates cool weather and light frost. Every date on this page is derived from that rule and Virginia Beach's frost dates.
Confidence 87/100 · Curated · based on NOAA GHCN-Daily 1991–2020 normal · frost dates are probabilities, not guarantees.