When to plant onion in Huntington Beach
Onion is cold-hardy, so every date keys off Huntington Beach's frost dates.
Step 1 · Sow
Direct sow outdoors
Jan 1 – Jan 22
Sow straight into warm, workable soil.
Step 2 · Harvest
Harvest window
Apr 1 – Apr 21
Picking runs until conditions turn against the crop.
Window
Days to maturity
90 – 110 d
From sowing to first pick.
Common questions
When can I sow onion outdoors in Huntington Beach?
Direct-sow around early January (Jan 1–Jan 22) in Huntington Beach, based on its local frost dates. Confidence 76%.
When will onion be ready to harvest in Huntington Beach?
Expect to harvest from around early April (Apr 1–Apr 21) in Huntington Beach, based on its local frost dates. Confidence 70%.
How long is the growing season in Huntington Beach?
Huntington Beach has roughly 365 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 Huntington Beach's frost dates.
Confidence 78/100 · Curated · based on NOAA GHCN-Daily 1991–2020 normal · frost dates are probabilities, not guarantees.