When to plant swiss chard in Santa Ana
Swiss chard is cold-hardy, so every date keys off Santa Ana's frost dates.
Step 1 · Sow
Direct sow outdoors
Jan 1 – Jan 22
Sow straight into warm, workable soil.
Step 2 · Harvest
Harvest window
Feb 20 – Mar 2
Picking runs until conditions turn against the crop.
Window
Days to maturity
50 – 60 d
From sowing to first pick.
Common questions
When can I sow swiss chard outdoors in Santa Ana?
Direct-sow around early January (Jan 1–Jan 22) in Santa Ana, based on its local frost dates. Confidence 82%.
When will swiss chard be ready to harvest in Santa Ana?
Expect to harvest from around mid February (Feb 20–Mar 2) in Santa Ana, based on its local frost dates. Confidence 76%.
How long is the growing season in Santa Ana?
Santa Ana has roughly 365 frost-free days, which is enough time to grow swiss chard to maturity outdoors.
The rule of thumb
Sow swiss chard 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 Santa Ana's frost dates.
Confidence 85/100 · Curated · based on NOAA GHCN-Daily 1991–2020 normal · frost dates are probabilities, not guarantees.