When to plant summer squash / zucchini in Santa Ana
Summer squash / Zucchini is frost-tender, so every date keys off Santa Ana's last spring frost.
Step 1 · Sow
Direct sow outdoors
Mar 14 – Apr 4
Sow straight into warm, workable soil.
Step 2 · Harvest
Harvest window
Apr 28 – May 13
Picking runs until conditions turn against the crop.
Window
Days to maturity
45 – 60 d
From sowing to first pick.
Common questions
When can I sow summer squash / zucchini outdoors in Santa Ana?
Direct-sow around mid March (Mar 14–Apr 4) in Santa Ana, based on its local frost dates. Confidence 82%.
When will summer squash / zucchini be ready to harvest in Santa Ana?
Expect to harvest from around late April (Apr 28–May 13) 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 summer squash / zucchini to maturity outdoors.
The rule of thumb
Sow summer squash / zucchini 6–8 weeks before your last spring frost; plant out 2–3 weeks after it. 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.