When to plant winter squash / pumpkin in Chula Vista

Winter squash / Pumpkin is frost-tender, so every date keys off Chula Vista's last spring frost.
Step 1 · Sow
Direct sow outdoors
Apr 9 – Apr 30
Sow straight into warm, workable soil.
Step 2 · Harvest
Harvest window
Jul 3 – Aug 7
Picking runs until conditions turn against the crop.
Window
Days to maturity
85 – 120 d
From sowing to first pick.

Common questions

When can I sow winter squash / pumpkin outdoors in Chula Vista?

Direct-sow around early April (Apr 9–Apr 30) in Chula Vista, based on its local frost dates. Confidence 78%.

When will winter squash / pumpkin be ready to harvest in Chula Vista?

Expect to harvest from around early July (Jul 3–Aug 7) in Chula Vista, based on its local frost dates. Confidence 72%.

How long is the growing season in Chula Vista?

Chula Vista has roughly 365 frost-free days, which is enough time to grow winter squash / pumpkin to maturity outdoors.

The rule of thumb

Sow winter squash / pumpkin 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 Chula Vista's frost dates.

Confidence 80/100 · Curated · based on NOAA GHCN-Daily 1991–2020 normal · frost dates are probabilities, not guarantees.