When to plant sweet potato in Chula Vista
Sweet potato is frost-tender, so every date keys off Chula Vista's last spring frost.
Step 1 · Sow
Direct sow outdoors
May 13 – Jun 3
Sow straight into warm, workable soil.
Step 2 · Harvest
Harvest window
Aug 11 – Sep 10
Picking runs until conditions turn against the crop.
Window
Days to maturity
90 – 120 d
From sowing to first pick.
Common questions
When can I sow sweet potato outdoors in Chula Vista?
Direct-sow around mid May (May 13–Jun 3) in Chula Vista, based on its local frost dates. Confidence 78%.
When will sweet potato be ready to harvest in Chula Vista?
Expect to harvest from around mid August (Aug 11–Sep 10) 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 sweet potato to maturity outdoors.
The rule of thumb
Sow sweet potato 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.