When to plant sweet potato in Los Angeles
Sweet potato is frost-tender, so every date keys off Los Angeles's last spring frost.
Step 1 · Sow
Direct sow outdoors
Apr 23 – May 14
Sow straight into warm, workable soil.
Step 2 · Harvest
Harvest window
Jul 22 – Aug 21
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 Los Angeles?
Direct-sow around late April (Apr 23–May 14) in Los Angeles, based on its local frost dates. Confidence 78%.
When will sweet potato be ready to harvest in Los Angeles?
Expect to harvest from around late July (Jul 22–Aug 21) in Los Angeles, based on its local frost dates. Confidence 72%.
How long is the growing season in Los Angeles?
Los Angeles 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 Los Angeles's frost dates.
Confidence 80/100 · Curated · based on NOAA GHCN-Daily 1991–2020 normal · frost dates are probabilities, not guarantees.