When to plant sweet potato in Brownsville
Sweet potato is frost-tender, so every date keys off Brownsville's last spring frost.
Step 1 · Sow
Direct sow outdoors
Feb 1 – Feb 22
Sow straight into warm, workable soil.
Step 2 · Harvest
Harvest window
May 2 – Jun 1
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 Brownsville?
Direct-sow around early February (Feb 1–Feb 22) in Brownsville, based on its local frost dates. Confidence 73%.
When will sweet potato be ready to harvest in Brownsville?
Expect to harvest from around early May (May 2–Jun 1) in Brownsville, based on its local frost dates. Confidence 68%.
How long is the growing season in Brownsville?
Brownsville 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 Brownsville's frost dates.
Confidence 75/100 · Curated · based on NOAA GHCN-Daily 1991–2020 normal · frost dates are probabilities, not guarantees.