🍠 When to Plant Sweet Potatoes in Zone 13

Zone 13 is frost-free (Warmest tropical coasts and territories) — plant sweet potatoes nearly year-round, avoiding peak summer heat.

No frost windows apply in zone 13. Plant sweet potatoes in late winter for a pre-summer harvest and again in late summer — peak heat is the season to avoid, not frost.
Zone 13 frost window
Frost-free
Warmest tropical coasts and territories
Spacing
12″ / 36″
plants / rows
Maturity
90–120 days
from transplant

Growing sweet potatoes in zone 13

Sweet potatoes grow from slips (rooted cuttings), not seed — order them or sprout your own from a store tuber. Plant well after frost into warm soil, then dig before soil temps drop in fall and cure for sweetness.

Zone 13 covers warmest tropical coasts and territories — tropical — heat-loving crops thrive; classic cool-season crops need the coolest window.

Make it local

These windows use zone 13's typical frost dates. For windows computed from your frost dates, run the ZIP code frost lookup and open the planting calendar — it remembers your city. The seed starting scheduler turns the whole seed rack into one printable, date-sorted list.

Frequently asked questions

When should I plant sweet potatoes in zone 13?

Zone 13 is frost-free, so timing flips from frost-avoidance to heat management: plant sweet potatoes nearly year-round, avoiding peak summer heat. Late winter and late summer plantings avoid fruiting during the hottest stretch.

Does sweet potatoes grow well in zone 13?

Yes — heat-loving crops like sweet potatoes thrive in zone 13, often across a far longer window than mainland gardens get. Watch water needs and intense midsummer sun.