Sweet Potato illustration 🍠

🍠 Growing Sweet Potato in Zone 13b

Zone 13b has a year-round growing season. Sweet Potato can be planted almost any time with proper planning. Last frost: Jan 1. First frost: Dec 31.

Planting Calendar

Indoor
Outdoor
Harvest
Nov 6Dec 31

Season: Jan 1 – Dec 31 (364 days)

Zone13b
Last FrostJan 1
First FrostDec 31
Season Length364 days
Days to Harvest100
SunFull Sun
Frost ToleranceNone
Spacing1/sqft (12" apart)

When to Plant Sweet Potato in Zone 13b

Start Seeds Indoors: Nov 6

Start Sweet Potato seeds indoors around Nov 6 (8 weeks before last frost). Optimal germination temperature: 85°F. Germinates in 14–21 days.

Transplant Outdoors: Jan 22

Transplant Sweet Potato seedlings outdoors after Jan 22. Wait until soil temperature reaches 65°F. Space plants at 1/sqft (12" apart). Harden off plants for a week before moving outside.

Harvest: Apr 22

First harvest approximately Apr 22 (~90 days from transplant). Continue harvesting until first frost (Dec 31).

Companion Planting

Plan Your Sweet Potato Garden

Track Sweet Potato from seed to harvest with personalized frost dates, watering recommendations, and companion planting visualization.

Start Free Sweet Potato Growing Guide