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Growing sweet potatoes Guide 
A Quick Overview

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Growing sweet potatoes quick reference guide

Growing sweet potatoes Guide

The growing sweet potatoes quick reference guide below is designed as a quick overview of growing sweet potatoes. For more details on the different stages from seed to harvest go to the related pages link.


Quick Reference Guide

Veggie Garden Dairy
Vegetable Sweet Potato
Also Known As Kumara
Botanical Family - Convolvulaceae, Genus - Ipomoea, Species - I. batatas
Plant Type Warm season - perennial - root vegetable
Frost Tolerance Very Tender
Planting Position Grow in full sun - Requires at least 8-10 hours of direct sunlight daily.
Seed Viability 1 year
Germination Sweet potatoes set in sand for producing slips begin sprouting in 5-6 days at 70-95 F (21-35 C)
Growing Temp 70-95 F (21-35 C)
Seed to Transplant Slips ready 4-6 weeks from setting
Planting Method Slips or vine cuttings
When to Plant Spring
Time to Plant Wait until at least 2-3 weeks after the last average 32 F (0 C) freeze in your area and not before soil temperature are consistently 70 F (21 C) or above.
Seed Sowing Plant slips only
Plant Spacing Transplant slips - 12-18 inches (30-45 cm) apart with 3-4 feet (90-120 cm) between rows.
Soil Conditions Well drained - Low to moderate organic matter - low to medium fertility
Fertilizer Low fertilizer needs, 2-3 quarts per 100 sq feet (2.2-3.3 liters per 9.3 square meters) preplanting of All-Purpose 5-5-5 Organic Fertilizer icon, same rate for each side dressing.
When to Fertilize 2 weeks before planting - use liquid starter fertilizer at time of planting slips - side-dress after plants have begun new growth.
Days to Harvest 90-150 days - depending on conditions and variety

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