Sweet Potato

Botanical Name: Ipomoea batatas
Common Name: Sweet Potato

The sweet potato is a tropical perennial plant grown as an annual in our climates. It develops long creeping stems and large heart-shaped leaves. Its main appeal lies in its elongated tubers with sweet flesh, ranging from creamy white to vibrant orange depending on the variety. Highly valued for its nutritional content, its cultivation adapts well to our warm summers if the soil is light and well-drained.

Characteristics

Type: Annual vegetable plant (perennial in tropical climates)

Habit: Creeping, ground cover

Foliage: Bright green to purplish, lobed, ornamental

Flowering: Rare in temperate climates — small funnel-shaped mauve flowers (resembles morning glory flower)

Tubers: Elongated, thin skin, white, orange or purple flesh depending on the variety

Taste: Sweet, slightly mealy (depending on cooking)

Exposure: Full sun

Hardiness: Not hardy (zone 10+) — destroyed by frost

Maintenance

Soil: Light, sandy, loose, well-drained, rich in organic matter

Watering: Moderate — tolerates light drought once well established

Staking: Unnecessary — creeping growth (can be grown in a hanging pot or on a mound)

Cultivation: Planting young plants or cuttings (slips) after the last frosts

Harvest: 4 to 5 months after planting, before the first frosts — when leaves turn yellow

Benefits

• Tubers rich in beta-carotene, vitamins, and fiber

• Excellent alternative to potatoes in warm climates

• Very ornamental with its heart-shaped leaves and colorful foliage

• Keeps well after harvest (stored in a dry, dark place)