Watermelon

Citrullus lanatus

Cucurbitaceae · vegetables · Africa

EdibleMedium Maintenance

About Watermelon

The quintessential summer fruit, producing juicy red-fleshed fruits that can weigh 5-50+ pounds. Needs a long, hot growing season. Also available in yellow and seedless varieties. 92% water.

Growing Conditions

☀️

Sun

Full Sun

💧💧

Water

Medium

🌱

Soil

Rich, Well-drained

📈

Growth Rate

Fast

🌸

Bloom Season

Summer

🌈

Bloom Color

Yellow

Size & Dimensions

Height

10'

Spread

Hardiness Zone Range

Suitable for USDA Zones 3 through 11

Plant Details

Family	Cucurbitaceae
Category	Vegetables
Native Region	Africa
Scientific Name	Citrullus lanatus

Care Tips

✓Plant after soil is 70°F.
✓Give plenty of room — vines spread 10+ feet.
✓Consistent water until fruit sets, then reduce.
✓Harvest when tendril nearest fruit turns brown and ground spot turns yellow.

Fun Facts

★92% water by weight.
★The world record watermelon weighed 350.5 pounds.
★Every part is edible including rind (pickled) and seeds (roasted).
★Mark Twain called it 'the food angels eat.'.

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Data verified: 2026-04

USDA Plants Database Missouri Botanical Garden

Frequently Asked Questions

What USDA hardiness zones can Watermelon grow in?

Watermelon (Citrullus lanatus) thrives in USDA hardiness zones 3 through 11. This means it can tolerate winter temperatures typical of these zones. Check your local zone to ensure it is suitable for your area.

How much sun and water does Watermelon need?

Watermelon requires full sun and has medium water needs. It grows best in rich, well-drained soil. Regular watering is recommended, especially during dry periods.

How tall and wide does Watermelon grow?

Watermelon typically reaches 1' tall with a spread of 10'. It has a fast growth rate and requires medium maintenance. Plan your garden spacing accordingly to give it room to reach its full size.

Is Watermelon deer resistant?

Watermelon is not typically considered deer resistant. If deer are common in your area, consider protecting young plants with fencing or using deer repellent sprays during the growing season.

When does Watermelon bloom and is it edible?

Watermelon blooms in summer, producing yellow flowers. Parts of this plant are edible and can be used in cooking or eaten fresh. It belongs to the Cucurbitaceae family and is native to Africa.

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