Petunia

Petunia × hybrida

Solanaceae · flowers · South America

Low Maintenance

About Petunia

The world's most popular bedding plant, producing a non-stop cascade of trumpet-shaped flowers in every imaginable color and pattern. Wave petunias revolutionized container gardening with their trailing habit.

Growing Conditions

☀️

Sun

Full Sun

💧💧

Water

Medium

🌱

Soil

Well-drained

📈

Growth Rate

Fast

🌸

Bloom Season

Spring-Fall

🌈

Bloom Color

Mixed

Size & Dimensions

Height

Spread

Hardiness Zone Range

Suitable for USDA Zones 2 through 11

Plant Details

Family	Solanaceae
Category	Flowers
Native Region	South America
Scientific Name	Petunia × hybrida

Care Tips

✓Fertilize every 2 weeks for best bloom.
✓Trim back leggy plants by half in midsummer for revival.
✓Water regularly but don't overwater.
✓Excellent in hanging baskets.

Fun Facts

★Related to tomatoes and tobacco — all in the nightshade family.
★The first petunia hybrid was created in 1834.
★Wave petunias, introduced in 1995, can spread up to 4 feet from a single plant.

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Data verified: 2026-04

USDA Plants Database Missouri Botanical Garden

Frequently Asked Questions

What USDA hardiness zones can Petunia grow in?

Petunia (Petunia × hybrida) thrives in USDA hardiness zones 2 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 Petunia need?

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

How tall and wide does Petunia grow?

Petunia typically reaches 1' tall with a spread of 2'. It has a fast growth rate and requires low maintenance. Plan your garden spacing accordingly to give it room to reach its full size.

Is Petunia deer resistant?

Petunia 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 Petunia bloom?

Petunia blooms in spring-fall, producing mixed flowers. This plant is grown primarily for ornamental purposes. It belongs to the Solanaceae family and is native to South America.

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