Impatiens

Impatiens walleriana

Balsaminaceae · flowers · East Africa

Low Maintenance

About Impatiens

The go-to shade-loving annual, producing masses of colorful flowers in the darkest garden corners where little else blooms. Available in nearly every color except blue. New Guinea impatiens tolerate more sun.

Growing Conditions

⛅

Sun

Part Shade to Full Shade

💧💧

Water

Medium

🌱

Soil

Rich, Moist

📈

Growth Rate

Fast

🌸

Bloom Season

Spring-Fall

🌈

Bloom Color

Mixed

Size & Dimensions

1' 6"

Height

1' 6"

Spread

Hardiness Zone Range

Suitable for USDA Zones 10 through 11

Plant Details

Family	Balsaminaceae
Category	Flowers
Native Region	East Africa
Scientific Name	Impatiens walleriana

Care Tips

✓Keep soil consistently moist.
✓No deadheading needed — self-cleaning.
✓Pinch for bushier growth.
✓Watch for downy mildew — choose resistant varieties.
✓Feed monthly.

Fun Facts

★Called 'touch-me-nots' because ripe seed pods explode when touched, flinging seeds several feet.
★Downy mildew devastated traditional impatiens since 2012, leading to resistant SunPatiens and New Guinea types.

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Data verified: 2026-04

USDA Plants Database Missouri Botanical Garden

Frequently Asked Questions

What USDA hardiness zones can Impatiens grow in?

Impatiens (Impatiens walleriana) thrives in USDA hardiness zones 10 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 Impatiens need?

Impatiens requires part shade to full shade and has medium water needs. It grows best in rich, moist soil. Regular watering is recommended, especially during dry periods.

How tall and wide does Impatiens grow?

Impatiens typically reaches 1' 6" tall with a spread of 1' 6". 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 Impatiens deer resistant?

Impatiens 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 Impatiens bloom?

Impatiens blooms in spring-fall, producing mixed flowers. This plant is grown primarily for ornamental purposes. It belongs to the Balsaminaceae family and is native to East Africa.

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