Azalea

Rhododendron spp.

Ericaceae · shrubs · Asia, North America

Low Maintenance

About Azalea

A flowering shrub in the rhododendron family producing masses of trumpet-shaped blooms in spring. Evergreen and deciduous varieties available. A staple of Southern gardens and Japanese garden design.

Growing Conditions

⛅

Sun

Part Shade

💧💧

Water

Medium

🌱

Soil

Rich, Acidic, Well-drained

📈

Growth Rate

Medium

🌸

Bloom Season

Spring

🌈

Bloom Color

Pink, Red, White, Purple

Size & Dimensions

Height

Spread

Hardiness Zone Range

Suitable for USDA Zones 5 through 9

Plant Details

Family	Ericaceae
Category	Shrubs
Native Region	Asia, North America
Scientific Name	Rhododendron spp.

Care Tips

✓Must have acidic soil (pH 4.5-6.0).
✓Plant high — don't bury root ball.
✓Mulch with pine needles or oak leaves.
✓Never cultivate around shallow roots.

Fun Facts

★Part of the Rhododendron genus.
★Azalea festivals in Japan draw millions of visitors.
★The honey from azalea-fed bees is called 'mad honey' and can be mildly toxic.

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Data verified: 2026-04

USDA Plants Database Missouri Botanical Garden

Frequently Asked Questions

What USDA hardiness zones can Azalea grow in?

Azalea (Rhododendron spp.) thrives in USDA hardiness zones 5 through 9. 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 Azalea need?

Azalea requires part shade and has medium water needs. It grows best in rich, acidic, well-drained soil. Regular watering is recommended, especially during dry periods.

How tall and wide does Azalea grow?

Azalea typically reaches 8' tall with a spread of 6'. It has a medium growth rate and requires low maintenance. Plan your garden spacing accordingly to give it room to reach its full size.

Is Azalea deer resistant?

Azalea 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 Azalea bloom?

Azalea blooms in spring, producing pink, red, white, purple flowers. This plant is grown primarily for ornamental purposes. It belongs to the Ericaceae family and is native to Asia, North America.

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