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How to Grow Azalea

Reviewed by MyLocalPlanting Editorial Team Updated Sources
Azalea (Rhododendron spp. (azalea group))

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Plant nursery stock — skip years of growing from seed.

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Supplies You'll Need

Watering Can

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Plant Overview

Scientific Name Rhododendron spp. (azalea group)
Category shrub
Type Shrub (nursery stock)
Days to Maturity 365 days
Starting Method Nursery Stock

Growing Requirements

Sun

Part Shade (dappled light)

Water

Regular; acidic, well-drained soil

Spacing

4 ft apart

Height

3-5 ft

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Companion Planting Guide for Azalea

Discover which plants grow well with Azalea and which to keep at a distance for a healthier garden →

Seed Saving Guide

Vegetative propagation

Propagate vegetatively, not by seed

Semi-hardwood cuttings in summer or simple layering; named cultivars are not grown from seed.

Azalea Planting Calendar by Zone

Zone 1a Zone 1b Zone 2a Zone 2b Zone 3a Zone 3b Zone 4a Zone 4b Zone 5a Zone 5b Zone 6a Zone 6b Zone 7a Zone 7b Zone 8a Zone 8b Zone 9a Zone 9b Zone 10a Zone 10b Zone 11a Zone 11b Zone 12a Zone 12b Zone 13a

Azalea Planting Calendar by State

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Frequently Asked Questions

When should I plant Azalea? +

Plant container-grown or bare-root Azalea in early spring, 2 weeks before your last frost date — or in early fall once summer heat breaks. Use the search on this page to find exact dates for your location.

How long does Azalea take to grow? +

Azalea typically blooms in about 365 days from planting. Exact timing varies by variety, soil conditions, and local climate.

Should I start Azalea indoors or direct sow? +

Neither — Azalea isn't grown from seed at home. Buy a container-grown or bare-root plant from a nursery and plant it outdoors at the right time for your local frost dates.

How much sun does Azalea need? +

Azalea requires part shade (dappled light) to thrive.

How far apart should I plant Azalea? +

Space Azalea plants 48 inches apart to allow adequate airflow and root development.

How much water does Azalea need? +

Azalea has regular; acidic, well-drained soil water needs. Consistent moisture is important especially during germination and early growth.

Can you save seeds from Azalea? +

Azalea is not typically propagated by seed. Semi-hardwood cuttings in summer or simple layering; named cultivars are not grown from seed.

About Azalea

Spring-blooming shrub for dappled shade and acidic soil (pH 4.5–6.0). Roots are shallow — plant the root ball an inch high, mulch well, and never let it sit in soggy ground.

Expect your Azalea to be ready for harvest in approximately 365 days from planting.

Use the search above or browse by zone or state to find the perfect planting dates for your location.