shrub

Autumn Amethyst Azalea

Rhododendron 'Conlee'

Not currently listed at our partner nurseries.

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Essentials

At a Glance

Plant Type

Shrub

Height

48 inches

Width

48 inches

Light

Full Sun, Partial Sun

Zones

6, 7, 8, 9

Water

Moderate

Humidity

Moderate to high

Lifespan

Long-lived

Native To

Hybrid Origin

Toxicity

All parts are toxic if ingested

The Story

Plant Bio

A compact evergreen azalea that is part of the Encore series, known for its ability to bloom multiple times a year. It has small, glossy green leaves that may take on a purplish cast in winter. 'Autumn Amethyst' is prized for its vibrant, single, 2-inch purple flowers that appear in spring, summer, and fall. Its foliage turns a deep purple in winter, providing year-round color.

Bloom Period:

EarlyLate

Uses & Benefits:

Provides an exceptionally long season of color, with vibrant purple flowers blooming in spring, summer, and fall. The foliage adds winter interest by turning a rich purple.

Its compact, mounding habit is perfect for foundation plantings, mixed borders, and even large containers where its multi-season display can be appreciated up close.

The successive blooms provide a continuous nectar source for pollinators like bees, butterflies, and hummingbirds throughout the growing season.

Marketplace

Where to Buy

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Planting

How to Grow

Select a site with acidic, well-drained soil and filtered sun.
Dig a hole as deep as the root ball and twice as wide.
Amend soil with organic matter like compost or pine bark.
Set the plant so the top of the root ball is slightly above soil level.
Backfill and water thoroughly.
Apply a 2-3 inch layer of pine straw or bark mulch.

Pro Tip

Plant in a location with morning sun and afternoon shade for best performance and flower longevity.

Keep It Thriving

Care Guide

Do

Maintain acidic soil conditions (pH 4.5-6.0).
Water consistently, especially in summer heat, to support reblooming.
Mulch well to protect the shallow root system.
Fertilize with an acid-forming fertilizer after the spring bloom.

Don't

Do not plant too deep; azaleas are shallow-rooted.
Do not let the soil dry out completely between waterings.
Avoid using lime or fresh manure around the plant.
Do not prune late in the season, as this will remove fall flower buds.

Seasonal Care Calendar

Task	Jan	Feb	Mar	Apr	May	Jun	Jul	Aug	Sep	Oct	Nov	Dec
Fertilize
Mulch
Prune

Watch Out For

Pests & Diseases

Common Pests

Common Diseases

In the Garden

Landscape Uses & Companions

Landscape Uses

Multi-season blooming foundation plantColorful accent in mixed bordersMass planting for waves of color

Companion Plants

Pieris japonica Kalmia latifolia Athyrium niponicum 'Pictum' Hosta spp. Heuchera spp.

Multiply

Propagation Methods

Good to Know

Common Questions

Autumn Amethyst Azalea questions

What zones can Autumn Amethyst Azalea grow in?

Autumn Amethyst Azalea is hardy in USDA Zones 6–10. Inside that range it survives winter in the ground; outside it, grow it as an annual or a container plant you protect.

Is Autumn Amethyst Azalea deer resistant?

Yes — Autumn Amethyst Azalea is rated deer-resistant. Deer typically pass it over, though extreme hunger can override any plant's defenses.

When does Autumn Amethyst Azalea bloom?

Autumn Amethyst Azalea typically blooms in mid-spring through late fall. Exact timing shifts a week or two with your zone — Sow's bloom calendar maps it to your garden.

Does Autumn Amethyst Azalea need full sun?

Autumn Amethyst Azalea does best in full sun to part shade. In hot climates, afternoon shade keeps blooms fresher longer.