shrub

Klondyke azalea

Rhododendron obtusum 'Klondyke'

Not currently listed at our partner nurseries.

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Essentials

At a Glance

Plant Type

Shrub

Height

72 inches

Width

60 inches

Light

Partial Sun, Shade

Zones

5, 6, 7, 8

Water

Moderate

Humidity

High

Lifespan

20+ years

Native To

Hybrid

Toxicity

All parts are highly toxic if ingested

The Story

Plant Bio

Rhododendron 'Klondyke' is a vigorous, upright, deciduous azalea from the Exbury group, prized for its large trusses of fragrant, golden-yellow flowers with a deeper yellow flare. The foliage emerges with bronze tints, turns green in summer, and develops good fall color. This cultivar is celebrated for its large, fragrant, golden-yellow flowers that appear in late spring. It has a strong, upright habit and its foliage provides multi-season interest.

Bloom Period:

EarlyLate

Uses & Benefits:

Provides vibrant, early spring color with fragrant blooms and evergreen foliage, enhancing shaded garden areas.

Acts as a natural windbreak and privacy hedge in shaded landscapes.

Supports pollinators like bees and hummingbirds during bloom season.

Marketplace

Where to Buy

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Planting

How to Grow

Select a well-drained, acidic soil with organic matter.
Tuck seeds or cuttings in early spring for best rooting.
Mist cuttings regularly to maintain humidity.
Plant in partial shade to protect from harsh midday sun.
Water consistently, especially during dry spells, for 6 weeks.
Mulch around the base to retain moisture and regulate soil temperature.

Pro Tip

Use a layered mulch to keep roots cool and moist, promoting healthy growth.

Keep It Thriving

Care Guide

Do

Water regularly to keep soil moist but not waterlogged 🌱
Apply acidic fertilizer in early spring and mid-summer
Prune after flowering to shape and remove deadwood
Mulch annually to conserve moisture and suppress weeds

Don't

Avoid overwatering which can cause root rot ❌
Do not fertilize with alkaline fertilizers
Refrain from heavy pruning in late fall or winter
Never plant in alkaline or poorly drained soils

Seasonal Care Calendar

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

Watch Out For

Pests & Diseases

Common Pests

Common Diseases

In the Garden

Landscape Uses & Companions

Landscape Uses

Evergreen shrub for a shaded woodland or borderFragrant hedge with vibrant spring bloomsAccent plant in shaded rock gardens

Companion Plants

Hosta Ferns Japanese maples Azaleas Camellias

Multiply

Propagation Methods

Good to Know

Common Questions

Klondyke azalea questions

What zones can Klondyke azalea grow in?

Klondyke azalea is hardy in USDA Zones 5–8. Inside that range it survives winter in the ground; outside it, grow it as an annual or a container plant you protect.

Is Klondyke azalea deer resistant?

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

When does Klondyke azalea bloom?

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

Does Klondyke azalea need full sun?

Klondyke azalea does best in part shade.