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Azalea

Rhododendron luteum

shrub

A deciduous to semi-evergreen shrub producing fragrant, bright yellow flowers in spring before the leaves fully emerge. Azaleas are deciduous rhododendrons known for their spectacular blooms and are excellent for woodland gardens and mixed borders. They require acidic soil and consistent moisture.

Azalea

Common Problems

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Care Guide

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Light
Dappled shade or partial sun (3–6 hours of morning light); avoid hot afternoon sun which can fade flowers and stress plants.
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Water
Keep soil consistently moist during growing season and blooming; reduce slightly in winter but never allow soil to fully dry out.
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Soil
Acidic, well-draining soil (pH 4.5–6.0) enriched with peat, leaf mold, or compost. Excellent drainage is essential to prevent root rot.
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Fertiliser
Light feeding after flowering with acid-specific fertilizer; avoid high-nitrogen formulas. Organic matter amendments are preferable to chemical fertilizers.
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Temperature
Cold-hardy; prefers cool to moderate temperatures. Benefits from winter chilling for flower bud development.
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Humidity
Prefers moderate to high humidity; benefits from morning misting and mulching to retain soil moisture and humidity.

Toxicity

dangerousToxic to CatsdangerousToxic to DogsdangerousToxic to Children

Contains grayanotoxins similar to other rhododendrons; all parts are toxic, particularly leaves and flowers, causing GI upset and cardiac effects.

Common Diseases

Common Pests

Seasonal Care

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Resume regular watering and feeding as growth picks up.

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Peak growing season. Water and feed regularly.

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Reduce watering as growth slows. Stop heavy feeding.

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Minimal watering and feeding. Protect from frost if needed.

Azalea Care Guide — Rhododendron luteum | GreenScout