Deciduous & Flowering Shrubs
Glacier azalea
Azalea hybrid 'Glacier'
Azalea 'Glacier' is an evergreen shrub with white spring flowers suited to acid-soil borders and sheltered woodland edges in Southwest Washington. It reaches about 3 feet after ten years and generally grows to around 5 feet at maturity, so leave room for its eventual width as well as its early size. Place it in partial shade or open shade, away from hot afternoon sun. Moist, acidic, well-drained soil supports its shallow roots; mulch the root area and water during dry stretches. In winter-wet gardens, set the root ball slightly high to reduce the chance of saturated roots and eventual plant decline.
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At a glance
- Mature height
- About 5 feet
- Mature spread
- About 5–6 feet
- Light
- Partial shade to open shade
- Hardiness
- Generally USDA zones 6–9
The right plant, the right place
Make room for something good.
White spring flowers give this evergreen azalea a place in an acid-soil shrub border or sheltered woodland edge. Allow for its mature width when grouping plants.
Where to plant
Choose partial shade or open shade with protection from hot afternoon sun. Set the root ball slightly high where winter drainage is slow.
Through the seasons
White flowers appear in spring, while the foliage remains evergreen. Any shaping can follow the bloom.
Southwest Washington gardens
Give it a good start.
Southwest Washington’s maritime conditions can suit 'Glacier' where soil is acidic and drains well. Check leaf undersides for lace bugs, especially on exposed plants.
Soil, drainage & water
Provide moist, acidic, well-drained soil with organic matter. Keep moisture steady during dry weather, but avoid saturated roots.
A little care goes a long way
Growing well, season after season.
Mulch over the shallow roots and water during dry periods. If shaping is needed, prune after flowering.
Know what to look for
Common growing concerns.
Symptoms can have more than one cause. These notes are a starting point for observing your plant and improving its growing conditions.
Azalea lace bug
Leaves may look stippled, bleached, or dirty, with insects visible underneath.
Help your plant thrive
Choose a sheltered site with some shade and check leaf undersides regularly. Follow regional pest guidance if insects appear.
Root rot
Yellowing, wilting, or dieback may follow prolonged wet soil.
Help your plant thrive
Plant slightly high in well-drained acidic soil and avoid keeping the roots saturated.
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Explore this plantGood gardens start with a conversation
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