Shrubs
Rhododendron x 'Roblex'
Autumn Lily® Encore® azalea
An upright azalea with large white flowers, occasionally marked by a purple stripe. Deep green foliage supports a substantial, repeat-flowering display. It works particularly well in foundation groups and informal flowering hedges where its taller habit has room to develop.
At a glance
- Sun
- Morning sun to light shade; 4–6 hours of sun for best bloom
- Mature size
- 54 in. tall × 4 ft. wide
- Water
- Even moisture; well-drained soil
- Hardiness
- USDA zones 6a–10b
- Bloom
- White, occasionally purple-striped; spring with repeat summer–fall bloom
Sizes & prices
- #3Semi-double white evergreen, ever blooming azalea$41.99
Catalog updated September 8, 2026. This is not a live stock count; please call to confirm availability and price.
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Resistance & tolerances
- Drought
- Some tolerance once established; water during extended dry spells.
- Wet soil
- Avoid soggy or waterlogged soil.
Keep in mind: Azaleas and rhododendrons are toxic to dogs, cats and horses if eaten. Keep browsing pets away.
Seasonal interest
- Foliage
- Evergreen.
Growing & care
- Pruning
- Lightly shape immediately after the spring bloom, only if needed.
- Soil
- Acidic, moist, well-drained soil.
- Winter care
- Protect from drying winds; cold hardiness varies by selection.
Sources & photo credits
Photo: Photo: Reminiscent Herb Farm Nursery & Landscaping Inc.; used with the nursery's authorization. · Nursery-owned photograph; owner-authorized website use
Reviewed September 21, 2026. Growing conditions vary by location.