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Zones 6-9
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Zones 6-9

Autumn Lily Encore® Azalea

Rhododendron 'Roblex' (PP# 25,073)

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Autumn Lily Encore® Azalea

Rhododendron 'Roblex' (PP# 25,073)

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Ships week of 03/10/2024

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#3 Container

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Special Features
Zone Map
Attracts Butterflies
Fall Color

Botanical Name

Rhododendron 'Roblex' (PP# 25,073)

Outdoor Growing zone


Mature Height


Mature Width


Sun needs

Full Sun, Partial Sun, Shade

The Autumn Lily™ Encore® Azalea is the top-pick for growing in zone 6, where other evergreen azaleas will not always thrive. Unlike older types of azaleas, this plant is in bloom not just in spring, but also in fall, with a grand ‘encore’ of flowers, as well as producing flowers during summer. The flowers are pure-white, with an occasional purple stripe on some, and its neutral coloring is perfect for foundation planting in sun, partial shade, or light full shade. This vigorous and robust plant will grow 4½ feet tall, and 4 feet across, making it ideal in corners of your beds, mixed among other flowering shrubs in beds, woodland areas, or as a bold informal hedge.

  • The best Encore Azalea for zone 6
  • Pure white blooms perfect with all other colors
  • Robust plant to 4½ feet tall
  • Blooms in spring and fall and summer too
  • Easily grown in any acidic soil

The Autumn Lily Encore Azalea can be grown in all light conditions except for very deep shade, and it grows best in acidic soil, with a pH of 6.5 or less. In neutral and alkaline soils it can often be grown successfully, by treating once or twice a year with chelated iron. For guaranteed success, grow it in a large pot or planter, using potting soil for acid-loving plants and fertilizer for azaleas. Grow in well-drained but moist soil, watering established garden plants regularly during drier weather, and container plants when the top inch of soil is dry. Do not grow in very wet soil, or areas that are often dry. This plant has no significant pests or diseases, and it is easy to grow in all suitable soils.

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