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Encore® Autumn Lily® Azalea

Rhododendron 'Roblex'

  • Double Blooming Encore® Azalea Flowers in Spring and Fall for Extended Color
  • Heat Tolerant: Thrives in Zones 6-10
  • Great Choice for Privacy Screen or Hedge
  • Pollinator-Friendly - Attracts Hummingbirds
  • Moderate-Growing in Full Sun
Sale price $4833 Regular price $7491
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Plant Size

Specifications

Plant specifications
Plant Characteristics Cold hardy, Evergreen, Flowering
Hardiness Zone 4a to 8b
Sunlight Full sun
Height 4-5 ft
Width 3-5 ft
Watering Needs High
Preferred Soil Loamy, Peaty, Sandy
Growth Rate Moderate
Growth Habit Bushy
Blooms In Spring, Summer, Fall
Flower Color White
Foliage Color Green, Other
Pet Safety Toxic to pets
Suitable Space Outdoors
Botanical Name Rhododendron 'Roblex'
Class Ericales, Magnoliopsida

Frequently Asked Questions

What USDA hardiness zones is the Encore Autumn Lily Azalea suitable for?

  • The Encore Autumn Lily Azalea thrives in USDA hardiness zones 6 through 10. This broad range makes it suitable for most temperate climates across the United States. Plant in partial shade for best bloom performance and foliage color.

What is the mature height and width of the Autumn Lily Encore Azalea?

  • The Encore Autumn Lily Azalea typically reaches 4-5 feet tall and wide at maturity. This upright evergreen maintains a naturally rounded form without frequent pruning. Plan spacing accordingly for its full size when planting your landscape design available at naturehills.com.

How much sunlight does the Autumn Lily Encore Azalea need for best blooming?

  • Encore Autumn Lily Azaleas thrive in part-shade conditions, producing their signature 3-inch white blooms from spring through fall. Too much direct sun can stress the plant and reduce flowering. Plant in a location with morning sun and afternoon shade for optimal blooming performance.

What type of soil does the Autumn Lily Encore Azalea prefer, and does it need acidic soil?

  • Encore Azaleas prefer well-draining, acidic soil with a pH between 4.5-6.0. Like all azaleas, Autumn Lily thrives in organically rich, slightly moist soil that never becomes waterlogged. Amend heavy clay with compost and plant at the same depth as the container.

How often should I water the Autumn Lily Encore Azalea, especially when newly planted?

  • Water newly planted Autumn Lily Azaleas daily for the first 2-3 weeks, then 2-3 times weekly once established. These hardy zone 6-10 shrubs prefer consistent moisture but well-draining soil. Check soil 2 inches down and water when dry - available at naturehills.com.

When is the best time to plant Encore Autumn Lily Azalea?

  • Plant Encore Autumn Lily Azalea in early spring or fall for best establishment in zones 6-10. Spring planting allows the shrub to develop strong roots before summer heat, while fall planting takes advantage of cooler temperatures and winter moisture. Choose a part-shade location with well-draining, acidic soil.

When and how should I prune the Autumn Lily Encore Azalea?

  • Prune Encore Autumn Lily Azaleas immediately after spring flowering ends, typically in late May or early June. Since this variety reblooms from summer into fall, pruning later will remove flower buds and reduce subsequent blooms. Make cuts just above outward-facing buds to maintain the natural upright form.

What is the bloom time and flower color of the Autumn Lily Encore Azalea?

  • The Encore Autumn Lily Azalea blooms in spring and repeats from summer into fall with 3-inch white flowers that occasionally feature a single purple stripe. These reblooming cycles attract butterflies and hummingbirds throughout the growing season. Plant in partial shade for best performance in zones 6-10.