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Autumn Amethyst Encore Azalea
Autumn Amethyst Encore Azalea produces an abundance of large, 2.5-inch diameter, stunning, vibrant pinkish-purple blooms in spring, summer, and fall that nearly cover the lustrous green foliage. Attractive purple foliage provides interest during the cool season. Scroll down for more details!

Autumn Amethyst Encore Azalea

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Autumn Amethyst Encore® Azalea
Rhododendron hybrid 'Conlee' PP18441

USDA Plant Hardiness Zones: 6a-9b  Find Your Zone

Note:  For our customers who live and garden north of USDA Plant Hardiness Zone 6a, where this Encore Azalea variety is not winter hardy outdoors, you can enjoy it in containers that can be moved indoors during winter and placed back outside when temperatures warm up in spring.

Special Attributes

In 1998, the release of the first reblooming Encore Azalea changed the Azalea world forever. Since then, over 30 Encore varieties have been released. When provided enough sunlight (6 or more hours per day) all varieties bloom in spring and then repeat summer into fall. 

Autumn Amethyst Encore Azalea produces an abundance of large and stunning vibrant pinkish-purple blooms in spring, summer, and fall that nearly cover the deep green foliage. Attractive purple foliage provides interest during the cool season. University trials have shown Autumn Amethyst to be one of the most cold tolerant varieties in the Encore series. The flowers are attractive to butterflies. 

Landscape & Garden Uses

Growing in a rounded mound to 4 feet tall and 4 feet wide,  Autumn Amethyst Encore Azalea is a perfect choice for groupings, mass plantings, mid-size hedges or an accent in landscape borders and home foundation plantings. It is also a fine selection for growing in containers and pots, which can be strategically placed to dress up decks, patios, porches, and other outdoor living spaces. Because they like sun to part shade, Encores do quite well under tall trees and along woodland borders. Butterflies love the flowers, and blooming branches serve very well for cutting to create stunning indoor floral arrangements.

Cultural Preferences

A little good advice goes a long way, especially when it comes to success with azaleas. We've been growing them in our gardens for decades.

Soil.  When planted right, and in the right spot, Encore Azaleas are among the easiest azaleas easy to grow. In the ground, they adapt well to most soil types. That said, some soils such as heavy clay, quick-draining sand, or otherwise poor soils might need to be amended to provide sufficient nutrients, better soil drainage, and/or moisture retention. 

In general, like all other azaleas, the Encores prefer an organically rich, moist but well-drained acidic soil. In containers, we recommend a 50/50 blend of professional potting mix and potting soil. Know that whether growing in the ground or in containers, constantly soggy or wet soil is problematic for azaleas, and most other plants for that matter. 

Sun.  Encore Azaleas will grow in sun or part shade. For best flowering and reblooming, we recommend at least 4 hours or more of direct sunlight per day. All-day lightly filtered sun, such as under tall trees, is okay. In regions that experience very hot summers with intense sunlight, Encore Azaleas might appreciate a break from direct sun during the hottest summer afternoon hours.

Note:  You can find more expert advice under the Planting & Care tab on this page. 

Helpful Articles

Click on the links below to get helpful advice from our experts on how to plant and care for Encore Azaleas

Plant Details & Attributes

USDA Cold Hardiness Zones: 6a-9b   Find Your Zone >
Plant Type:  Evergreen Flowering Shrub 
Height at Maturity:  4'
Width at Maturity:  4'
Spacing:  3.5' for solid hedges;  7'+ for space between plants
Growth Habit / Form:  Bushy, Dense, Mounding, Upright
Growth Rate:  Moderate
Flower Color:  Bright Pinkish-Purple
Flower Size:  Medium,  2 - 2.5"
Flowering Period:  Mid-Spring, Late Summer, Early Fall, Mid-Fall
Flower Type:  Single
Fragrant Flowers:  No
Foliage Color:  Dark Green, Purple tinted in Winter
Fragrant Foliage:  No
Sun Needs:  Full Sun or Mostly Sun, Morning Sun with Dappled or Afternoon Shade, All Day Filtered Sun, Morning Shade with Evening Sun
Water Needs:  Average, Lower when established
Soil Type:  Clay (amended), Loam, Sandy (amended), Silt 
Soil Moisture / Drainage:  Well Drained Moist
Soil pH:  5.0 - 6.5 (Acid to Slightly Acid)
Maintenance / Care:  Low, Average
Attracts:  Butterflies, Hummingbirds, Visual Attention
Resistances:  Deer Resistance (the deer rarely touch ours), Drought (when well established), Clay Soil (heavy clay should be amended), Heat, Humidity, Sun

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