Encore Azalea Autumn Starburst - Main Image

Encore Azalea Autumn Starburst

Rhododendron 'Robleze'
$31.75
A bright and eye-catching azalea with red and peach blooms and deep green foliage. Reaches 3 feet tall and as much across. Hardy in USDA zones 6 to 10. Autumn Starburst brings multicolored impact to North Texas flower beds or decorative containers.
1. Choose a Purchase Option
$31.75
Find me at the farm: Greenhouse

Local DFW Delivery Only

Minimum quantity is 1, maximum is 999

Product Details

Encore Azalea Autumn Starburst

Rhododendron 'Robleze'

Encore Azalea Autumn Starburst delivers a unique color display with red and peach flowers. This bicolor bloom appears in spring, standing out brightly against the shrub’s deep green foliage. Autumn Starburst grows to about 3 feet tall and wide, holding a balanced, rounded form that fits neatly into layered plantings or accent spaces. The flowers have a soft texture and appear generously during each bloom cycle, giving a cheerful, refined look even from a distance. Its size and symmetry make it a natural choice for container designs, formal beds, or curved pathways in commercial or residential layouts.

  • Evergreen shrub
  • Moderate growth rate with grounded habit
  • Red and peach flowers
  • Dense evergreen foliage adds structure
  • Excellent for color contrast and symmetry

Autumn Starburst performs best in partial sun and well-drained, acidic soil. This evergreen is hardy in USDA zones 6-10 and well suited for North Texas containers and layered beds needing consistent form and seasonal flair.


Encore Azalea ‘Autumn Starburst’ has dramatic flowers and a compact form that make it a standout accent plant in landscapes. Here’s all the maintenance it needs to thrive:

  • Watering: Water deeply and consistently during the first year to establish a healthy, fibrous root system. Once established, Encore Azalea ‘Autumn Starburst’ prefers evenly moist soil and benefits from supplemental watering during prolonged heat or dry periods, particularly during active bloom cycles.
  • Pruning: Prune lightly immediately after the main spring bloom if shaping is desired. Avoid heavy or late-season pruning, as it can reduce fall flowering and interrupt the reblooming cycle.
  • Fertilizing: Apply an azalea-specific or acid-loving fertilizer in early spring as flowering begins. A second light feeding in mid-summer supports foliage health and repeat blooms without encouraging excessive growth.
  • Mulching: Apply a 2-3 inch layer of mulch to conserve moisture, regulate soil temperature, and protect shallow roots. Keep mulch pulled a few inches away from the base of the plant to prevent moisture-related stem issues.
  • Winter Care: Encore Azalea ‘Autumn Starburst’ is cold-hardy within its growing range and typically requires no winter protection once established. In colder winters, foliage may bronze slightly, but plants rebound quickly in spring.

Encore Azalea ‘Autumn Starburst’ is dependable with proper care, though a few issues may arise under stress or unfavorable conditions:

  • Petal Blight: Blooms may develop brown spotting and collapse quickly during cool, wet weather. Prompt removal of affected flowers and avoiding overhead watering help reduce spread.
  • Lace Bugs: Leaves may appear pale or stippled, with dark residue visible on the undersides from feeding damage. Early treatment with horticultural oil or insecticidal soap helps prevent long-term decline.
  • Chlorosis: Leaves may yellow while veins remain green when nutrient uptake is restricted. Applying chelated iron and maintaining appropriate soil conditions restores healthy foliage color.
  • Root Stress: Plants may wilt or decline if roots experience prolonged dryness or poor drainage. Maintaining consistent moisture and improving drainage supports long-term root health.
  • Winter Burn: Leaf edges may brown during cold, windy conditions. Mulching and planting in sheltered locations help minimize damage

Encore Azalea ‘Autumn Starburst’ typically lives 25-40 years with proper care. Its evergreen structure allows it to remain visually strong year-round. Mature plants often increase in bloom density and reliability over time.

This variety grows at a moderate rate, adding approximately 5-7 inches per year. Light flowering begins early, with full size and peak rebloom performance reached in 3-5 years. Growth remains compact and balanced as the plant matures.

The distinctive bicolor blooms attract bees and other beneficial pollinators during each flowering cycle. Reblooming extends nectar availability beyond the traditional azalea season. Pollinator activity is especially noticeable in spring and fall.

Encore Azalea ‘Autumn Starburst’ is moderately deer-resistant but not completely deer-proof. Browsing may occur where deer pressure is high. Young plants may benefit from temporary protection during establishment.

Encore Azalea ‘Autumn Starburst’ performs well in large containers with proper drainage. Containers allow better control of moisture and placement for visual impact. Regular watering is essential to prevent stress in pots.

Division is not recommended due to its woody growth habit. New plants are best established from nursery-grown stock or cuttings. Attempting division often results in poor recovery.

Mass plantings create eye-catching displays with repeated waves of bicolor bloom. Uniform growth keeps groupings tidy and cohesive. Group plantings amplify the dramatic reblooming effect.

It pairs beautifully with camellias, gardenias, ferns, and shade-tolerant perennials. Fine-textured companions allow the bold flowers to stand out. These combinations thrive in similar protected environments.

Encore Azalea ‘Autumn Starburst’ maintains a compact, well-behaved habit. It does not spread aggressively or sucker extensively. Occasional pruning keeps growth refined.

Encore Azalea ‘Autumn Starburst’ stands out for its unique star-patterned blooms and multi-season flowering. It delivers visual interest long after traditional azaleas finish blooming. Few evergreen shrubs offer such distinctive flowers with reliable reblooming.

Special Features

Unique Bicolor Blooms
Evergreen Shrub
Moderate Growth Rate
Dense Evergreen Foliage
Excellent for Color Contrast and Symmetry
Leaf Retention:Evergreen
Scientific Name:Rhododendron 'Robleze'
Maturity:3' H x 3' W
Leaf Color:Striking red blooms in spring, accompanied by vibrant green foliage that transitions to fiery orange and crimson in fall.
Flower Color:Pink & White
Bloom Times:Spring

You might also like

Encore Azalea Autumn Angel

Encore Azalea Autumn Angel

Maturity: 2' H x 2' W

$34.00
Encore Azalea Autumn Carnation

Encore Azalea Autumn Carnation

Maturity: 4.5' H x 4' W

$26.00
Encore Azalea Autumn Chiffon

Encore Azalea Autumn Chiffon

Maturity: 2' H x 3' W

$32.50
Encore Azalea Autumn Empress

Encore Azalea Autumn Empress

Maturity: 3' H x 3' W

$36.00
Encore Azalea Autumn Embers

Encore Azalea Autumn Embers

Maturity: 3' H x 4' W

$30.50
Encore Azalea Autumn Fire

Encore Azalea Autumn Fire

Maturity: 2.5' H x 3' W

$32.00
Encore Azalea Autumn Lilac

Encore Azalea Autumn Lilac

Maturity: 3' H x 3.5' W

$32.00
Encore Azalea Autumn Majesty

Encore Azalea Autumn Majesty

Maturity: 3' H x 3' W

$32.50
Encore Azalea Autumn Royalty

Encore Azalea Autumn Royalty

Maturity: 4' H x 4' W

$32.75
Encore Azalea Autumn Sunburst

Encore Azalea Autumn Sunburst

Maturity: 3' H x 3.5' W

$31.75
Cerise Charm Loropetalum

Cerise Charm Loropetalum

Maturity: 3' H x 3' W

$37.50 - $56.00
Cherry Blast Loropetalum

Cherry Blast Loropetalum

Maturity: 6' H x 6' W

$29.75
Crimson Fire Loropetalum

Crimson Fire Loropetalum

Maturity: 4' H x 4' W

$35.50 - $51.25
Dream Weaver Camellia

Dream Weaver Camellia

Maturity: 8' H x 6' W

$169.00 - $306.00
Encore Azalea Autumn Dove

Encore Azalea Autumn Dove

Maturity: 3' H x 3' W

$33.50

Compare Similar Plants

Encore Azalea Autumn Starburst
Encore Azalea Autumn Starburst

This plant

Scientific NameRhododendron 'Robleze'Rhododendron ‘Robleg’
Size at Maturity3' H x 3' W2' H x 2' W
Leaf RetentionEvergreenEvergreen
Flower ColorPink & WhiteWhite
Bloom TimesSpringSpring
Sizes Available3 Gal3 Gal
Guarantee Stamp

Our 1-Year Planting Guarantee

We take pride in our plants and installation services. If any plants or trees installed by Treeland fail to thrive within the first year, we'll provide a replacement credit in accordance with our guarantee program.

Learn More About Our Guarantee

Frequently asked questions

Have questions about our products or services? Check out our FAQ section to find answers to common queries.

Need further assistance?

We provide three convenient ordering options for you:
  1. Visit our farm in person, tag your trees, and fill out an order form on site.
  2. Order online through our inventory page.
  3. Call us, and our sales staff will take your order over the phone.

For trees and plants 15 gallon and larger, we’re happy to hold your order or schedule delivery up to 30 days out so you can plan ahead with ease. For plants smaller than 15 gallon, we can hold them for 24 hours.

If any plants or trees installed by Treeland fail to thrive within the first year, we'll provide a replacement credit in accordance with our guarantee program. View our guarantee policy.

We offer tree removal services for trees up to 6" in diameter at the base. The tree removal must be in the location of the tree to be removed, and we only offer small quantities of removals. Each request will be reviewed individually, and customers are required to email a photo of the tree to our office for approval after placing an order.