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GardenSnapp

Plant field guide

Azalea (Encore Autumn Empress)

Encore Azalea with large, showy dark pink to magenta semi-double flowers. Blooms spring, summer, and fall for continuous color. Dense, mounding habit makes it excellent for mass plantings.

Growing requirements

Scientific name
Rhododendron 'Conlee'
Sun
partial shade
Water
moderate
Height
36 in (91 cm) – 48 in (122 cm)
Spread
36 in (91 cm) – 48 in (122 cm)
Spacing
Not recorded
Hardiness zones & minimum temperature
USDA 6–9; average annual extreme minimum from -10°F (-23.3°C). Hardiness does not predict local frost dates.
Difficulty
easy

Planting & seasonal timing

Northern Hemisphere planting months: not yet verified in our database.

Northern Hemisphere pruning months: April, May.

For the Southern Hemisphere, these seasonal windows shift approximately six months. Check your local frost forecast, soil temperature, and species requirements; calendar months are not a guarantee of planting safety.

Three-season bloom. Needs acidic soil with good drainage. Mulch heavily with pine products. More sun tolerant than traditional azaleas.

Pruning

Prune after first spring flush. Light shaping only. Don't prune after July.

Fertilizer

Azalea/Rhododendron fertilizer (acidic)

After spring bloom

Mulch

2-3 inches of pine bark or pine straw.

Companion plants

Parent plant & varieties