Encore Autumn Amethyst (Rhododendron 'Encore Autumn Amethyst') - purple flowers, illustrated plant card

Encore Autumn Amethyst

Rhododendron 'Encore Autumn Amethyst'

Encore Autumn Amethyst blooms from April through October.

Bloom calendar
Bloom time
Apr–Oct
Hardiness
Zones 6–9
Sun
Part shade
Water
Moderate water
Mature size
3.9 ft × 3.9 ft
Type
Shrub
Verification

Mature size, hardiness zones, sun and the trait tags were checked against named botanical sources for this plant. The bloom months and water need on this page were not.

Growing Encore Autumn Amethyst

Plant it in part shade. It prefers moderate water. It is hardy in USDA zones 6–9. Expect it to reach about 3.9 ft tall and 3.9 ft wide at maturity, in roughly 4 years.

When to plant Encore Autumn Amethyst

Plant Encore Autumn Amethyst in early spring as soon as the soil is workable, or in early fall at least six weeks before your first frost, so roots establish in cool weather. For the middle of its hardy zones 6 to 9 range, spring means March to May and fall means September or October. Once settled, it blooms from April to October.

Month-by-month timing for your zone is on the planting calendar: for the middle of its range, start with zone 7 in March.

The Azaleas family

One of 16 in the Azaleas family. Same plant, same care.

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