Azalea 'Amagasa'

Amagasa Azalea, Evergreen Azalea, Satsuki Azalea

Azalea ‘Amagasa’ is a striking Satsuki azalea (a Japanese evergreen azalea) admired for its vibrant red-orange to coral-red flowers in mid to late spring. The blooms are typically single, richly colored, and often speckled or splashed, making ‘Amagasa’ a standout choice for vibrant color in small garden spaces or mixed shrub borders.

Key features
Width / spread: 2–4 ft (typically 2–3 ft; can reach ~4 ft over time)
Height: 2–4 ft (commonly ~2–3 ft; may reach ~3–4 ft in older plantings)
Flower color: Bright red-orange/coral-red with subtle spots or flecks
Bloom time: Mid to late spring (Satsuki bloom period)
Foliage: Dark green, evergreen
Form: Compact, rounded to upright evergreen shrub
Life cycle: Evergreen shrub

Growing conditions
Sun: Part shade to morning sun/afternoon shade preferred (shade gardens, woodland edges)
Soil: Acidic, moist, well-drained; rich in organic matter
Water: Moderate; keep evenly moist but not waterlogged
Hardiness:



Zone Low: 6a–6b



Zone High: 9a



Landscape use
Foundation plantings
Evergreen mass plantings
Woodland and shade gardens
Mixed shrub borders
Low hedges or specimen plantings

Notes
‘Amagasa’ makes an excellent showpiece in small gardens or foundation beds due to its compact size and vivid blooms.
Its evergreen foliage provides year-round structure and textural interest even when not in bloom.
Prune lightly immediately after flowering if shaping is required; avoid pruning late in the season to preserve next year’s buds. 

Plant type

Broadleaf Evergreen, Flowering Shrub

Height

2-4'

Width

2-4'

Hardiness zones

6–9

Sunlight

Partial Shade

Growth rate

Slow

Bloom time

Early Summer, Late Spring

Flower color

Red

Leaf color

Green

Fall color

Green

Attracts

Bees butterflies birds

Soil

Acidic, Loamy well-drained, Sandy well-drained

Landscape use

Container

Shape

Low Mounding

Bark

Smooth

Deer resistant

Yes

Drought tolerant

No