Azalea 'Sir Robert'( Robin Hill Hybrid)

Evergreen Azalea, Robin Hill Azalea, Sir Robert Azalea

Azalea ‘Sir Robert’ is a bold evergreen azalea valued for its rich red to deep rose-red flowers and reliable spring bloom. Flowering in mid spring, the showy single blooms provide strong color impact and pair well with whites, lavenders, and lighter pink azaleas.

The shrub forms a dense, rounded to slightly spreading habit with dark green, glossy evergreen foliage, offering year-round structure and a tidy appearance in the landscape.

Key features


Width: 4–6 ft



Height: 3–4 ft



Flower color: Deep rose-red to red



Bloom time: Mid spring



Foliage: Dark green, evergreen



Form: Dense, rounded



Life cycle: Evergreen shrub



Growing conditions


Sun: Part shade (morning sun, afternoon shade preferred)



Soil: Acidic, moist, well-drained; rich in organic matter



Water: Moderate; consistent moisture preferred



Hardiness: USDA Zones 6b–9a



Landscape use


Foundation plantings



Woodland and shade gardens



Evergreen mass plantings



Mixed shrub borders



Notes


Strong color makes an excellent accent or mass planting



Generally deer resistant



Mulch to keep roots cool and evenly moist



Avoid hot afternoon sun to prevent leaf scorch



Prune immediately after flowering if shaping is needed

Plant type

Broadleaf Evergreen

Height

3-4'

Width

4-6'

Hardiness zones

6–9

Sunlight

Partial Shade

Growth rate

Moderate

Bloom time

Early Summer, Late Spring

Flower color

Pink, White

Leaf color

Green

Fall color

Green

Attracts

Bees

Soil

Loamy, Well Drained

Landscape use

Accent Plant, Container, Foundation Plant, Mass Planting

Shape

Oval/Rounded

Bark

Smooth

Drought tolerant

No