Hibiscus syriacus 'Blue Bird'

Blue Bird Rose-of-Sharon

Hibiscus syriacus ‘Blue Bird’ is a deciduous flowering shrub valued for its clear lavender-blue blooms and long summer flowering period. It develops an upright, vase-shaped habit with attractive green foliage that provides a dense backdrop through the growing season. From mid-summer into early fall, large single flowers appear in soft blue to lavender tones with a distinctive deep red eye, providing bright color when many other shrubs have finished blooming.

Type: Deciduous shrub

Mature Size:
Width: 6–8 ft
Height: 8–10 ft
(10-year size: typically 6–8 ft tall)

USDA Zones: 5a–9b
Form: Upright, vase-shaped shrub
Light: Full sun
Soil: Average, well-drained soils; tolerant of clay and urban conditions
Water: Moderate; fairly drought tolerant once established

Wildlife: Attracts bees, butterflies, and hummingbirds; deer moderately resistant


Features & Landscape Uses


Lavender-blue flowers with red eye



Long bloom period from mid-summer to fall



Upright shrub for vertical interest



Ideal for hedges, screens, and specimen plantings




Care
Prune in late winter or early spring since flowers form on new wood. Remove unwanted seedlings if naturalizing is not desired. Adaptable and tolerant of heat, humidity, and urban conditions once established.

Plant type

Deciduous Shrub, Flowering Shrub, Perennial

Height

8-10'

Width

6-8'

Hardiness zones

5–8

Sunlight

Full Sun

Growth rate

Fast

Bloom time

Early Fall, Fall, Late Summer, Summer

Flower color

White

Leaf color

Green

Fall color

Yellow Green

Attracts

Bees, Butterflies, Hummingbirds

Soil

Highly Adaptable, Humus rich, Well Drained

Landscape use

Accent Plant, Hedge, Mass Planting

Shape

Upright, Vase Shaped

Bark

Smooth

Fruit

Yes

Fragrant

Yes

Deer resistant

Yes

Drought tolerant

No