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Key characteristics

Family: Saxifragaceae
Height: 24-30 inches tall
Width: 18-24 inches wide
Flower color: Pure white, fading to pale buff
Foliage color: Glossy dark green, deeply divided leaves
Bloom time: Early to mid-summer
Light: Partial shade to full shade
Water: High
Maintenance: Low; remove spent flower heads and cut back in late fall or early spring
Growing zone: USDA Zones 4-9
Wildlife: Attracts bees and butterflies

Perennials

Astilbe japonica 'Washington'

Washington (japonica) Astilbe

Astilbe japonica 'Washington' produces elegant plumes of pure white flowers, bringing a soft yet bright presence to shaded garden areas. Blooming in early to midsummer, the pristine flower clusters rise above dense, finely textured green foliage, creating a graceful and layered appearance. Originally developed for garden versatility, this cultivar combines well with other shade-loving plants, adding depth and luminosity to borders and woodland settings.

The delicate, feathery blooms maintain their form as they age, slowly turning a pale buff color, extending visual interest into late summer.

Light

Partial shade to full shade

Water

High

Bloom time

Early to mid-summer

Find this plant

Works well in

Borders
Shade Gardens
Woodland Gardens
Pollinator Gardens
Rain Gardens

Companion plants

Hostas · Bleeding hearts · Solomon's seal · Ferns · Lungworts · Wild ginger

Design tip

The long summer show pairs well with plants that peak earlier, keeping one area interesting for months. Keep it out of hot afternoon sun and layer it with woodland companions for a full, settled look.