Aesculus parviflora

Bottlebrush Buckeye

Aesculus parviflora, commonly known as Bottlebrush Buckeye, is a large, spreading deciduous shrub prized for its spectacular summer flower spikes, bold foliage, and excellent performance in shade. It is one of the finest flowering shrubs for woodland and shaded landscapes.

Key Characteristics and Benefits


Flowers & Color: Long, upright white bottlebrush-like flower spikes with prominent pink stamens bloom in early to mid-summer, creating dramatic visual impact.



Foliage: Large, palmate dark green leaves provide a bold, tropical texture; foliage turns yellow in fall.



Growth Habit: Broad, spreading, multi-stem shrub that forms graceful colonies over time.



Shade Performance: One of the best flowering shrubs for partial to full shade.



Size: Typically reaches 8–12 ft tall with a 12–15 ft (or wider) spread.



Care and Requirements


Hardiness: USDA Zones 4–8



Light: Partial shade to full shade (tolerates sun with adequate moisture)



Soil: Prefers moist, well-drained, fertile soil



Water: Moderate; appreciates consistent moisture



Maintenance: Low; minimal pruning needed



Tolerance: Deer resistant; tolerant of shade and woodland conditions



Note: Seeds are toxic if ingested



Summary:
Bottlebrush Buckeye is an outstanding choice for woodland gardens, shaded borders, naturalized areas, and large landscape settings, offering dramatic summer flowers, bold foliage, and long-term reliability in low-light environments.

Plant type

Flowering Shrub

Height

12'

Width

12-15'

Hardiness zones

4–8

Sunlight

Full Sun, Partial Shade

Bloom time

Early Summer, Late Spring

Flower color

White

Leaf color

Green

Fall color

Yellow

Attracts

Butterflies

Soil

Clay

Landscape use

Accent Plant, Mass Planting, Specimen

Shape

Clump, Oval/Rounded

Fragrant

Yes

Deer resistant

Yes

Drought tolerant

No