Botanical profile

Acer × pseudosieboldianum 'Cascadia'

Latin name
Acer × pseudosieboldianum 'Cascadia'
Common name
Korean Maple 'Cascadia'
Type
Ornamental tree
Family
Sapindaceae

Acer × pseudosieboldianum 'Cascadia', also known as the hybrid Korean maple, is a small ornamental tree prized for its elegant habit and remarkable cold hardiness. A cross between Acer palmatum and Acer pseudosieboldianum, it combines the refined beauty of Japanese maples with enhanced robustness. Its finely dissected foliage emerges soft green in spring, deepens to a richer green in summer, then bursts into vibrant orange-red hues in autumn. Its slightly spreading and graceful silhouette makes it an excellent choice for small to medium-sized gardens, either as a specimen tree or in sophisticated landscaping. Adapted to harsh climates, it offers a reliable alternative to traditional Japanese maples while maintaining a delicate, seasonal aesthetic.

Care guide

Growing conditions

Light, soil, water and hardiness

Hardiness zone
Zone 5
Exposure
Partial sun to full sun
Watering
Moderate, keep the soil cool without excess
Fertilization
Low, in spring if needed
Soil type
Rich, fresh and well-drained
Minimum temperature
−28,9 °C à −23,3 °C
Plant appearance

Blooming, foliage and shape

Blooming period
Spring
Flower color
Subtle purplish red
Fruiting
Discrete, unornamental winged samaras
Foliage color
Green turning to orangey red in autumn
Foliage type
Obsolete
Shape
Spread and flexible
Garden structure

Size and growth

Height
4.5 m (14.8 ft)
Width
4 m (13.1 ft)
Growth rate
Moderate
Pet friendly
Safe for pets

Pets

The availability of our plants varies depending on arrivals, seasons, nursery production and supplier availability. Some varieties may be offered for a limited time only, depending on their natural cycle or current stock. These plant profiles are designed to guide and inspire you when choosing plants for the garden, landscaping projects, containers or long-lasting outdoor arrangements.