KoolKat® Katsura Tree, Cercidiphyllum japonicum 'KoolDak' (RFM-81)

Description:

This is a cold-hardy selection of Cercidiphyllum japonicum that has survived without damage in USDA climatic zone 3a at -37 degrees F. Foliage goes through an amazing seasonal color change from bronzy spring emergence, bluish-green in the summer to yellow/apricot in the fall. This selection is unique in that it has early fall dormancy as compared to the species, assisting with increasing the winter hardiness.

Hardiness:

USDA hardiness zone 3b - 8

Mature Size:

Height: 35 - 40' Spread: 20 - 25'

Form (Shape):

Pyramidal when young, opening canopy with age

Growth Rate:

Medium to fast

Foliage:

Deciduous, bronze when expanding in spring.

Summer: Bluish-green. Autumn: Yellow to apricot-orange

Texture:

Medium

Flower:

Dioecious, female flowers only. Red but not ornamental.

Fruit:

Small (1/2" long) persistent banana-shaped pods

Light Preferences:

Full sun to light shade

Soil Preferences:

Performs best in well-drained soil and is tolerant of higher pH soils without chlorosis.

Propagation:

Stem cuttings or micropropagation

Ornamental Attributes

Heart (cordate) shaped leaves emerging reddish-purple in the spring, changing to blue-green as they mature for summer. In autumn, fall color will be yellow to apricot in color depending on the year with delightful cinnamon odor when senescing.

Landscape Attributes:

pH adaptable. Recommended for use as a landscape, boulevard, parks and golf course tree.

Comments:

This selection adds diversity to the colder climate landscape. Supplemental water suggested during establishment and drought.

Availability:

Pending

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