Cercidiphyllum japonicum - Katsura

Species and variety overview

Cercidiphyllum japonicum

Specifications:

Habit:

Medium-size or only small tree, 8-12 (15) m tall, 4-6 (10) m wide; ovoid, roand crown when old, often with several stems, but also with one stem and leader; branches vertical to stiffly upright, twigs extended horizontally to slight arching, slow growing, 20-30 cm a year.

Flowers:

Dioecious, reddish, small clusters before leaves shoot, April.

Fruits:

Inconspicuous

Leaves:

Roand to cordate, early shoots, beginning of May, soft bronze, later pale green, brilliant yellow-orange in autumn, more cream-white in the shade, October; never turning its colours on all alkaline or dry soil; the leaves somew-hat damaged by late frost at the beginning of May and the autumn leaves give off a pleasant, far-reaching aroma.

Roots:

Shallow to cordate roots, main roots often near the surface and then lifting pavements, thus leave large tree-grids open; sensitive to soil compaction.

Demands:

Sun to light shade; prefers cool areas with high humidity and moist soil; sensitive to heat and drought, frost hardy, occasionally damaged by late frost, but regenerating well.

Soil:

Deep, nutritious, sandy or loamy-humic soil.

Note:

Best planted in spring.

Hardiness:

Zone 5b

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