Cornus kousa - Kousa Dogwood

Variety overview

Specifications:

Origin:

Japan, Korea

Habit:

Exceptional flowering shrub or small tree, 4-7 m tall/3-4 m wide; upright when young, later broad to horizontal, but asymmetrical crown; slow/moderate growing; individual habits: slender columns or funnel-shaped specimen occur.

Flowers:

Cream-white, pointed bracts, true flowers inconspicuous, after leaves shoot, June; flowers on upright stems borne above the foliage; flowers last some four to six weeks, gradually turning pink; flowers some four weeks later than Cornus florida, some three weeks later than Cornus florida rubra.

Fruits:

Pink to red, like raspberries, from September, tasteless (edible).

Leaves:

Ovoid, dark green, brilliant autumn colours, scarlet/orange-crimson, very persistent, from October.

Roots:

Cordate roots, not far-reaching, sensitive to soil compaction.

Demands:

Sun to semi-shade, more robust than C. florida; tolerates more warmth and drought, not as sensitive to later frost; somewhat protected from wind.

Soil:

Good on fresh, sandy-humic or sandy-loamy soil, acidic to neutral; good on heavy soil, but slow-growing.

Note:

Small specimen not flowering in the first few years or only a little, later regularly and in profusion; larger specimens flower soon after planting.

Hardiness:

Zone 6a

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