Chamaecyparis obtusa 'Kosteri' / Koster's Hinoki cypress

Chamaecyparis obtusa 'Kosteri' is a very choice, irregularly pyramidal dwarf selection of Hinoki cypress with ascending branches and shell-like sprays of light olive-green foliage that assumes a bit of a yellow cast in winter. After 10 years of growth a mature specimen will measure 1.5 to 2 feet (50 - 60 cm) tall and somewhat narrower, an annual growth rate of 2 to 3 inches (5 - 7.5 inches).

This cultivar originated as a seedling selected in 1915 M. Koster & Son Nursery, Boskoop The Netherlands.

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Chamaecyparis obtusa 'Kosteri' This picture was taken during the 2000 ACS tour in Michigan.
Photo by Ken Church
Chamaecyparis obtusa 'Kosteri' This tidy, dense form of the dwarf Hinoki cypress has light green, downward, cupped foliage. Forms an irregular pyramid with age. Introduced about 1915.
Photo by Iseli Nursery, Inc.
Chamaecyparis obtusa 'Kosteri' Green Industry Images Copyrighted Photo; Donated by Ernie Wiegand.
Photo by Ernie Wiegand
Chamaecyparis obtusa 'Kosteri' — a closeup of foliage detail.
Photo by Bill Barger
Chamaecyparis obtusa 'Kosteri' — a closeup of foliage detail.
Photo by Bill Barger
Chamaecyparis obtusa 'Kosteri' — a closeup of foliage detail.
Photo by Bill Barger

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