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Chamaecyparis lawsoniana

Port Orford Cedar

A very large, slender conifer with a trunk to 70 m (230 ft.) tall and to about 4 m (13 ft.) in diameter. The foliage consists of fine, pinnately arranged branchlets, densely covered with tiny, scale-like leaves. It is native only to southwesternmost Oregon and northernmost California, where it is found between sea level and nearly 2000 m (6600 ft.) usually as part of a mixed coniferous forest. In cultivation it is adaptable to many soils and is best suited to cold, humid climates in the USDA hardiness zones 6 to 8. It is hardy to very severe freezes. Seeds should be sown in spring. Best results are obtained when seeds are cold stratified after a warm month. Germination is sporadic and can take well over a year. The wood of this cedar is highly prized and particularly popular with the Japanese. Unfortunately most old-growth have been logged today and many surviving ones are affected by Phytophthora root rot.

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If you wish to read more on palm cultivation, we highly recommend Ornamental Palm Horticulture by Timothy K. Broschat and Alan W. Meerow, available in our bookshop.

Ratings and comments reflect individual experiences and the views of our visitors. They do not necessarily describe the most appropriate methods, nor are they necessarily valid for all seeds or plants of this species. Germination and plant cultivation success depends on many different factors; nevertheless, these experiences will hopefully aid you in your effort to get the best germination results from our seeds and the best growth results from your plants.

We recommend:
The Encyclopedia of Cultivated Palms

The Encyclopedia of Cultivated Palms
by Robert Lee Riffle, Paul Craft, Scott Zona

2nd edition
Completely revised and updated

Hardcover - 528 pages
11 x 8.5 inches

Our rating:
Suitable for: all

The Encyclopedia of Cultivated Palms is the definitive account of all palms that can be grown for ornamental and economic use. Palms are often underutilized as a result of their unfamiliarity—even to tropical gardeners. To help introduce these valuable plants to a new audience, the authors have exhaustively documented every genus in the palm family.
825 species are described in detail, including cold hardiness, water needs, height, and any special requirements. Generously illustrated with more than 900 photos, including photos of several palm species that have never before appeared in a general encyclopedia, The Encyclopedia of Cultivated Palms is as valuable as an identification guide as it is a practical handbook. Interesting snippets of history, ethnobotany, and biology inform the text and make this a lively catalog of these remarkable plants.

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