![]() Interesting foliage mutations were common among both the early seedlings there and their subsequent progeny elsewhere, despite the fact that, in habitat, trees are fairly uniform. Seeds of Port Orford cedar found their way to Peter Lawson’s Nursery in Edinburgh, Scotland, in 1854. ![]() Those days are over, not just because of changing tastes and the introduction of modern materials, but also because these cypress are dying in the forests. Its wood is light, hard, strong, and easily worked the high quality lumber was once used extensively in shipbuilding and for the interior finish and flooring of buildings. Old growth stands were scattered in small groves, the trees potentially growing for 500 years and reaching a height of around 220 feet (70 meters). It was once an important timber tree for the region. Lawson cypress or Port Orford cedar, as it is known in its native range and by foresters, is restricted in nature to a narrow strip of the Oregon-California coast and to the mountains of northern California. For the horticulturist, however, its flat sprays of foliage and smaller cones (with fewer seeds per scale) are sufficient to distinguish Lawson cypress from those trees in the genus Cupressus, and we have chosen to retain the use of Chamaecyparis here.Ĭ hamaecyparis lawsoniana is one of the most important conifers in ornamental horticulture. Some botanists have placed Chamaecyparis lawsoniana within the genus Cupressus, relegating the name Chamaecyparis to the rank of subgenus. Photograph courtesy of the Helen Crocker Russell Library Lawson cypress ( Chamaecyparis lawsoniana).
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