Chamaecyparis pisifera f. squarrosa, also known as Sawara cypress or Blue Moss Cypress, is a cultivar of Chamaecyparis pisifera, a species of coniferous evergreen tree in the cypress family Cupressaceae. This cultivar is native to Japan and is commonly grown as an ornamental plant in gardens and parks.
The foliage of Chamaecyparis pisifera f. squarrosa is bluish-gray or silver-blue in color, with a feathery texture. The needles are arranged in flattened sprays that give the plant a soft, lacy appearance. The cultivar is relatively slow-growing and can reach a mature height of up to 10 meters (33 feet) with a spread of 5-6 meters (16-20 feet) over many years.
Chamaecyparis pisifera f. squarrosa is tolerant of a wide range of growing conditions and can thrive in full sun to partial shade. It prefers well-drained soil that is slightly acidic to neutral in pH. The plant is relatively low-maintenance and can be pruned to maintain its desired size and shape.
In addition to its ornamental value, Chamaecyparis pisifera f. squarrosa is also used for timber and is resistant to rot and insect damage.