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Star Of Billion Masterwort
Astrantia major 'Star Of Billion'
Star Of Billion Masterwort flowers
(Photo courtesy of NetPS Plant Finder)
Height: 24 inches
Spacing: 18 inches
Hardiness Zone: 3a
Other Names: Hattie's Pincushion
Starry white pincushion flowers on rising stems; great on streambanks or in a moist border, doesn't like to dry out; cut back after flowering for a second flush
Star Of Billion Masterwort features airy cymes of white pincushion flowers rising above the foliage from early to late summer. The flowers are excellent for cutting. Its crinkled ferny pinnately compound leaves remain dark green in color throughout the season. The fruit is not ornamentally significant.
Star Of Billion Masterwort is an open herbaceous perennial with an upright spreading habit of growth. Its relatively fine texture sets it apart from other garden plants with less refined foliage.
This plant will require occasional maintenance and upkeep, and should be cut back in late fall in preparation for winter. Gardeners should be aware of the following characteristic(s) that may warrant special consideration;
Star Of Billion Masterwort is recommended for the following landscape applications;
Planting & Growing
Star Of Billion Masterwort will grow to be about 20 inches tall at maturity, with a spread of 24 inches. When grown in masses or used as a bedding plant, individual plants should be spaced approximately 18 inches apart. It grows at a medium rate, and under ideal conditions can be expected to live for approximately 15 years.
This plant does best in full sun to partial shade. It is quite adaptable, prefering to grow in average to wet conditions, and will even tolerate some standing water. It is not particular as to soil type or pH. It is somewhat tolerant of urban pollution. This is a selected variety of a species not originally from North America. It can be propagated by division; however, as a cultivated variety, be aware that it may be subject to certain restrictions or prohibitions on propagation.