Plant Database

perennial

Great Masterwort*

Astrantia major

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Great Masterwort (Astrantia major) at English Gardens

Great Masterwort flowers

Great Masterwort flowers

(Photo courtesy of NetPS Plant Finder)

* This is a "special order" plant - contact store for details

Plant Height:  24 inches

Flower Height:  3 feet

Spacing:  18 inches

Sunlight:  full sun  partial shade 

Hardiness Zone:  3a

Other Names:  Hattie's Pincushion

Ornamental Features

Great Masterwort features delicate cymes of white pincushion flowers with purple anthers at the ends of the stems from early to late summer. The flowers are excellent for cutting. Its deeply cut ferny palmate leaves remain dark green in color throughout the season. The fruit is not ornamentally significant.

Landscape Attributes

Great 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;

  • Self-Seeding

Great Masterwort is recommended for the following landscape applications;

  • Mass Planting
  • General Garden Use
  • Bog Gardens

Planting & Growing

Great Masterwort will grow to be about 24 inches tall at maturity extending to 3 feet tall with the flowers, 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 tends to be leggy, with a typical clearance of 1 foot from the ground, and should be underplanted with lower-growing perennials. 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 species is not originally from North America. It can be propagated by division.

 

* This is a "special order" plant - contact store for details

 
 
Hardiness Zone Plant Height Minimum Sunlight
Characteristics
Massing  Garden  Bog 
Applications
Flowers  Texture 
Ornamental Features