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Perennial Flax

Linum perenne

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Perennial Flax (Linum perenne) at Landsburg Landscape Nursery

Perennial Flax flowers

Perennial Flax flowers

(Photo courtesy of NetPS Plant Finder)

Height:  30 inches

Spacing:  8 inches

Sunlight:  full sun  partial shade 

Hardiness Zone:  2

Ornamental Features

Perennial Flax features airy sky blue flowers at the ends of the stems in mid summer. Its grassy leaves remain green in color throughout the season. The fruit is not ornamentally significant.

Landscape Attributes

Perennial Flax is an open herbaceous perennial with an upright spreading habit of growth. It brings an extremely fine and delicate texture to the garden composition and should be used to full effect.

This plant will require occasional maintenance and upkeep, and should be cut back in late fall in preparation for winter. Deer don't particularly care for this plant and will usually leave it alone in favor of tastier treats. Gardeners should be aware of the following characteristic(s) that may warrant special consideration;

  • Self-Seeding

Perennial Flax is recommended for the following landscape applications;

  • Mass Planting
  • General Garden Use
  • Naturalizing And Woodland Gardens

Planting & Growing

Perennial Flax will grow to be about 24 inches tall at maturity, with a spread of 12 inches. When grown in masses or used as a bedding plant, individual plants should be spaced approximately 8 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 fast rate, and under ideal conditions can be expected to live for approximately 3 years.

This plant does best in full sun to partial shade. It prefers dry to average moisture levels with very well-drained soil, and will often die in standing water. It is considered to be drought-tolerant, and thus makes an ideal choice for a low-water garden or xeriscape application. It is not particular as to soil type, but has a definite preference for alkaline soils. It is somewhat tolerant of urban pollution. This species is not originally from North America.

 
 
Hardiness Zone Plant Height Minimum Sunlight Soil pH Preference
Characteristics
Massing  Garden  Naturalizing 
Applications
Flowers  Texture 
Ornamental Features