perennial

Giant Groundsel

Ligularia wilsoniana

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Giant Groundsel (Ligularia wilsoniana) at Shelmerdine Garden Center

Giant Groundsel flowers

Giant Groundsel flowers

(Photo courtesy of NetPS Plant Finder)

Plant Height:  3 feet

Flower Height:  6 feet

Spread:  3 feet

Sunlight:  partial shade  full shade 

Hardiness Zone:  2b

Other Names:  Rayflower

Ornamental Features

Giant Groundsel features bold spikes of yellow flowers rising above the foliage from early to mid summer. Its large serrated round leaves remain forest green in colour throughout the season. The fruit is not ornamentally significant.

Landscape Attributes

Giant Groundsel is an herbaceous perennial with a rigidly upright and towering form. Its wonderfully bold, coarse texture can be very effective in a balanced garden composition.

This is a relatively low maintenance plant, and is best cleaned up in early spring before it resumes active growth for the season. Deer don't particularly care for this plant and will usually leave it alone in favor of tastier treats. It has no significant negative characteristics.

Giant Groundsel is recommended for the following landscape applications;

  • Vertical Accent
  • Mass Planting
  • General Garden Use
  • Bog Gardens

Planting & Growing

Giant Groundsel will grow to be about 3 feet tall at maturity extending to 6 feet tall with the flowers, with a spread of 3 feet. It grows at a medium rate, and under ideal conditions can be expected to live for approximately 20 years.

This plant does best in partial shade to shade. It prefers to grow in moist to wet soil, and will even tolerate some standing water. It is not particular as to soil pH, but grows best in rich soils. It is somewhat tolerant of urban pollution. This species is not originally from North America. It can be propagated by division.

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

Hours of Inspiration

Monday – Wednesday 9am-5pm
Thursday & Friday 9am-6pm
Saturday 9am-5pm
Sunday 12pm-5pm

Shelmerdine Garden Centre Ltd.

7800 Roblin Boulevard
Headingley, MB R4H 1B6

Phone: 204.895.7203
Fax: 204.895.4372
Email: info@shelmerdine.com