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perennial

Sageleaf Mullein

Phlomis tuberosa

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Sageleaf Mullein (Phlomis tuberosa) at Vandermeer Nursery

Sageleaf Mullein flowers

Sageleaf Mullein flowers

(Photo courtesy of NetPS Plant Finder)

Plant Height:  18 inches

Flower Height:  3 feet

Spread:  24 inches

Sunlight:  full sun 

Hardiness Zone:  2a

Other Names:  Jerusalem Sage

Ornamental Features

Sageleaf Mullein features bold spikes of lilac purple hooded flowers rising above the foliage from early to mid summer. The flowers are excellent for cutting. Its serrated narrow leaves remain grayish green in colour throughout the season. The fruit is not ornamentally significant.

Landscape Attributes

Sageleaf Mullein is an herbaceous perennial with a rigidly upright and towering form. Its medium texture blends into the garden, but can always be balanced by a couple of finer or coarser plants for an effective composition.

This is a relatively low maintenance plant, and may require the occasional pruning to look its best. 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.

Sageleaf Mullein is recommended for the following landscape applications;

  • Mass Planting
  • General Garden Use

Planting & Growing

Sageleaf Mullein will grow to be about 18 inches tall at maturity extending to 3 feet tall with the flowers, with a spread of 24 inches. It grows at a medium rate, and under ideal conditions can be expected to live for approximately 10 years.

This plant should only be grown in full sunlight. It prefers dry to average moisture levels with very well-drained soil, and will often die in 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.

 
 
Hardiness Zone Plant Height Minimum Sunlight
Characteristics
Massing  Garden 
Applications
Flowers  Winter Value 
Ornamental Features
Vandermeer Nursery is open year-round and we are constantly updating our inventory. Please note that not all plants may be in stock at all times. Please call our store for current availability and pricing for any plant listed.