VANDERMEER

PLANT LIBRARY

Find the perfect plant for your space by browsing through this extensive selection that we typically carry every year.

This library is for information purposes only.

 
perennial

Pacific Giant Astolat Larkspur

Delphinium 'Astolat'

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Pacific Giant Astolat Larkspur (Delphinium 'Astolat') at Vandermeer Nursery

Pacific Giant Astolat Larkspur flowers

Pacific Giant Astolat Larkspur flowers

(Photo courtesy of NetPS Plant Finder)

Plant Height:  4 feet

Flower Height:  6 feet

Spacing:  18 inches

Sunlight:  full sun  partial shade 

Hardiness Zone:  3a

Other Names:  Candle Larkspur, Pacific Hybrid Larkspur

Group/Class:  Pacific Giant Series

Brand:  Ball

Description:

Low mounds of dark green foliage produce tall sturdy stems covered in semi-double lavender-pink flowers; blooms from early to mid summer; a great addition to borders or beds; lovely grouped together in fresh-cut bouquets

Ornamental Features

Pacific Giant Astolat Larkspur features bold spikes of semi-double lavender flowers with white eyes rising above the foliage from early to mid summer. The flowers are excellent for cutting. Its deeply cut lobed leaves remain dark green in colour throughout the season.

Landscape Attributes

Pacific Giant Astolat Larkspur is an herbaceous perennial with a rigidly upright and towering form. 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. It is a good choice for attracting bees and butterflies to your yard. Gardeners should be aware of the following characteristic(s) that may warrant special consideration;

  • Disease

Pacific Giant Astolat Larkspur is recommended for the following landscape applications;

  • Vertical Accent
  • Mass Planting
  • General Garden Use

Planting & Growing

Pacific Giant Astolat Larkspur will grow to be about 4 feet tall at maturity extending to 6 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. The flower stalks can be weak and so it may require staking in exposed sites or excessively rich soils. It grows at a medium rate, and under ideal conditions can be expected to live for approximately 10 years. As an herbaceous perennial, this plant will usually die back to the crown each winter, and will regrow from the base each spring. Be careful not to disturb the crown in late winter when it may not be readily seen!

This plant does best in full sun to partial shade. It prefers to grow in average to moist conditions, and shouldn't be allowed to dry out. It is not particular as to soil type or pH. It is somewhat tolerant of urban pollution. This particular variety is an interspecific hybrid. 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.

 
 
Hardiness Zone  Plant Height  Minimum Sunlight   
Characteristics
Articulation  Massing  Garden 
Applications
Flowers  Texture  Plant Form  Attracts Wildlife 
Features & Attributes

** Plants listed may not be in stock at all times. **

Please contact us directly for current stock availability.
 
Our inventory varies seasonally and we cannot guarantee that every plant will be in stock at all times. To confirm if we have the plant that you're looking for, please call (905) 427-2525 or e-mail  us at info@vandermeernursery.com.
 
Remember, this library does not include our entire selection. Visit us year-round to check out varieties that may not be listed here!