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Galaxy Blue Agapanthus

Agapanthus 'Galaxy Blue'

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Galaxy Blue Agapanthus (Agapanthus 'Galaxy Blue') at Pender Pines Garden Center

Galaxy Blue Agapanthus in bloom

Galaxy Blue Agapanthus in bloom

(Photo courtesy of NetPS Plant Finder)

Galaxy Blue Agapanthus (Agapanthus 'Galaxy Blue') at Pender Pines Garden Center

Galaxy Blue Agapanthus flowers

Galaxy Blue Agapanthus flowers

(Photo courtesy of NetPS Plant Finder)

Plant Height:  24 inches

Flower Height:  3 feet

Spread:  30 inches

Sunlight:  full sun  partial shade 

Hardiness Zone:  6a

Other Names:  Lily of the Nile, African Lily

Group/Class:  Galaxy Collection

Brand:  Walters Gardens


This variety produces a dense mound of luxurious narrow green foliage; clusters of blue flowers with dark blue stripes appear profusely on tall, strong stems; a re-blooming accent plant for the garden or massed along borders; vigorous and very hardy

Ornamental Features

Galaxy Blue Agapanthus features bold clusters of silvery blue trumpet-shaped flowers with royal blue stripes rising above the foliage from mid summer to early fall, which emerge from distinctive lavender flower buds. The flowers are excellent for cutting. Its narrow leaves remain dark green in color throughout the year.

Landscape Attributes

Galaxy Blue Agapanthus is an herbaceous evergreen 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 plant will require occasional maintenance and upkeep, and is best cleaned up in early spring before it resumes active growth for the season. It is a good choice for attracting bees and butterflies to your yard. It has no significant negative characteristics.

Galaxy Blue Agapanthus is recommended for the following landscape applications;

  • Accent
  • Mass Planting
  • General Garden Use
  • Container Planting

Planting & Growing

Galaxy Blue Agapanthus will grow to be about 24 inches tall at maturity extending to 3 feet tall with the flowers, with a spread of 30 inches. It grows at a medium rate, and under ideal conditions can be expected to live for approximately 10 years. As an evegreen perennial, this plant will typically keep its form and foliage year-round.

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.

Galaxy Blue Agapanthus is a fine choice for the garden, but it is also a good selection for planting in outdoor pots and containers. With its upright habit of growth, it is best suited for use as a 'thriller' in the 'spiller-thriller-filler' container combination; plant it near the center of the pot, surrounded by smaller plants and those that spill over the edges. It is even sizeable enough that it can be grown alone in a suitable container. Note that when growing plants in outdoor containers and baskets, they may require more frequent waterings than they would in the yard or garden.

Hardiness Zone Plant Height Minimum Sunlight
Accent  Massing  Garden  Container 
Flowers  Plant Form  Attracts Wildlife 
Ornamental Features