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Aloha Blue Flossflower

Ageratum 'Aloha Blue'

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Aloha Blue Flossflower (Ageratum 'Aloha Blue') at Bast Brothers Garden Center

Aloha Blue Flossflower flowers

Aloha Blue Flossflower flowers

(Photo courtesy of NetPS Plant Finder)

Aloha Blue Flossflower (Ageratum 'Aloha Blue') at Bast Brothers Garden Center

Aloha Blue Flossflower flowers

Aloha Blue Flossflower flowers

(Photo courtesy of NetPS Plant Finder)

Height:  6 inches

Spread:  4 inches

Sunlight:  full sun  partial shade 

Hardiness Zone:  (annual)

Group/Class:  Aloha Series


An easy to grow, well branched, mounded variety ideal for borders, garden beds and patio containers; featuring powder blue, flat top, button flowers nestled on dark green foliage; deadhead to encourage new growth

Ornamental Features

Aloha Blue Flossflower has masses of beautiful powder blue flat-top button flowers at the ends of the stems from late spring to mid fall, which are most effective when planted in groupings. Its pointy leaves remain green in color throughout the season.

Landscape Attributes

Aloha Blue Flossflower is a dense herbaceous annual with a mounded 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. Trim off the flower heads after they fade and die to encourage more blooms late into the season. It is a good choice for attracting butterflies to your yard, but is not particularly attractive to deer who tend to leave it alone in favor of tastier treats. It has no significant negative characteristics.

Aloha Blue Flossflower is recommended for the following landscape applications;

  • Mass Planting
  • Border Edging
  • General Garden Use
  • Container Planting
  • Hanging Baskets

Planting & Growing

Aloha Blue Flossflower will grow to be only 6 inches tall at maturity, with a spread of 4 inches. Its foliage tends to remain low and dense right to the ground. This fast-growing annual will normally live for one full growing season, needing replacement the following year.

This plant does best in full sun to partial shade. It does best in average to evenly moist conditions, but will not tolerate standing water. It is not particular as to soil type or pH. It is highly tolerant of urban pollution and will even thrive in inner city environments. This particular variety is an interspecific hybrid. It can be propagated by cuttings; however, as a cultivated variety, be aware that it may be subject to certain restrictions or prohibitions on propagation.

Aloha Blue Flossflower is a fine choice for the garden, but it is also a good selection for planting in outdoor containers and hanging baskets. It is often used as a 'filler' in the 'spiller-thriller-filler' container combination, providing a mass of flowers against which the thriller plants stand out. 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
Massing  Edging  Garden  Container  Basket 
Flowers  Attracts Wildlife 
Ornamental Features