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Bicolor Butterfly Bush

Buddleia x weyeriana 'Bicolor'

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Bicolor Butterfly Bush (Buddleia x weyeriana 'Bicolor') at Fernwood Garden Center

Bicolor Butterfly Bush flowers

Bicolor Butterfly Bush flowers

(Photo courtesy of NetPS Plant Finder)

Height:  6 feet

Spread:  4 feet

Sunlight:  full sun 

Hardiness Zone:  5b

Other Names:  Summer Lilac

Description:

This stunning shrub is the first butterfly bush ever to offer two completely different colors on the same flower stalk, along with fantastic fragrance that attracts butterflies; great for perennial borders, patio planters, or as a garden accent

Ornamental Features

Bicolor Butterfly Bush features showy panicles of fragrant lilac purple flowers with harvest gold overtones and orange eyes at the ends of the branches from early summer to mid fall. The flowers are excellent for cutting. It has grayish green foliage throughout the season. The fuzzy narrow leaves do not develop any appreciable fall color. The fruit is not ornamentally significant.

Landscape Attributes

Bicolor Butterfly Bush is a multi-stemmed deciduous shrub with an upright spreading habit of growth. Its average texture blends into the landscape, but can be balanced by one or two finer or coarser trees or shrubs for an effective composition.

This is a relatively low maintenance shrub, and is best pruned in late winter once the threat of extreme cold has passed. It is a good choice for attracting bees, butterflies and hummingbirds 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.

Bicolor Butterfly Bush is recommended for the following landscape applications;

  • Mass Planting
  • General Garden Use
  • Container Planting

Planting & Growing

Bicolor Butterfly Bush will grow to be about 6 feet tall at maturity, with a spread of 4 feet. It tends to be a little leggy, with a typical clearance of 1 foot from the ground, and is suitable for planting under power lines. It grows at a fast rate, and under ideal conditions can be expected to live for approximately 20 years.

This shrub should only be grown in full sunlight. It is very adaptable to both dry and moist locations, and should do just fine under average home landscape conditions. It is considered to be drought-tolerant, and thus makes an ideal choice for xeriscaping or the moisture-conserving landscape. It is not particular as to soil type or pH, and is able to handle environmental salt. It is highly tolerant of urban pollution and will even thrive in inner city environments. This particular variety is an interspecific hybrid.

Bicolor Butterfly Bush makes a fine choice for the outdoor landscape, but it is also well-suited for use 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. Note that when grown in a container, it may not perform exactly as indicated on the tag - this is to be expected. Also 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
Characteristics
Massing  Garden  Container 
Applications
Flowers  Attracts Wildlife 
Ornamental Features