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Buy Buddleja davidii 'Black Knight'

Also Known As

Buddleia davidii 'Black Knight'
Black Knight Butterfly Bush
Butterfly Bush
Orange-eye Butterfly Bush
Summer Lilac

Plant type

shrub

size

H: 5'-10'
W: 4'-6'

planting zones

5a-9b

1 gallon | $21.4

Avail in US except West Coast, HI/AK

Fewer than 10 at Maples N More Nursery

3 gallon | $37.45

Avail in US except West Coast, HI/AK

Fewer than 1 at Maples N More Nursery

More Options

Buddleja davidii 'Black Knight' plant details

Buddleja davidii 'Black Knight' is a fast-growing broadleaf deciduous shrub with blue and green foliage. In fall and summer purple flowers emerge. Attracts bees, butterflies and hummingbirds making it an excellent addition to pollinator gardens. Grows well with sun and regular water. Does well in clay, rich and well-drained soil. A good option if you're seeking something seaside / salt tolerant and wind tolerant.

CHARACTERISTICS OF Buddleja davidii 'Black Knight'

Plant type: shrub
Plant family: scrophulariaceae
Foliage: deciduous blue and green
Mature size: 4 FT - 6 FT - wide, 5 FT - 10 FT - tall
Flowers: purple blooms in fall and summer
Uses: cottage garden, firescaping/fire wise, fragrant

GROWING CONDITIONS for Buddleja davidii 'Black Knight'

USDA Zones: 5a - 9b
Sun exposure: sun
Watering frequency: regular
Resistant to: deer, seaside / salt and wind
Soil needs: clay, rich and well-drained

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Nursery contributed plant descriptions

Black Knight Butterfly Bush is the darkest purple of butterfly bushes. Butterflies and hummingbirds love the fragrant smell from the blooms. Good accent or background plant. Low maintenance bush that blooms all summer. Black Knight Butterfly bush is a great bush to have in your pollinator garden.

By: Maples N More Nursery

Fragrant purple flowers and silvery green foliage. Tolerates clay soil.Butterfly bush offers valuable summer and early fall flowers when few other shrubs are in bloom. Best when grown in mass border plantings in borders, cottage gardens or butterfly gardens. Highly attractive to hummingbirds, butterflies, and pollinators.

By: The Kinsey Family Farm

One of the best of all Buddleia cultivars -- dark purple fragrant flowers attract lots of butterflies and bees to the garden.

By: Phoenix Perennials and Specialty Plants Ltd.

A hardy, quick growing, evergreen, butterfly attracting shrub, with pairs of white backed, lance shaped leaves clothing the woody stems. Dense, conical sprays of small, tubular, four petalled flowers of the deepest blue purple.Trim lightly after each flush of flowers or it can be pruned back to ground level while in active growth to encourage vigorous new basal shoots.One of the choicer cultivars.

By: Zephs

Deep violet clusters of fragrant, tubular flowers bloom from July to October on this vigorous, deciduous bush. Leaves are dark green with white, felted undersides. Growing 10-15' high, it is adaptable to alkaline soils, and maritime conditions. Prune back hard either to ground or to woody framework annually in March. Hardy to 0F and below.

By: Native Sons

Showy deep violet-purple, fragrant spikes, to 8" long, are held at the ends of the arching, woody stems. Blooming from spring to fall. Deadhead to encourage repeat blooming. A favorite of butterflies. Probably the most striking color of all the Buddlejas. Butterfly Bush is considered invasive in some areas, please consult your local state offices before purchasing.

By: Almost Eden

Buddleia are well known for continuous flowers in late summer. Well named, all buddleia attract butterflies. Can grow 6-8' in ten years but is usually cut back. This one is dark purple. Awards: Award of Garden Merit from the Royal Horticultural Society. Recommended by: Garden Clubs of America, and the United States National Arboretum.

By: Fantastic Plants

A mainstay in the garden. Attracts butterflies by the dozens. May die back to the ground in winter. Especially good when planted in groupings. If old blooms are removed, it will bloom 'til Frost. Fragrant, low maintenance. Received the Award of Garden Merit (AGM) is a program of the Royal Horticultural Society (RHS)