Delphinium 'Black Knight'

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Larkspur

USDA Hardiness Zone 3-7

This is the darkest of the Delphiniums. This is unsurpassed for providing a dramatic, eye-catching display. Dark purple flowers with black bees appear in early summer and possibly again in autumn. Tall stately flower spikes are admired for their dignified appearance. An old-fashioned favorite for traditional perennial gardens. Effective in cutting gardens. Attracts butterflies and hummingbirds.

Height

4-5 ft

Spread

18-24 Inches

Color

Blue/Purple

Bloom Time

June-July

Homeowner Growing and Maintenance Tips

Fertilize before flowering time. Often need staking or some form of support in windy areas. Cut back all old growth when new basal growth is visible.

When to Divide

early spring

Good Companions

Variegated Japanese Silver Grass (Miscanthus sinensis), Shasta Daisy (Leucanthemum superbum), Garden Phlox (Phlox paniculata), Double Coneflower (Echinacea Cone-fections™), Yarrow (Achillea ), Threadleaf Coreopsis (Coreopsis verticillata), Bee Balm (Monarda ), Daylily (Hemerocallis )

Characteristics & Attributes

Attracts Wildlife
Butterflies
Attributes & Uses
Cut Flowers
Critter Resistance
Deer Resistant
Exposure
Full Sun
Partial Shade
Foliage Color
Green
Season of Interest (Flowering)
Summer
Season of Interest (Foliage)
Summer
Soil Moisture Preference
Well-drained
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