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Delphinium grandiflorum 'Blue Butterfly'

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Photo Courtesy of Walters Gardens, Inc.
 Common Name: Delphinium-Dwarf

Totally unlike the tall, spiky Delphinium cultivars, this little beauty stands at a height of 14" and forms compact mounds of well-branched foliage. It puts on a spectacular show from early summer to fall, with 1.5", deep blue flowers which cover the lacy leaves. Though it is short-lived, it is worth using as edging, a bedding plant, or in containers combined with brightly colored annuals.

Origin: Not Native to North America

Characteristics:



Height:
  14 Inches
Spread:
  12 Inches
Flower Color:
  Blue shades
Foliage Color:
  Green shades
Hardiness Zone:
3,4,5,6,7
Find Your Zone
Sun or Shade?:
  Full sun (> 6 hrs. direct sun)
  Part shade (4-6 hrs. direct sun)
Wet or dry?:
  Average water needs
Want to see wings?:
  Attracts butterflies
  Attracts hummingbirds
Need critter resistant plants?:
  Deer resistant
  Rabbit resistant
How fast should it grow?:
  Medium
When should it bloom?:
  Early summer
  Midsummer
  Late summer
How's your soil?:
  Average Soil
  Fertile Soil
Sweet or Sour Soil?:
  Neutral Soil (pH = 7.0)
  Alkaline Soil (pH > 7.0)
What's your garden style?:
  Container/Patio
  Cottage
  Eclectic

Attributes:

Border plants
Container
Cut flower or foliage
Edging
Mass Planting
Small / Miniature
Long blooming

Homeowner Growing & Maintenance Tips:

Delphiniums thrive in the cooler climates of the north country, though they will grow as far south as zone 7. They grow best in rich, well-drained soil with a basic pH. If your soil is naturally acidic, adding lime will help to provide these conditions. They are also heavy feeders. The addition of compost or manure to the soil as well the use of granular fertilizer will result in healthier, stronger plants.

Delphiniums can be grown in full sun or partial shade, though full sun may help to prevent powdery mildew. When planting, be sure to set the crown at or above soil level to avoid rot. These perennials tend to be short-lived and often start to lose their vigor after 2-3 years. Expect to replant them every few years or propagate new plants from basal cuttings of the original specimens. 'Blue Butterfly' sometimes self-seeds, especially in cool-summer regions.


Companions:

Common/Botanical Name
Zones  
Artemisia schmidtiana 'Silver Mound'
Common Name: Silver Mound Artemesia
3,4,5,6,7
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Coreopsis verticillata 'Golden Showers'
Common Name: Coreopsis-Threadleaf
4,5,6,7,8,9
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Helictotrichon sempervirens 'Sapphire'
Common Name: Grass-Ornamental
3,4,5,6,7,8
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Leucanthemum superbum 'Becky'
Common Name: Shasta Daisy
5,6,7,8,9
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Monarda 'Colrain Red'
Common Name: Bee Balm
4,5,6,7,8
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Heuchera 'Petite Pearl Fairy' PP11058
Common Name: Coral Bells
3,4,5,6,7,8
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Gypsophila 'Compacta Plena'
Common Name: Baby's Breath
3,4,5,6,7,8,9
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Myosotis sylvatica 'Royal Blue Compact'
Common Name: Forget-Me-Not
3,4,5,6,7,8
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Alchemilla erythropoda
Common Name: Lady's Mantle
3,4,5,6,7
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Dianthus 'Dragon Fruit' PP21894
Common Name: Pinks
4,5,6,7,8,9
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While every effort has been made to describe this plant accurately, please keep in mind that the height, bloom time, and color may differ in various climates throughout the country. The description of this plant was written based on our experience growing it in Michigan (USDA hardiness zone 5) and on numerous outside resources.