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Asclepias tuberosa

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Photo Courtesy of Walters Gardens, Inc.
 Common Name: Butterfly Weed

A virtually hassle-free perennial, offering three months of tangerine orange blooms (occasionally red or yellow) from early through late summer. Deadheading the flowers will stimulate another bloom cycle about a month after the first one. The flowers, which are heavily laden with nectar and pollen, are particularly attractive to hummingbirds, Monarch butterflies, bees, and other beneficial insects.

Gather bouquets of Asclepias all summer long; the long stems are wonderful for cutting and are long-lasting. Sear the ends of the cut stems over a flame to stop the milky sap from leaking out.

Following the fabulous flowers, green fruits develop which rupture to reveal seeds with long, silvery-white, silky hairs reminiscent of its cousin, common milkweed. These are great to use in dried flower arrangements.

Origin: Native Species

Characteristics:



Height:
  2 Feet
Spread:
  2 Feet
Flower Color:
  Gold/Orange Shades
Foliage Color:
  Green shades
Hardiness Zone:
3,4,5,6,7,8,9
Find Your Zone
Sun or Shade?:
  Full sun (> 6 hrs. direct sun)
Wet or dry?:
  Low water needs
  Average water needs
Want to see wings?:
  Attracts butterflies
  Attracts hummingbirds
Need critter resistant plants?:
  Deer resistant
How fast should it grow?:
  Medium
When should it bloom?:
  Early summer
  Midsummer
  Late summer
Looking for seasonal interest?:
  Attractive Seed Heads
How's your soil?:
  Poor Soil
  Average Soil
  Fertile Soil
Sweet or Sour Soil?:
  Acidic Soil (pH < 7.0)
  Neutral Soil (pH = 7.0)
What's your garden style?:
  Prairie
  Rain Garden
  Eclectic

Attributes:

Border plants
Cut flower or foliage
Dried flower or seed heads
Drought Tolerant
Mass Planting

Homeowner Growing & Maintenance Tips:

Asclepias tuberosa is a prairie plant native to North America from S. Ontario and New York, west to N. Dakota, southwest to Colorado, Arizona, and New Mexico, and south to Florida (zones 3-9). Found naturally in dry fields and on slopes, it does not require rich soil or much moisture. A full day of sun is best along with a slightly acidic, sandy-humus-loam that is well-drained (especially in winter).

Once established, Butterfly Weed is drought-tolerant and requires little care. Though it is perfectly cold-hardy in the north, mulching plants in winter will help prevent frost-heaving. In spring, trim back last year's growth and await the beautiful new foliage which will appear quite a bit later than other perennials. It's a good idea to grow this perennial from seed; division, though seldomly needed, is difficult because of the plant's long tap root.


Companions:

Common/Botanical Name
Zones  
Coreopsis verticillata 'Golden Showers'
Common Name: Coreopsis-Threadleaf
4,5,6,7,8,9
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Veronica spicata 'Red Fox'
Common Name: Speedwell
4,5,6,7,8
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Campanula 'Sarastro'
Common Name: Bellflower
3,4,5,6,7,8
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Echinops bannaticus 'Blue Glow'
Common Name: Globe Thistle
3,4,5,6,7,8
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Centranthus ruber 'Coccineus'
Common Name: Red Valerian
4,5,6,7,8
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Verbascum 'Summer Sorbet'
Common Name: Mullein
5,6,7,8,9
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Aster dumosus 'Wood's Light Blue'
Common Name: Aster-New York
3,4,5,6,7,8
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Buddleia davidii 'Black Knight'
Common Name: Butterfly Bush
5,6,7,8,9,10
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Salvia nemorosa 'Plumosa'
Common Name: Salvia-Perennial
3,4,5,6,7,8
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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.