Photo Courtesy of Walters Gardens, Inc.

Asclepias tuberosa 'Hello Yellow'

Butterfly Weed

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A virtually hassle-free perennial, this cultivar of our native A. tuberosa offers three months of golden yellow blooms 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.

Height:

24 in

Spread:

24 in

Hardiness Zone:

3 - 9

Interesting Notes:

Gather bouquets of Asclepias all summer long; the long stems are wonderful for cutting and are long-lasting. 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.

Butterfly Weed Growing and 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.

Asclepias tuberosa 'Hello Yellow' Characteristics

Attributes

  • Dried Flower
  • Drought Tolerant
  • Mass Plant
  • Border
  • Cut Flower / or Foliage

Critter Resistance

  • Deer Resistant

Exposure

  • Sun Tolerant

Growth Rate in the Garden

  • Medium

Nature Attraction

  • Hummingbirds
  • Butterflies

Season of Interest (Flowering)

  • Late Summer
  • Late Spring / Early Summer
  • Summer

Soil Moisture Needs

  • Dry
  • Average