Vernonia ‘Southern Cross’

(ironweed, Southern Cross Ironweed)


$10.99


Hardiness Zones:

 4a  4b  5a  5b  6a  6b  7a  7b  8a  8b  9a  9b

Quick Overview:

Vernonia, or Ironweed, is not commonly offered in the perennial trade, but it is a native perennial worth noting. ‘Southern Cross’ breaks the mold of the typical tall and massive Vernonia species by producing a relatively short, vase-like habit of long, thin leaves, similar in look to Amsonia hubrichtii. Brent Horvath of Intrinsic Perennial Gardens made the discovery of this hybrid Ironweed, found among Vernonia lettermanii seedlings (other parent unknown). The leaves are broader than its parent, up to ½in across. ‘Southern Cross’ can be enjoyed for its attractive, textured deep green foliage throughout the summer. It will extend the season of color when it comes into bloom in late summer, producing an airy dome of small purple flowers, similar in look to Asters. Like Asters, ‘Southern Cross’ prefers to grow in full sun.

Description

Vernonias native to North America are somewhat weedy herbaceous perennials commonly known as ironweed. They are easily grown in average, dry to moist, well-drained soils in full sun.

Additional information

Common Name

ironweed, Southern Cross Ironweed

Botanical Name

Vernonia 'Southern Cross'

Container/Amount

1 gallon

Evergreen or Deciduous

Deciduous

Hardiness Zone

4a, 4b, 5a, 5b, 6a, 6b, 7a, 7b, 8a, 8b, 9a, 9b

Growth Rate

Fast

Light Requirements

Sun

Height

4 to 5'

Width

4 to 5'

Soil Condition

Well-drained

Water Needs

Average

Blooming Period

Late summer into fall

Flower Color

purple

Fragrance

No

Foliage Color

green

Deer Resistant

No

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