Andropogon gerardii ‘Nondhwr’ (Karl’s Cousin®)

(Karl's Cousin Big Bluestem)


Hardiness Zones:

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

Quick Overview:

Described as the ‘Karl Foerster’ of Big Bluestem, this exciting native cultivar was selected in the wild by Dave MacKenzie of Hortech. He chose it for its tight, upright, architectural habit, and then discovered its coloration was a beautiful bonus. Basal foliage starts out green-blue, with stems, leaves, and flowers turning shades of purple-blue as the season progresses. Carrying all the resilience and versatility of the species, this new selection resists flopping. Its narrow, upright habit makes it easy to pair with other plants and fit into tight spaces.

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Easily grown in average, dry to medium, well-drained soils in full sun. Tolerant of a wide range of soils and growing conditions. Puts out lots of growth in moist, fertile soils, but is less apt to topple in dryish, infertile soils. Freely self-seeds in optimum growing conditions. This grass develops an extensive root system and is somewhat slow to establish, but, once established, has excellent drought tolerance and is easy to maintain. Cut stems to the ground in late winter before new shoots appear.

Additional information

Common Name

Karl's Cousin Big Bluestem

Botanical Name

Andropogon gerardii 'Nondwhr'


1 gallon

Evergreen or Deciduous


Hardiness Zone

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

Growth Rate


Light Requirements



3-4', 6-7' w/ bloom


1 to 2 '

Soil Condition


Water Needs

Average to dry

Blooming Period


Flower Color




Foliage Color

Green turning to purple

Deer Resistant


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