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Panicum virgatum �Cheyenne Sky�

Common Name(s):

Cheyenne Sky Switchgrass

Red Switchgrass

Synonym:

​

Switchgrass

Flower:

Pink

Blooms :

Jul

to:

Oct

Flowers small, grass flowers without petals or sepals, occurring in large panicle inflorescences

Botanical Description

Fragrant?

NO

Family:

Poaceae

Grass

Foliage:

Green

Bluish green linear leaves turn burgundy red by late June

Fall Color?

YES

Blue-green foliage changes to deep burgandy, coppery bronze and purplish hues by fall

Foliage remains on plant through winter

Photo by: 

Heading 6

Seed plumes persist well into winter, leaves turn beige

Oregon Native?

NO

West State Native?

NO

Origins:

North America but most common from central great plains states

Site Selection

Minimum USDA Hardiness Zone:

4

Water Needs:

M

Sun Needs:

Full Sun

Deer Resistant?

NO

Firewise?

YES

Height:

2-3'

Spread:

1.5-2'

Growth Rate:

Fast

Native Habitat:

Tallgrass prairies in North America

Soil:

Average, medium to wet soils

Care Recommendations

Maintenance Level:

Low

Fertilizer:

Requires no supplemental fertilizer

Mulch:

Provides its own mulch by just cutting back stems and leaving them in place

Full sun, minimal fertilization, annual pruning

Long Term:

Winter:

None

Spring:

Cut back the foliage to about 4-6 inches in the spring before growth resumes. When foliage is removed, spring growth will begin earlier. Old foliage left on the plant can delay the crown�s warming and subsequent growth by as much as 3 weeks.

Summer:

Minimal fuss is needed but watch for pests and diseases

Fall:

Grasses do not need to be cut down before winter. In fact, they are attractive when left standing and the foliage helps to insulate the crown of the plant.

General Care Comments:

Tolerant of drought, erosion, dry soil, wet soil, black walnut, air pollution

Common Problems

Flopping in strong winds, heavy rain

Diseases:

Rust

Insects:

Japanese beetles, thrips, spider mites

Environmental Problems:

Flopping if plantedi n too rich soils

Pests:

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