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Switch Grass 'Cloud Nine'

Panicum virgatum (PAN-ih-kum ver-GAY-tum KLOWD NAIN)

Family: Poaceae Unknown Herbaceous (3-15 ft)

Switch grass 'Cloud Nine' is a tall, erect, clumping, bluish-green, perennial, ornamental grass cultivar that grows up to 7 feet tall and 2 to 3 feet wide and is one of the tallest switch grasses. The leaves are initially metallic bluish-gray in the spring. By fall, they are golden-yellow and then turn a tannish-beige in the winter. This warm-season grass has airy clusters of tiny, pink-tinted blooms in mid to late summer, persisting into the fall and winter. Switch grass 'Cloud Nine' was introduced in Maryland at the former Bluemount Nursery. It is a member of the grass family (Poaceae). Prefers full sun, but it will tolerate partial shade. It prefers moist, sandy, or clay soils, but it tolerates a variety of soil types. It is dry- and wet-soil tolerant, as well as drought-tolerant. The foliage should be cut back to the ground in late winter or early spring. It is winter hardy in zones 5 to 9. Birds feed on its seeds, and the grass provides a nesting site for birds and small mammals. Switch grass 'Cloud Nine' will add interest to your landscape during the summer, fall, and winter, and may be planted in groups or mass plantings along borders, ponds, streams, or naturalized areas. Insects, Diseases, and Other Plant Problems: Generally, it is pest-free and disease-free. Monitor for Japanese beetles, thrips, and spider mites. In hot and humid climates, this grass may be susceptible to rust. Crown rot or root rot may occur. In deep shade, this grass will lose its vertical form and tend to fall over. More information on Panicum virgatum .

Source: NC State Extension Gardener Plant Toolbox ↗ NC State Extension Gardener Plant Toolbox, 48 attributes.

How it fits the guild

Guild layer 4 - Herbaceous (3-15 ft) Optimal soil pH Acid (<6.0); Neutral (6.0-8.0)
See companions & conflicts ↓

Companions & Conflicts

Curated pairwise relationships between this plant and others in the library — who feeds whom, who competes, who confuses the pests. Green reads as a good pairing, red as one to avoid.

No curated interactions recorded for this species yet.

Also noted by NC State

Related species the NC State Plant Toolbox flags for this plant — look-alikes to tell apart, and plants that play a similar role in a planting. Ones we carry in the library are linked.

Often confused with Panicum virgatum
Fills a similar niche Panicum virgatum 'Heavy Metal' Panicum virgatum 'Northwind' Schizachyrium scoparium

Full plant profile

Growing Conditions
Plant type
Herbaceous Perennial; Ornamental Grasses and Sedges
Life cycle
Perennial
USDA zones
5a, 5b, 6a, 6b, 7a, 7b, 8a, 8b, 9a, 9b
Light
Full sun (6 or more hours of direct sunlight a day) | Partial Shade (Direct sunlight only part of the day, 2-6 hours)
Soil texture
Clay; Loam (Silt); Sand
Soil pH
Acid (<6.0); Neutral (6.0-8.0)
Soil drainage
Moist | Occasionally Dry | Occasionally Wet | Very Dry
Available space
3 feet-6 feet
NC region
Coastal; Mountains; Piedmont
Mature size
Height: 5 ft. 0 in. - 7 ft. 0 in. | Width: 2 ft. 0 in. - 3 ft. 0 in.
Growth rate
Rapid
Maintenance
Low
Canopy layer
4 - Herbaceous (3-15 ft)
Form & Appearance
Habit / form
Clumping; Erect; Vase
Texture
Fine
Foliage
Deciduous
Leaf color
Blue; Cream/Tan; Gold/Yellow; Gray/Silver
Leaf type
Sheath
Leaf shape
Linear
Leaf margin
Entire
Leaf feel
Glossy
Leaf value
Showy
Leaf size
> 6 inches long
Hairs present
No
Leaf detail
The grass leaves are tall, erect, flat, linear, and initially bluish-gray. By the fall, the leaves are golden-yellow, and by winter, they are tannish-beige.
Flower color
Pink
Flower value
Long-lasting; Showy
Flower form
Panicle
Flower detail
Clusters of tiny, pink-tinted flowers that appear in cloud-like panicles or plumes. Bloom in mid-summer, persisting through the fall and winter.
Bloom time
Summer
Fruit type
Caryopsis
Wildlife & Ecology
Native status
Unknown
Wildlife value
Shelter for birds and small mammals. Birds are attracted to the seeds in the fall.
Attracts
Small Mammals; Songbirds
Play value
Colorful; Easy to Grow; Screening; Wildlife Cover/Habitat; Wildlife Food Source
Food & Medicine
Fruit type
Caryopsis
Landscape Use
Landscape location
Coastal; Meadow; Naturalized Area; Pond; Riparian
Landscape theme
Cottage Garden; Rain Garden
Design feature
Border; Hedge; Screen/Privacy
Garden tags
#fall interest #deer resistant #bird friendly #blue leaves #border #clumping #coastal plant #cottage garden #drought tolerant #dry soils tolerant #erect #fast growing #full sun #gold leaves #low maintenance #naturalized area #ornamental grass #pink flowers #pond margins #prairies #screen #shelter for wildlife #summer interest #tall grass #urban conditions tolerant #vase-shaped #wet soils tolerant #winter interest #herbaceous perennial
Problems & Resistance
Resistant to
Black Walnut; Deer; Diseases; Drought; Dry Soil; Erosion; Pollution; Salt; Urban Conditions; Wet Soil
Fire risk
high flammability

Planted at Hunnicutt

Nobody’s planted this one yet.