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Calamagrostis acutiflora 'Overdam'

Common Name: Overdam Feather Reed Grass

A refined, upright ornamental grass valued for its clean variegation and strong vertical habit. Narrow green blades are edged with creamy white, providing bright contrast from spring through fall. Airy flower plumes emerge in early summer with a soft pink cast, maturing to tan and persisting into winter for extended seasonal interest.

Growth is clump-forming and non-invasive, maintaining a tidy, architectural presence without spreading or flopping.

Growing Conditions

Light: Full sun to part shade (best variegation in full sun)

Soil: Moist, well-drained; adaptable to a wide range of soil types

Water: Average; drought tolerant once established

Cold Hardiness: Excellent winter tolerance

Hardiness

USDA Zones: 4a–9b

Mature Size

Height: 4–5 ft (5–6 ft in flower)

Width: 2–3 ft

Features

White-edged variegated foliage

Upright, clump-forming habit

Early-season flower plumes

Excellent winter interest

Landscape Uses

Mass plantings and drifts

Vertical accents and borders

Foundation and backdrop plantings

Formal and naturalistic gardens

Why Growers Choose It

Bright variegation without aggressive spreading

Maintains strong form throughout the season

Reliable, low-maintenance ornamental grass

Plant Type:	Ornamental Grass
Width:	2-3'
Height:	4-5'
Fragrant:	Not verified
Fruit:	Yes
Growth Rate	Fast
Zone:	4–8
Deer Resistant:	Yes
Salt Tolerant:	Not verified
Drought Tolerant:	No
Exposure:	Full Sun, Partial Shade
Bloom Time:	Summer, Late Summer
Landscape/Use:	Foundation, Mass Planting, Accent Plant
Shape:	Clump
Soil Type	Loamy
Flower Color:	Pink, Green