feather reed grass
Calamagrostis x acutiflora

Feather reed grass is one of the most popular ornamental grasses worldwide. This plant was formerly known as Calamagrostis x acutiflora ‘stricta.’ The flowers open as fanned-out panicles and then narrow as the summer progresses into golden-colored linear shapes. Feather reed grass forms clumps and stays upright even after heavy storms. The cultivar 'Overdam' may be hardy only in southern Iowa.

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Feather reed grass 'Overdam,' switchgrass 'Heavy Metal' in left foreground. Vander Veer Botanical Park, Davenport. 9 Sept 2003. Photo: Anna Gardner

Annual or perennial: perennial

Origin: Europe,
hybrid

Height: to 6', but usually shorter

Hardiness: zone 4

Habit: clumping

Moisture: well-drained, but tolerates clay

Propagation: division

Light: 3/4 to full sun

Flowering: July-September

Uses: specimen and larger plantings, fresh and dried flowers

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Feather reed grass 'Karl Foerster.' Iowa Arboretum near Luther. 15 July 2003. Photo: Anna Gardner

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Feather reed grass 'Overdam,' Vander Veer Botanical Park, Davenport. 9 Sept 2003. Photo: Anna Gardner

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