Calamagrostis x acutiflora 'Karl Foerster'
One of the most popular perennial grasses, ‘Karl Foerster‘ is known for its majestic, long-lasting plumes and hardiness. Its foliage is a mid-green and grows in neat, upright clumps. Stalks of up to 1.8m arise in spring capped with bronze flowers that fade to a pale, wheat brown. Seeds are sterile so there is no risk of spreading.
Cultural
In the right position ‘Karl Foerster‘ is generally trouble free and low maintenance. It is a sterile cultivar so will not spread via seed.
Soil:
Tolerates any well-drained soil.
Aspect:
Full sun to part shade.
Maintenance:
Cut plant almost to the ground in winter. Feed lightly in spring to promote healthy growth. Can be divided in mid-spring to reduce size. Foliar rust can be an issue in particularly wet summers, treat with a fungicide.
Water Requirements:
Drought tolerant once established but will benefit from supplementary watering.
Seasonal Interest:
Summer flowering.
Landscape Uses
Ideal for adding vertical accents and movement to the garden. Though they make an excellent filler plant, they look fantastic planted in groups and are great for creating borders and backdrops.
Dimensions
Height to 1.8m
Width to 90cm
Width to 90cm