Calamagrostis x acutiflora ‘Karl Foerster’ or Feather Reed Grass has a strict upright habit with golden wheat-like plumes that appear in spring until fall. At first, they are feathery and pinkish in color, then as the weather gets warmer, they become very narrow, gradually turning a wheaten color that lasts through the fall. The stems grow upright and stand up well through summer and into winter. ‘Karl Foerster’ does not become invasive because the seeds are sterile.
One of the attractive features of this grass is that it moves gracefully with the breeze and its narrow growth habit makes ‘Karl Foerster’ a perfect tall grass for tight spaces. Fast-growing for use as an informal hedge or screen.
Grass, Feather Reed Growing and Maintenance Tips:
‘Karl Foerster’ is a cool season grass so cut back in early spring to about 8-10″ before new (green) growth has begun. Thrives in clay soil.
Characteristics & Attributes for Grass, Calamagrostis x acutiflora ‘Karl Foerster’:
Exposure: sun, Soil moisture preference: moist, average, Season of interest (flowering): Summer, Fall, Growth Habit: fast growing, Height: 80cm, Attributes: great foliage, mass planting, border or bed, focal point, Foliage colour: gold, green.
Great plants to combine with the ‘Karl Foerster’ are: Perovskia atriplicifolia ‘Little Spire’, Nepeta x Fassenii ‘Walker’s Low’, Monarda (any colour you like), Rudbeckia.
Place the taller plants at the back of the border and build down from there, and create large groups instead of just one or two of each. Always plant uneven numbers, from 5,7,9,11! Create symmetry and mirror the border.
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