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Calamagrostis acutiflora Karl Foerster

Calamagrostis acutiflora Karl Foerster
Name of the varietyCalamagrostis acutiflora Karl Foerster
Width 50 cm
Height 120 cm
Insolation full-light
To grow in pots yes

This reed grass is a vertical masterpiece and provides wonderful contrast amongst low shrubs and perennials. Often used in naturalized areas, its ultimate size is directly related to the amount of moisture. Even though Calamagrostis can grow in fresh-water bogs, it also does well in drier areas.
One of the first grasses to start growing in the spring, C. 'Karl Foerster' is an early bloomer, which is an asset in areas with a short growing season. The blossoms change color through the season and remain on the plant until winter snow brings them down. Pick the flowers at different stages of development and create a colorful arrangement. Combine in a vase with rose stems laden with rosehips and place outside your front door.
The seeds are sterile, which means the plant won't self-seed.
Sways gracefully in the lightest breeze. A row or a mass planting of Karl is spectacular on a windy day!
Who would have thought that a grass could win Perennial Plant of the Year, but in 2001 'Karl Foerster' took the honour.
Says C.B. in Anchorage, Alaska: Karl Foerster thrives here in Anchorage, reaching 7' in my Zone 3/4 garden. It is planted in full sun and in part shade, and seems to do equally well in both.
Cool season; clump forming
Foliage is green; medium blade width; 90-120 cm (36-48) tall
Flowers in June through July; 150-200 cm (60-80) tall; flowers often remain erect despite heavy snowfall
Ideal conditions - full sun; moist to wet fertile soil; tolerates a wide range of soil types including dry sandy soil; thrives in clay soil
Coldest zone: 3 - 9
Suggested uses - specimen, in a border, as a hedge or screen, as a backdrop for roses and other perennials, in arrangements.
Season of interest - June to winter
Plant - early to late spring and early fall
Cut down in early spring, just before the new growth starts
Water to root depth once every 2 weeks
Recommended spacing between plants 45-100cm (18-40)
 

 

 

 

 

Feather Reed Grass. Popular for its architectural qualities, it has mounds of green foliage with mid green slender upright leaves. Purple tinted flowers, fading to a wonderful straw colour towards the end of the season. Sunny open spot. Height 1.5 - 1.8m. Deciduous.