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PlantFiles: Karl Foerster's Feather Reed Grass, Feather Reed Grass
Calamagrostis acutiflora 'Karl Foerster'

 
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Family: Poaceae (poh-AY-see-ay) (Info)
Genus: Calamagrostis (ka-la-mo-GROSS-tis) (Info)
Species: acutiflora (ak-yoo-tih-FLOR-uh) (Info)
Cultivar: Karl Foerster

12 vendors have this plant for sale.

4 members have or want this plant for trade.

Category:
Ornamental Grasses and Bamboo

Height:
4-6 ft. (1.2-1.8 m)

Spacing:
24-36 in. (60-90 cm)

Hardiness:
USDA Zone 5a: to -28.8 °C (-20 °F)
USDA Zone 5b: to -26.1 °C (-15 °F)
USDA Zone 6a: to -23.3 °C (-10 °F)
USDA Zone 6b: to -20.5 °C (-5 °F)
USDA Zone 7a: to -17.7 °C (0 °F)
USDA Zone 7b: to -14.9 °C (5 °F)
USDA Zone 8a: to -12.2 °C (10 °F)
USDA Zone 8b: to -9.4 °C (15 °F)
USDA Zone 9a: to -6.6 °C (20 °F)
USDA Zone 9b: to -3.8 °C (25 °F)

Sun Exposure:
Sun to Partial Shade

Danger:
Unknown - Tell us

Bloom Color:
Inconspicuous/none

Bloom Time:
Late Spring/Early Summer

Foliage:
Grown for foliage
Herbaceous

Other details:
Average Water Needs; Water regularly; do not overwater

Soil pH requirements:
6.1 to 6.5 (mildly acidic)
6.6 to 7.5 (neutral)
7.6 to 7.8 (mildly alkaline)

Propagation Methods:
By dividing the rootball

Seed Collecting:
N/A: plant does not set seed, flowers are sterile, or plants will not come true from seed

By plantdude
Thumbnail #1 of Calamagrostis acutiflora by plantdude

By hczone6
Thumbnail #2 of Calamagrostis acutiflora by hczone6

By hczone6
Thumbnail #3 of Calamagrostis acutiflora by hczone6

By gardenwife
Thumbnail #4 of Calamagrostis acutiflora by gardenwife

By LilyLover_UT
Thumbnail #5 of Calamagrostis acutiflora by LilyLover_UT

By dwarfconifer
Thumbnail #6 of Calamagrostis acutiflora by dwarfconifer

By growin
Thumbnail #7 of Calamagrostis acutiflora by growin

There are a total of 9 photos.
Click here to view them all!

Profile:

5 positives
1 neutral
No negatives

Gardeners' Notes:

RatingAuthorComment
Positive Meig On Jul 13, 2007, Meig from Far Northwest 'burbs, IL
(Zone 5a) wrote:

This grass is indestructible and will grow anywhere you plant it. It handles all soil types and the bitter winter winds on my property don't faze it.

Positive Gabrielle On Jan 25, 2006, Gabrielle from Washington, IL
(Zone 5a) wrote:

I have it along a chainlink fence to hide the fence; it is the perfect height to provide a bit of privacy, but still be able to visit. I have it in a fair amount of shade under a maple tree, so it doesn't get as tall. My information says it is hardy in zones 4-9. Blooms early June in my garden.

Positive bigcityal On Dec 10, 2005, bigcityal from Menasha, WI
(Zone 5a) wrote:

This is a nice looking grass that stays in place and tolerates a wide variety of conditions.

Neutral tcfromky On Aug 26, 2004, tcfromky from Mercer, PA
(Zone 5a) wrote:

This upright, arching grass grows 2 to 3 feet round with showy flower spikes rising 3 feet above the foliage. Green with red bronze tones turn golden in the fall. Good in meadows and open woodlands - it likes a rich moist sunny location and can tolerate heavy soil and heat with water. Good vertical accent plant.

Positive BingsBell On Aug 9, 2004, BingsBell from SC, MT
(Zone 5a) wrote:

I am adding another positive for this great grass. It is beautiful, tough, early to start each spring and beautiful all winter long until haircut time. I have two beautiful clumps near my pond which is above ground 18 inches for me to sit on to play with the fish and keep my water lilies looking nice. The grasses make it look natural without hiding the pond.

I put this and the "overdam" variety in places all over. It stands by itself well as well as accents other beds. Use it to hide an ugly A/C or give a blank wall or fence some class.

Positive cbamrick On Sep 10, 2003, cbamrick from Green Bay, WI
(Zone 5a) wrote:

This ornamental grass provides much-needed winter interest in my Wisconsin (U.S.) location. Its vertical growth habit provides an interesting backdrop for other plantings while doubling as a living wind barrier when planted in groupings. I am particularly delighted to see the number of stages the seed heads go through. Airy and open with a pink cast to golden and vertical. This has been an excellant performer for me in Green Bay, Wisconsin.

Regional...

This plant has been said to grow in the following regions:

Spring Grove, Illinois
Washington, Illinois
Greenville, Indiana
Reading, Massachusetts
Ferrysburg, Michigan
Cottage Grove, Minnesota
Little Falls, Minnesota
Minneapolis, Minnesota
Billings, Montana
Pahrump, Nevada
Lockport, New York
Raleigh, North Carolina
Mogadore, Ohio
Millington, Tennessee
Linden, Virginia
Olympia, Washington
Green Bay, Wisconsin
Madison, Wisconsin
Menasha, Wisconsin
Pewaukee, Wisconsin



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