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PlantFiles: Cogongrass, Cogon Grass, Satintail, Japanese Blood Grass
Imperata cylindrica

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Family: Poaceae (poh-AY-see-ee) (Info)
Genus: Imperata (im-per-AH-tuh) (Info)
Species: cylindrica (sil-IN-dree-kuh) (Info)

3 vendors have this plant for sale.

5 members have or want this plant for trade.

Category:
Ornamental Grasses and Bamboo

Height:
18-24 in. (45-60 cm)

Spacing:
15-18 in. (38-45 cm)

Hardiness:
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:
N/A

Bloom Color:
Inconspicuous/none

Bloom Time:
N/A

Foliage:
Herbaceous

Other details:
May be a noxious weed or invasive
Average Water Needs; Water regularly; do not overwater
This plant is resistant to deer

Soil pH requirements:
Unknown - Tell us

Patent Information:
Non-patented

Propagation Methods:
Unknown - Tell us

Seed Collecting:
Unknown - Tell us

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Profile:

1 positive
1 neutral
4 negatives

Gardeners' Notes:

RatingAuthorContent
Positive Lodewijkp On May 28, 2008, Lodewijkp from Zwolle
Netherlands (Zone 7a) wrote:

I have found the ''red baron '' cultivar not invasive if you cut it it's going to die.

It can revert to green and grow alot faster.


Other Imperata are easily controlled with eucalyptus leaves.

Negative patp On May 19, 2007, patp from Summerville, SC (Zone 8a) wrote:

The South Carolina Forestry Commission warns that Cogongrass poses a greater threat to the Southeast than kudzu. That's a very scary thought! It has no redeeming qualities and is extremely flammable. Paraphrasing a local news article, 'It's easily identifiable this time of year while it is flowering. The blades can be as tall as six feet, crested with a cylindrical white seed head two-to-eight inches in length. Clemson University researcher says all forms of Imperata cylindrical, including the red forms, such as Japanese Bloodgrass and Red Baron, are illegal (but being sold) in SC. If found, contact your local Extension office or The Dept of Plant Industry at 864-646-2130."

Neutral frostweed On Dec 19, 2006, frostweed from Josephine, Arlington, TX (Zone 8a) wrote:

Cogongrass, Cogon Grass, Satintail, Japanese Blood Grass Imperata cylindrica is naturalized in Texas and other States and is considered an invasive plant in Texas.

Negative escambiaguy On Jan 19, 2005, escambiaguy from Atmore, AL (Zone 8b) wrote:

I have a plot of land that was pure cogon grass.My grandfather planted it decades ago when he was raising goats.Over the years wax myrtle has moved in and took over.It is actually getting rid of the cogon grass.I'm not sure if its shading it out or it's an allelopathic effect.But half of the cogon grass that was there 10 years ago is now gone.

Negative caron On Nov 25, 2004, caron from Woodland Park, CO (Zone 4b) wrote:

U.S. FEDERALLY LISTED NOXIOUS WEED.
Not allowed for import to the US and not allowed in any interstate or intrastate transportation without a specific permit from USDA APHIS PPQ (Plant Protection and Quarantine).

No one should be selling/growng this plant in the U.S.

Negative bstrngr On Jul 17, 2003, bstrngr wrote:

Here in the South, Imperata cylindrica, cogongrass, is a very seriously invasive weed in forests and pastures. It is very difficult to destroy, and spreads via light, fluffy seeds. I have seen this grass referred to as the seventh worst weed in the world. I have seen notes from nurseries selling the thing that instruct the buyer to destroy it if it reverts to the green form. I question whether anyone should be selling this grass.

Regional...

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

Atmore, Alabama
Dunnellon, Florida
Palmetto, Florida
Washington, Illinois
Coushatta, Louisiana
Wiggins, Mississippi
Hulbert, Oklahoma



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