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PlantFiles: Torpedo Grass
Panicum repens

Family: Poaceae (poh-AY-see-ee) (Info)
Genus: Panicum (PAN-ih-kum) (Info)
Species: repens (REE-penz) (Info)

Ornamental Grasses and Bamboo

36-48 in. (90-120 cm)

15-18 in. (38-45 cm)

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)
USDA Zone 10a: to -1.1 C (30 F)
USDA Zone 10b: to 1.7 C (35 F)
USDA Zone 11: above 4.5 C (40 F)

Sun Exposure:
Full Sun
Sun to Partial Shade
Light Shade


Bloom Color:
Unknown - Tell us

Bloom Time:
Late Summer/Early Fall


Other details:
May be a noxious weed or invasive

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

Patent Information:

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

Click thumbnail
to view:

By awildrose60
Thumbnail #1 of Panicum repens by awildrose60


No positives
1 neutral
3 negatives

Gardeners' Notes:

Negative trackinsand On Jul 1, 2012, trackinsand from mid central, FL (Zone 9a) wrote:

i hesitated marking the question about "have you had success" because obviously success is the wrong word for this nastiest of grasses.
i have two words for it, ROUND-UP.

Negative Unright On Sep 21, 2008, Unright from Bradenton, FL wrote:

Invasive and very, very hard to get rid of.

Neutral frostweed On Dec 27, 2006, frostweed from Josephine, Arlington, TX (Zone 8a) wrote:

Torpedo Grass Panicum repens is naturalized in Texas and other States and is considered an invasive noxious plant. It is prohibited in Texas.

Negative Happy_1 On Sep 5, 2006, Happy_1 from Chicago, IL (Zone 5b) wrote:

If there was a double negative, I would have marked that. This is the bain of my yard...UGH....Hap


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

Fort Lauderdale, Florida
Fort Myers, Florida
Jacksonville, Florida
Navarre, Florida
Sarasota, Florida
Hammond, Louisiana

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