Cortaderia Species, Silver Pampas Grass, Uruguayan Pampas Grass

Cortaderiaselloana

Family
Poaceae (poh-AY-see-ee)
Genus
Cortaderia (kor-tuh-DEER-ee-uh)
Species
selloana (sel-lo-AH-nuh)
Synonym
Cortaderia argentea
Arundo selloana
Sun Exposure
Full Sun
Foliage
Grown for foliage
Evergreen
Height
8-10 ft. (2.4-3 m)
10-12 ft. (3-3.6 m)
12-15 ft. (3.6-4.7 m)
Spacing
36-48 in. (90-120 cm)
Hardiness
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)
USDA Zone 10a: to -1.1 °C (30 °F)
USDA Zone 10b: to 1.7 °C (35 °F)
Danger
Plant has spines or sharp edges; use extreme caution when handling
Bloom Color
White/Near White
Cream/Tan
Bloom Time
Late Summer/Early Fall
Other Details
Category
Ornamental Grasses and Bamboo
Water Requirements
Drought-tolerant; suitable for xeriscaping
Foliage Color
Where to Grow
Bloom Characteristics
Bloom Size
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)
Patent Information
Non-patented
Propagation Methods
By dividing the rootball
Seed Collecting
Bag seedheads to capture ripening seed
Collect seedhead/pod when flowers fade; allow to dry
Properly cleaned, seed can be successfully stored
Regional

This plant is said to grow outdoors in the following regions:

Columbiana, Alabama

Midland City, Alabama

Tuscaloosa, Alabama

Tuscumbia, Alabama

Wetumpka, Alabama

Phoenix, Arizona

Prescott, Arizona

Malvern, Arkansas

Anaheim, California

Calistoga, California

Clovis, California

Emerald Lake Hills, California

Fremont, California

San Leandro, California

Woodside, California

Madison, Connecticut

Belleview, Florida

Daytona Beach, Florida

Homosassa, Florida

Lake City, Florida

Old Town, Florida

Rockledge, Florida

Athens, Georgia

Danielsville, Georgia

Jeffersonville, Indiana

Fairfield, Iowa

Mc Cracken, Kansas

Abita Springs, Louisiana

Folsom, Louisiana

Lake Charles, Louisiana

New Iberia, Louisiana

Middle River, Maryland

Waynesboro, Mississippi

Saint Joseph, Missouri

Neptune, New Jersey

Trenton, New Jersey

Albuquerque, New Mexico

Santa Fe, New Mexico

Buffalo, New York(2 reports)

New York City, New York

Candler, North Carolina

Athens, Ohio

Findlay, Ohio

Ada, Oklahoma

Arlington, Texas

Broaddus, Texas

Brownsville, Texas

Burleson, Texas

Caddo Mills, Texas

Edinburg, Texas

Hargill, Texas

Hereford, Texas

Kerrville, Texas

Longview, Texas

Mcallen, Texas

Missouri City, Texas

Pflugerville, Texas

Red Oak, Texas

San Antonio, Texas(2 reports)

Santa Fe, Texas

Spicewood, Texas

Spring Branch, Texas

Mechanicsville, Virginia

Roanoke, Virginia

Bremerton, Washington

Dallesport, Washington

Kalama, Washington

show all

Featured Videos

Gardener's Notes:

13
positives
5
neutrals
7
negatives
Sort By:
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E
Purchase, NY | January 2016 | neutral

I am in southern NY. It gets cold in the winter and the grass always bounces back in the spring with a vengeance. Here we have hard packe...Read More

S
Stilwell, OK (Zone 7a) | September 2015 | neutral

I have never been able to overwinter this in zone 7 even with heavy mulch, and good drainage. All the local stores sell it, but guess wha...Read More

D
St Joseph, MO | September 2014 | positive

Grows just fine here in Northwest Missouri Zone 5b. I had two clumps growing under a male mulberry - like that when I bought the propert...Read More

J
Spring Branch, TX | September 2014 | positive

I was told by a Botany professor that only female Pampas grass plants are sold at nurseries but in California male plants somehow made i...Read More

A
Flower Mound, TX | October 2013 | positive

I have four large clumps of Pampas Grass next to my driveway to create a barrier and to hide a large transformer for the neighborhood. I...Read More

M
New York, NY (Zone 7a) | September 2013 | positive

I just got a 3-gal white pampas grass plant mail order for my roof deck in NYC, and it is blooming now (June got it, September blooming)....Read More

S
Broaddus, TX (Zone 8b) | July 2011 | positive

Zone 8b, Heat Zone 9, deep East, TX on Lake Sam Rayburn Lake
Folks, I've read all comments about Pampass Grass Cortaderia selloana...Read More

M
Savannah, GA | January 2010 | negative

Here in Savannah this plant thrives. If you can manage to keep it away from anything else you care about you may be able to tolerate it....Read More

P
Redwood City, CA | January 2010 | negative

Paul Reeve writes:
I believe that any such invasive nuisances, such as Pampas Grass should have a prominent line along with the im...Read More

C
Calistoga, CA | January 2010 | negative

Along the California coast this plant has invaded many areas. The California Native Plant Society has established work parties in some pl...Read More

P
(Zone 8a) | November 2009 | positive

Pampas Grass is sensitive to excess winter moisture and is prone to rotting in such conditions, though it will hardly get completely kill...Read More

M
Homosassa, FL | September 2009 | neutral

On the positive side, this plant is perfect for disguising those unsightly telephone, cable, or electrical boxes which have popped up in ...Read More

I
I
Dallesport, WA | May 2008 | positive

Has done well in south central Washington state (hot, dry summers to 110 degrees, strong winds, winters close to zero). I have about a d...Read More

P
Fresno, CA | April 2008 | negative

I just spent the weekend removing a 4' diameter clump of this from my front yard. It was at least 12' tall last summer and taking over t...Read More

J
J
Chowchilla, CA | January 2008 | negative

Extremely invasive. Don't plant this is you live in CA. I have seen it growing wild in the coastal mountains as well as in vacant lots in...Read More

B
Findlay, OH | July 2007 | positive

I have enjoyed our pampas grass for 5 years now. In the late summer/early fall a number of small birds enjoy the seeds. It is quite amusi...Read More

L
Richmond Hill, ON (Zone 5b) | May 2007 | positive

Although this is listed as a plant to be grown in zones 7a and higher, we grew this plant in zone 6a (Madison, CT) and it came up healthy...Read More

M
Myrtle Beach, SC | November 2004 | negative

I have NOTHING good to say about this invasive nightmare of a plant. It might be pretty from a distance, but beware that once it is estab...Read More

P
Pflugerville, TX (Zone 8b) | November 2004 | negative

The only thing good I can say about pampas grass is that it looks pretty off in the distance...and the more distance the better....like i...Read More

D
Los Angeles, CA | July 2004 | positive

In its right location, Pampas Grass is a gem. Fortunately I have no allergies. What I like best is the almost magical mime the plumes i...Read More

D
Sanger, TX | May 2004 | positive

I planted one in my back yard in Grapevine, Texas about 4 years ago. I have a sprinkler system. It is now HUGE and beautiful, but you n...Read More

C
Wetumpka, AL (Zone 8a) | August 2003 | positive

Our plant was crowded last year and looked pitiful. We moved it this spring and it is 5 x bigger than last year. It needs lots of sun a...Read More

S
Old Town, FL | August 2003 | neutral

Pampas grass is attractive, but it can be problematic to allergy sufferers, like my Father. He had to vitrually lock himself indoors in ...Read More

L
Jeffersonville, IN (Zone 6a) | August 2003 | positive

A real specimin plant. Give it some room--it may have a spread of 6'! Cut back to the ground in early spring.

T
T
Jacksonville, TX (Zone 8b) | August 2001 | neutral

Pampas grass is not fussy about soil or climate- it will flourish in any garden. Established, it can reach 20 feet tall. Each plant is a ...Read More

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