Auburn, Alabama
Piedmont, Alabama
Tuscaloosa, Alabama
Tuskegee, Alabama
Goodyear, Arizona
Phoenix, Arizona
Cabot, Arkansas
Canoga Park, California
Pittsburg, California
Quartz Hill, California
Sacramento, California
Colorado Springs, Colorado
Harwinton, Connecticut
Bear, Delaware
Deltona, Florida
Old Town, Florida
Sarasota, Florida
Cordele, Georgia
Boise, Idaho
Chillicothe, Illinois
Mapleton, Illinois
Saint Joseph, Illinois
Washington, Illinois
Westchester, Illinois
Indianapolis, Indiana
Nichols, Iowa
Barbourville, Kentucky
Lancaster, Kentucky
Smiths Grove, Kentucky
Abita Springs, Louisiana
Franklin, Louisiana
Pollock, Louisiana
Buckfield, Maine
Pownal, Maine
Brookeville, Maryland
Westminster, Maryland
Nantucket, Massachusetts
Roslindale, Massachusetts
Mason, Michigan
Pinconning, Michigan
Rockford, Michigan
Deer River, Minnesota
Saint Cloud, Minnesota
Madison, Mississippi
Pontotoc, Mississippi
Piedmont, Missouri
Auburn, New Hampshire
Binghamton, New York
Hilton, New York
Port Washington, New York
West Islip, New York
Columbia, North Carolina
Elizabeth City, North Carolina
New Bern, North Carolina
Cincinnati, Ohio
Cleveland, Ohio
West Union, Ohio(2 reports)
Hulbert, Oklahoma
Jay, Oklahoma
Muskogee, Oklahoma
Beaverton, Oregon(12 reports)
Lebanon, Oregon
Portland, Oregon(8 reports)
Sutherlin, Oregon
Pittsburgh, Pennsylvania
Conway, South Carolina
Ladys Island, South Carolina
New Ellenton, South Carolina
North Augusta, South Carolina
Prosperity, South Carolina
Wellford, South Carolina
Murfreesboro, Tennessee
Austin, Texas
Boerne, Texas
Corpus Christi, Texas
Fort Worth, Texas
Santa Fe, Texas
Shepherd, Texas
Spring, Texas
Willis, Texas
Ogden, Utah
South Jordan, Utah
Charlottesville, Virginia
Falls Church, Virginia
Locust Dale, Virginia
Roanoke, Virginia
Virginia Beach, Virginia
Brady, Washington
Montesano, Washington
Ocean Shores, Washington
Stanwood, Washington
Eglon, West Virginia
Middleton, Wisconsin
show all
Good!
So my husband and I moved into our first home a few years ago. The people who lived here before us did not maintain any of the plants or ...Read More
Listed as an invasive species in Wisconsin. On Restricted list.
Perfect in central Arkansas for a ditch that hardly ever dries out completely (48" precip spread over the whole year); basically a mudho...Read More
I have not had a problem with the plant being invasive, maybe because I am above the recommended zones. It hasn't spread for me at all.
This escaped into nearby wetland before Massachusetts banned it as destructively invasive. Knowing what I do now, I would never have pla...Read More
NEGATIVE: I, like an idiot, put this in a small pond in our deck without checking it out first. It has a root mass from Hell and literal...Read More
This was planted by the previous owner around our fish pond. It was not until this, our third year, that it dawned on me how invasive it ...Read More
Very prolific with bright, sunny blooms. Blooms in May-June in my garden.
It is a beautiful, floriferous structural plant in my garden. The conditions for keeping it controlled must be wet, heavy clay soil in z...Read More
This is a non-native invasive species here in Florida. I've just spent an afternoon hacking away at a clump in my small pond. If I wasn't...Read More
I have to give this a negative as well. When we first dug our pond, my aunt gave me some starts. She jokingly told me to just toss them...Read More
I have had this plant in my pond for several years now. I have found it moderatly invasive in that it will jump up on land and spread if...Read More
Noxious Weed Information:
Iris pseudacorus L.
This plant is listed by the U.S. federal government or a state.
...Read More
I've been growing Yellow Flag since around 2000. I've planted it in several areas. The rhizomes grow (multiply) each year and can get t...Read More
Yellow Flag (Iris pseudacorus) is a non-native plant which has escaped cultivation in water gardens and has established itself in local c...Read More
The Yellow iris (Iris pseudacorus) is considered an invasive plant by the Minnesota DNR
"Ecological Threat:
* It compet...Read More
I won't give this plant a negative because it is wild by
nature. It is not a plant you can plunk in the garden and
expect i...Read More
Yellow Flag, Iris pseudacorus, is a Naturalized plant to Texas and other States and is considered invasive in Texas.
My experience with this plant has been positive. I bought it at a nursery about 7 years ago. I have it planted in three areas of my yar...Read More
Yellow iris is a very vigorous plant. It blooms in about May here in Maryland, zone 7b.
I don't really mind it's multiplic...Read More
I didn't realize until I moved to my current location how invasive this stuff can be. There are several locations just within my rural s...Read More
This plant should be contained, but is beautiful. It makes a lot of seeds and has spread around the edges of our lily pond.It does not ...Read More
This plant is considered a noxious weed by many states, including Montana (listed 6/03). If I could attach a photo I would show you how ...Read More
Edgewood, Washington
If ever there was beauty, but obnoxious hiding behind it, it is this plant. It has choked waterways...Read More
The species may be considered a rampant invasive, but there are some nice hybrid cultivars of this plant that will behave in the garden, ...Read More
I have to give this plant a negative because it is so aggressive. It has escaped, and worse released, into areas where it quickly outcom...Read More
I second Baa's comment about it being unsuitable for smaller ponds. We have a mid-size pond (8x12 or so), and a pot of this (inherited w...Read More
Rhizomatous perennial from Europe, North Africa, Asia Minor and Siberia.
A large, vigorous plant which spread indefinitely...Read More