This plant can form dense mats on the surface of lakes and ponds, adversely affecting water quality, impeding navigation, and clogging ir...Read Morerigation pumps. It is easily spread on boat hulls and other recreational equipment.
Six states have prohibited the sale and cultivation of this invasive aquatic species. Its sale is also prohibited in the UK.
According to BONAP, it has naturalized in 30 states, including northern Idaho and western Montana. Clearly it is hardier than indicated above.
It's important to distinguish this species from Myriophyllum heterophyllum, which is native to much of N. America, though also invasive outside its native range.
Love my parrot feather; my pond is small enough that I can pull it out by the handfuls mid summer when it is spreading too much. Before ...Read Moremy pond was deep enough to stick a parrot feather root in the flower pot with the water lily 3' below the surface, I used to winter it over indoors in a large flower pot filled with water, a couple of baby goldfish, and just a handful of mud in the bottom of the pot. By spring, it would be spindly, but I'd just throw it back in the pond and it spread again every year!
A problem anywhere other than controlled in a home pond. DO NOT let it get out into waterways. This is like the water hyacith. Lovely on...Read Morely when it's controlled. Very easy to grow. In my pond, it has overwintered with NO protection for 4 years
Josephine, Arlington, TX (Zone 8a) | December 2006 | negative
Parrot Feather, Parrotfeather Water Milfoil Myriophyllum aquaticum is naturalized in Texas an other States and is considered an invasive...Read More noxious plant. It is prohibited in Texas.
I've had it winter over here in zone 6A as long as the roots were tucked in mud. I used to just let it float but noticed it does much be...Read Moretter if planted. I planted some in a new lotus pool last summer and it went bonkers, sprawling way out beyond the edges of the pool. Any part that was out of the water is now mush.
Cincinnati, OH (Zone 6b) | February 2005 | positive
I'm not so sure of the Zone classification.
I have it growing in a barrel outdoors.
It is growing quite well after being to...Read Moretally frozen in the ice.
It maybe needs a Zone 5 or 6 classification at least.
FYI: This plant is a Class A Noxious Weed in the state of Vermont. Its movement, importation, sale, possession, cultivation and/or dist...Read Morerbution is prohibited with fines upto $1000.00 possible
I just love this plant! It floats around under the surface, feathery "heads" sticking up above the water. Have you ever tried pulling o...Read Morene of the "heads" below water? They don't get wet, but just kind of close up with silvery air bubbles trapped between the fronds. Neat!
These also normally close up at night. Interesting.
This is a great plant. It keeps my pond naturally filtered. My gold fish breed in it. It grows very well in Florida. I've shared with...Read More lots of pond owners.
This plant can form dense mats on the surface of lakes and ponds, adversely affecting water quality, impeding navigation, and clogging ir...Read More
Love my parrot feather; my pond is small enough that I can pull it out by the handfuls mid summer when it is spreading too much. Before ...Read More
A problem anywhere other than controlled in a home pond. DO NOT let it get out into waterways. This is like the water hyacith. Lovely on...Read More
Parrot Feather, Parrotfeather Water Milfoil Myriophyllum aquaticum is naturalized in Texas an other States and is considered an invasive...Read More
I've had it winter over here in zone 6A as long as the roots were tucked in mud. I used to just let it float but noticed it does much be...Read More
I'm not so sure of the Zone classification.
I have it growing in a barrel outdoors.
It is growing quite well after being to...Read More
FYI: This plant is a Class A Noxious Weed in the state of Vermont. Its movement, importation, sale, possession, cultivation and/or dist...Read More
I just love this plant! It floats around under the surface, feathery "heads" sticking up above the water. Have you ever tried pulling o...Read More
This is a great plant. It keeps my pond naturally filtered. My gold fish breed in it. It grows very well in Florida. I've shared with...Read More