Caesar Weed is a noxious, invasive exotic. I would not give this to my worst enemy. We recently bought a 13 acre farm which is absolut...Read Moreely covered by this weed. It thrives in full sun to moderate shade, grows up to 7 feet tall, and is covered from top to bottom with burrs. If you want 50 seeds, just walk past a plant. They grow so densely that they choke out native plants on the ground. It's probably an annual in colder climates, but here in central Florida the root persists and will grow a new stalk if mowed. It also shows some resistance to 2,4,D herbicide, where the root will survive spray concentrations strong enough to kill the stalk. Mature plants that have been in place for a couple years have a strong, somewhat laterally growing taproot which can be quite hard to pull even out of sandy soil. The high number of seeds produced by each plant makes this one very hard to eradicate. If you have this plant and like it, I respectfully suggest that you may have misidentified what you have.
The Florida Exotic Pest Plant Council has now listed this weed as a Category l invasive. That means that it has been proven to alter nati...Read Moreve plant communities by displacing native species, changing community structures or ecological functions, or hybridizing with natives.
It is widely distributed in Florida, with documented populations in Louisiana, Alabama, and South Carolina. (BONAP)
Governments have declared this a noxious weed in Hawaii, Cuba, and Fiji.
This weed is now pan-tropical in its distribution. It is believed to have originated in south Asia or tropical Africa.
Not recommended because of Cat II invasive status. The hooked, 5-lobed seed capsule is easily brushed off and transported by birds, squir...Read Morerels, pets, gardeners, etc. Germinates in an eyeblink and fruits year-round (even in Winter). Potentially as invasive as Schinus terebinthifolius (Brazilian Pepper), although not as aggressively rugged. Height in Zone 9b-10x can reach 10 feet and can self-sow to form a thick hedge. Some anecdotal food, utilitarian and medicinal value, which does not offset its invasive tendencies, IMO. As with S. terebinthifolius, pull and burn, where possible.
This plant is listed as a Category II Invasive Plant by the Florida Exotic Pest Plant Council. This listing is for the entire state of F...Read Morelorida. It should be listed for 8b and 9a.
A weed in my garden, but pretty easy to control. Seedings recognizable by the unique leaf shape, and plant easy to pull up even when mat...Read Moreure. The flowers are too small to be of ornamental value, even though attractive up-close.
Caesar Weed is a noxious, invasive exotic. I would not give this to my worst enemy. We recently bought a 13 acre farm which is absolut...Read More
The Florida Exotic Pest Plant Council has now listed this weed as a Category l invasive. That means that it has been proven to alter nati...Read More
It is pretty. I have no trouble in getting rid of any stands of it that become problematic. Just a wildflower.
This weed also found in Lake County Florida
Not recommended because of Cat II invasive status. The hooked, 5-lobed seed capsule is easily brushed off and transported by birds, squir...Read More
This plant is listed as a Category II Invasive Plant by the Florida Exotic Pest Plant Council. This listing is for the entire state of F...Read More
A weed in my garden, but pretty easy to control. Seedings recognizable by the unique leaf shape, and plant easy to pull up even when mat...Read More