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Alternanthera Plants

Q.I would like care information about a plant that I don’t know the name of, please.

Zone Smithville, Ga. zone 8 | Cecelia added on August 3, 2019 | Answered

I would like to know the name and information about a plant that dies in the winter and comes back in the spring. The info on the card said ‘tropical plant’. It is burgundy. It has long stems with leaves along the stems.

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Certified GKH Gardening Expert
Answered on August 5, 2019

It appears to be Alternanthera brasiliana. They are not native to the US, and were only introduced to Florida. This is the only place that they can survive comfortably, outdoors.

They are quite invasive, and don't require any special care. Just don't let them get even close to freezing. They are strictly tropical.

Changing the soil once every year, and dividing them out can help keep it alive for longer. Feeding will not be necessary if you change the soil and divide every year, or two.

Outside of that... These invasive plants require very little other care.

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