Cast Iron Plants
Q.

how do you kill overgrown Cast Iron Plant

redbettys added on April 30, 2015 | Answered

I have Cast Iron plants outside in Louisiana and they need to be killed off in some areas.

A.
A.Answers to this queston: Add Answer
Downtoearthdigs
Certified GKH Gardening Expert
Answered on May 1, 2015

You can cut the plants off to the soil surface and apply a herbicide directly to the open wounds of the plant. You may need more then one application.
The rhizomes can be dug up, but this can be difficult.

https://www.gardeningknowhow.com/houseplants/cast-iron-plant/cast-iron-plants-information.htm

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