Cast Iron Plants

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.

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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.

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