Aggressive, native groundcover that deer do not like

Asked June 25, 2019, 11:25 AM EDT

I am looking for an aggressive groundcover to outcompete an invasive houtynnia (chameleon plant) in an area of my yard. I cannot afford to dig up the entire area, and have found repeated applications of Roundup as was previously suggested by your office to be ineffective. I want a native plant, that is very deer resistant. Would ostrich ferns or equisetum fit the requirement? The area is a dry, sunny area, that will have limited access to hand watering. Thanks for any help. Sandy Laden

Montgomery County Maryland

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