My mother has these 3 plants, The first 2 are perrenials in the ground and were there when she moved in. She is in eastern PA, zone 6b. The third one is in a pot on her front porch a neighbor had given her. She is clueless as to what they are and so am I. I havent seen the first 2 in bloom, so I dont hve pics of the flowers, but she says they are purple. Sorry no more info than that, but I am hoping you geniuses can get it by the leaves..I have faith in all you experts :)

Perrenial in the ground, gets purple flowers:

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Perrenial in the ground also gets purple flowers:

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Neighbor gave her this, in a pot on her front porch..neighbor told her it was an aluminum plant..but I dont know bout that..

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thank you for all your help!