hanging basket
US /ˈhæŋ.ɪŋ ˌbæs.kɪt/
UK /ˈhæŋ.ɪŋ ˌbæs.kɪt/

1.
a basket, typically made of wire or plastic, that is hung up and contains plants, especially flowers, that trail over the sides
:
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She bought a beautiful hanging basket filled with petunias for her porch.
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The town square was decorated with numerous colourful hanging baskets.