Cosmos Container Garden - Suggestions for additional plants please.

Beth G
by Beth G
I was given some seeds for Cosmos (2-3' high) and will be planting them in a large pot. What other flowers/plants are compatible that will balance out the look? I'm thinking snap dragons would be nice, but what about smaller plants and those that would spill over? The area will get about 4 hours of sun a day. Thanks!
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