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kandota

purple dome aster

kandota
10 years ago

I just returned from the Minnesota Landscape Arboretum. All of their purple dome asters are blooming and gorgeous, and 12 - 15 inches tall. What am I doing wrong? mine grow to be 40 inches and flop in the rain. I've tried the cut-back routine, but they grow just as tall. About ready to give up on them, but the beauty I saw today gives me pause.

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