Rudbeckia -- Annual or Perennial? - Knowledgebase Question

Findlay, OH
Question by Grohoske
August 23, 1998
I live in Zone 5 and want to know if 'Indian Summer' rudbeckia is a perennial or not. I've found seed packets that say it's an annual and some that say it's a perennial.

Answer from NGA
August 23, 1998


Indian Summer rudbeckia (Rudbeckia hirta) will bloom all summer if you keep the spent blooms removed. It is generally treated as an annual in zones 4-9 (this is where the confusion lies -- most other Rudbeckia's are perennial in these zones.) You can expect that it won't come back the following spring -- and if it does, you can be pleasantly surprised.

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