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Agastache foeniculum vs. Agastache rugosa #805553

Asked August 10, 2022, 7:55 AM EDT

Hello Master Gardener! I bought what is labeled as agastache foeniculum from Bachman's and Minnesota Native Landscapes. The two look a little different, and a friend told me that A. foeniculum and A. rugosa are often mixed up. Can you help me identify which is which? Let me know if you have questions or need more information. Thank you!

Hennepin County Minnesota

Expert Response

This is a close call and the photos don't provide enough detail to  provide a reliable answer to your question.

The following publication may help you sort this out:

https://bigriverbigwoods.org/wp-content/uploads/2019/03/ThreeProblemSpecies_v3.pdf
An Ask Extension Expert Replied August 10, 2022, 8:31 AM EDT

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