If you ’re wondering just how invasive a specific cultivar of miscanthus ( Miscanthus sinensisand cvs . , USDA Hardiness Zones 4–8 ) might be , a good indicator is the bit of viable source a give way plant grow in the test comport at the Chicago Botanic Garden in 2010 . We found that many cultivars touted as “ infertile ” were , in fact , not uninspired . And many of the less - prolific cultivars were late inflorescence , indicating that they might not have had a foresightful enough growing season to complete seed output . The following is a listing of our finding .

Bonus content from Richard Hawke ’s article inFine Gardeningissue # 154 : Results from the miscanthus trespassing tryout .

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