10. June 2008, The Institute of Botany, Prague-Pruhonice, Czech Republic, zone 6. This plant is many years old, well settled and though it is not as vigorous as I would expect it to be. It seems not to be as hardy as it should be.
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10. June 2008, The Institute of Botany, Prague-Pruhonice, Czech Republic, zone 6. This plant is many years old, well settled and though it is not as vigorous as I would expect it to be. It seems not to be as hardy as it should be.