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Achillea 'Hannelore Pahl' does not set seed because it has sterile flowers. Because of that it will also flower over a long season. A. 'H...Read Moreannelore Pahl' is named after the mother of its originator.
Achillea 'Hannelore Pahl' does not set seed because it has sterile flowers. Because of that it will also flower over a long season. A. 'H...Read More