Jun-Sep, H 16-18", W 16-18", Z 4-9 - (P.P. 28867)-A long-flowering, hardy selection that has overwintered for two years in Minnesota trials. Mounded plants produce an abundance of violet-purple flowers. PP.
Growing Zone: 4 to 9
Light Requirements: Full Sun
Own Root
Height: 1.25 ft to 1.5 ft
