Jim, I've tried various forms of O. enneaphylla, laciniata and adenophylla without success. A surprise is in the form of O. rhombifolia (about which I remember very little without looking it up, maybe the name is spelt wrong) which has lovely rich pink flowers over a long period in summer. It creeps around slowly in a sand bed and has been outside for 3 years. Best, J. John T Lonsdale PhD 407 Edgewood Drive, Exton, Pennsylvania 19341, USA Home: 610 594 9232 Cell: 484 678 9856 Fax: 801 327 1266 Visit "Edgewood" - The Lonsdale Garden at http://www.edgewoodgardens.net/ USDA Zone 6b