1. Feverfew (Tanacetum parthenium , Zones 4-9) 2. Cordyline (Cordyline australis cv. , Zones 10-11) 3. Drumstick allium (Allium sphaerocephalon , Zones 4-11) 4. Miss Willmott's ghost (Eryngium giganteum , Zones 4-9) 5. Purple coneflower (Echinacea purpurea , Zones 3-9) 6. 'Plum Pudding' heuchera (Heuchera 'Plum Pudding' , Zones 4-9) 7. Golden spirea (Spiraea thunbergii 'Ogon', Zones 5-8) Read more: http://www.finegardening.com/building-better-borders#ixzz4DiW05Mmd Follow us: @finegard