1. Persicaria (Persicaria sp. , Zones 3-8) 2. Golden Japanese barberry ( Berberis thunbergii 'Aurea', Zones 5-8) 3. Euphorbia (Euphorbia sp. , Zones 4-11) 4. Golden spirea (Spiraea thunbergii 'Ogon', Zones 5-8) 5. 'Blue Arrow' juniper (Juniperus virginiana 'Blue Arrow', Zones 3-9) 6. Queen Anne's lace (Daucus carota , Zones 3-9) 7. Daylily (Hemerocallis cv. , Zones 3-10) Read more: http://www.finegardening.com/building-better-borders#ixzz4DiUPOOPI Follow us: @finegardening on Twitter