By Chris Daniel Dawson
1. Heuchera micrantha 'Palace Purple' (coral bells) USDA hardiness zone 4-9
2. Geranium × cantabrigiense 'Karmina' (hardy geranium) USDA hardiness zone 5-8
3. Buxus sinica 'Winter Gem' (Korean boxwood) USDA hardiness zone 5-9
4. Akebia quinata (five-leaf akebia vine) USDA hardiness zone 4-8
5. Betula populifolia 'Whitespire' (white birch) USDA hardiness zone 3-7
6. Pinus nigra (Austrian pine) USDA hardiness zone 4-7
7. Betula nigra (river birch) USDA hardiness zone 4-9
8. Iris germanica (bearded iris) USDA hardiness zone 3-10
9. Phlox paniculata 'David' (garden phlox) USDA hardiness zone 4-8