Perennials - Achillea spp.
There are many species and hybrids of Achillea used in gardens, and all are tough, drought tolerant and consistently attractive with their ferny foliage and bright flowers. USDA Hardiness Zone 3 to 9 Achillea spp. gold, white, pink, cerise red 24 ... [... more] NC State University Coop Extension
Perennials - Aconitum spp.
Monkshood is poisonous, with a narcotic juice present in the leaves and roots. Do not plant near the vegetable garden, where its fleshy roots could be mistaken for Jerusalem artichokes. USDA Hardiness Zone 3 to 7 Aconitum spp. division of clumps ... [... more] NC State University Coop Extension
