This native plant is named after two polar opposite colored gemstones. "Onyx" refers to its dark foliage and "Pearls" refers to its soft lavender flowers with white interiors. From a distance, the flowers look white!
Perennial | |
Penstemon | |
Beard Tongue | |
Zone 3 | |
6+ hours | |
Loam, Sandy | |
42" | |
38-42" | |
Summer | |
Lavender, White | |
Upright | |
Foliage | |
Yes | |
Yes | |
Yes | |
Yes | |
Yes | |
Echinacea, Achillea, Salvia, Coreopsis |