Obsidian Coral Bells is an evergreen herbaceous perennial with a clumping habit. The large, lobed rounded leaves that create a basal mound are dark purple to near black all season. Tiny creamy white bell-like flowers bloom on spikes in summer attracting butterflies. Best bloom in partial sun and moist well-drained soils.
|
Type:
|
Perennial
|
|
Origins:
|
NA Native Hybrid
|
|
Height:
|
1' - 2'
|
|
Spread:
|
0.5' - 1.5’
|
|
Spacing:
|
1’
|
|
USDA Hardiness Zone:
|
4 - 9
|
|
Culture:
|
Full Sun, Part Sun
|
|
Bloom Color:
|
White
|
|
Season of Interest:
|
Summer, Year-Round
|
MAINTENANCE NEEDS: Low maintenance. Potential issues include powdery mildew, rust, leaf spot, and frost heaving of roots if winter temperatures fluctuate widely. Will grow slowly in heavy shade.
LANDSCAPE USES: Accents or Group Plantings, Borders, Woodland Gardens, Naturalized Areas, Native Gardens, Rock Gardens, and Containers.
COMPANION PLANTS: Painted Fern, Hosta, Astilbe
IMAGES: Photo by David J. Stang, Heuchera Obsidian 1zz, CC BY-SA 4.0, (2) Photo(s) courtesy of TERRA NOVA® Nurseries, Inc., Heuchera 'Obsidian'
*As plants have ranges in appearance they may not appear as the images shown
