Heuchera villosa 'Blackout' is a refined, dark-leaved coral bells selection that brings dramatic contrast to shade borders and mixed containers. You get a compact, tidy mound that stays in scale with small spaces, edging, and layered plantings, while the glossy near-black foliage makes brighter companions pop.
Plant it in humusy, well-drained soil that stays evenly moist. In cooler climates you can give it more sun, but in warmer areas it appreciates afternoon shade to keep the foliage looking its best. Once established it can handle short dry spells, but you will get the healthiest growth and best color when you water during extended heat and drought.
In summer, slender stems rise above the leaves with airy, light-toned blooms that add movement without hiding the foliage. Pollinators will visit the flowers, and the foliage is typically not a favorite for browsing rabbits. Keep plants mulched in winter where freeze-thaw cycles are common to help prevent heaving, and trim off tired leaves in early spring as new growth emerges.
Use 'Blackout' as a bold accent along paths, in small groups, or massed under open-canopy trees. Pair it with ferns, hostas, hellebores, or gold and silver foliage for a high-contrast look, and give it enough room to fill out to its mature width over time.