Foamflower: A Lush, Deer-Resistant Ground Cover for Shade

Need a dense, attractive ground cover for shady spots? Foamflower (Tiarella cordifolia) fits the bill perfectly. This Mid-Atlantic native offers evergreen foliage (except in harshest winters) and airy white to pink mid-spring blooms that brighten dim areas. Numerous cultivars provide varied leaf patterns and colors, and because deer and rabbits avoid it, the foliage persists all season.

Plant Profile

• Botanical name: Tiarella cordifolia
• Common names: Foamflower, heartleaf foamflower, false miterwort
• Origin: New Brunswick, Canada, south to Georgia, west to Michigan
• Hardiness: USDA zones 4–9 (–30°F)
• Water: Medium to moist soil
• Light: Partial to full shade
• Mature size: 8–15 inches tall, 12–24 inches wide; some selections spread aggressively
• Benefits: Semi-evergreen to evergreen; excellent ground cover; deer/rabbit resistant; few pests (occasionally black vine weevils)
• Seasonal interest: White to pink flowers in mid-spring; interesting foliage 9–12 months
• When to plant: Potted stock spring through fall with adequate moisture; fresh seed best planted immediately or kept cool/moist for fall

Distinguishing Traits

Plants form mounds of maple-shaped, deeply veined leaves with three to five lobes, giving a coarse texture. Two varieties exist: clump-forming var. collina (often sold as T. wherryi) and running foamflower var. cordifolia, which sends out stolons to create new plants.

Spring brings spikes of white to pinkish flowers with protruding stamens that create a frothy, foam-like appearance. Cultivars like ‘Oakleaf’ offer clumping habits, while breeding programs have produced selections with striking vein coloration (e.g., ‘Mystic Mist’) and deeply lobed leaves (e.g., ‘Iron Butterfly’, a hybrid with Pacific Northwest T. trifoliata).

How to Use It

Foamflower excels in woodland compositions alongside cinnamon fern, wild bleeding heart, sweet woodruff, inkberry holly, Solomon’s seal, green and gold, and creeping phlox. It also thrives in containers—clumping, colorful-leaf forms work well as fillers if soil moisture is maintained.

Planting Notes

Prefers rich, moist, well-drained soil but tolerates poorer conditions. Partial to full shade is ideal; in sunnier spots, increase moisture to prevent leaf scorch. Conversely, it handles some dryness in deeper shade.

When selecting a variety, consider growth habit: runners (‘Running Tapestry’, ‘Dark Eyes’) vs. clumpers (‘Brandywine’, ‘Elizabeth Oliver’, ‘Spring Symphony’, var. collina). Available at garden centers, online, and native-plant nurseries.

More: Houzz guides to gardening with native plants | Set Your Shade Garden Aglow With Light