Plant Type: Perennial ground coverKey Characteristics
Foliage: Deep, glossy dark purple-black scalloped leaves; striking year-round colour
Flowers: Dense spikes of true blue blooms in late spring to early summer
Size: Height 8–25 cm (3–10 in); Spread 25–36 cm (10–14 in)
Habit: Low, spreading, fast‑growing; forms dense mats via underground stems
Container Role: Spiller (ideal for pots, combinations, hanging baskets)
Growing Conditions
Light: Full sun to full shade (tolerates all light levels)
Hardiness Zones: 4a–10a
Water: Average needs; drought tolerant once established
Heat Tolerant: Yes
Maintenance: Very easy
Deer Resistant: Yes
Uses
Groundcover for beds, borders, under shrubs
Patio containers, mixed planters, combos
Striking accent with white, gold, or light‑foliage plants