'Obsidian' is a compact, mound-forming perennial, spreading to 40cm, with distinctive lobed, glossy leaves, reddish-black in spring, darkening to near-black as they mature. Racemes of small creamy flowers are borne above the leaves in summer on dark reddish stems, usually 25-40cm, sometimes taller
Position - Full sun, Partial shade
Growing conditions - Sand, Loam
Moisture - Moist but well–drained
pH - Neutral
Aspect - West–facing or South–facing or East–facing or North Facing
Exposure - Exposed or Sheltered