Heuchera cylindrica Other Images: Common Name: Roundleaf Alumroot Origin: California and throughout the West Coast Description: Perennial Herb Clumping groundcover with small round leaves. Creamy yellow flowers are born along many 1ft+ tall bloom spikes, attracts hummingbirds. Great for shady rock gardens. Characteristics: Temperature: Hardy to below 0F Sun: Part Shade Water: Drought Tolerant Size: 8-12" Other Images: