- Medium 1' to 3'
- Part Shade
- Flower Color:
- Bloom Time:
- June, July, August
A botanical giant, ‘Sum and Substance’ averages 30 inches tall by 60 inches wide, sometimes more. Upright, heart-shaped, flat leaves have a glossy chartreuse hue that changes to gold when exposed to more light. Near-white lilac blooms borne on leaning scapes 36 inches long appear from late July through mid-August.
Noteworthy Characteristics: A magnificent specimen plant.
Care: Grow in moist but well-drained, fertile soil. Shade tolerant. Grows best with full morning sun. Tolerates drought, but a summer mulch is beneficial.
Propagation: Divide plants in late summer or early spring.
Problems: Slugs, snails, viruses, foliar nematodes. In containers, watch for vine weevils.