Native Region: China, North Korea
Zone Range: 03-08
Preferred Climate: Temperate
Harvest Date: Sunday 22 October, 2017
Seed count: 20-25
Clump-forming perennial with heart-shaped glossy green wide-veined leaves with somewhat wavy margins; produces tubular deep-purple flowers in late summer
Sow seed in early to mid-spring into pots using peat or peat substitute. Cover with perlite and place in a cold frame. Germination takes 1-3 months.
Grow in moist, fertile well-drained soil in part sun (morning sun is best); mulch in summer.