number : 5 tot 7 per m2
- little groups of 3 to 10 plants (B) - groups of 10 to 20 plants, even more (C)
Plant description
Ceratostigma willmottianum or Chinese lead herb easily reaches 80cm in height and is a cross between C. plumbaginoides and C. griffithii.
Can best be covered in winter. The plant grows like a dwarf shrub with woody parts, but usually disappears completely.
The new shoots that carry the flowers.