Japanese name: ポリゴヌム ミクロケファルム Scientific name:Polygonum microcephalum
[Overview]
A perennial 40–60 cm tall.
The stems branch.
The leaves are simple and alternate, ovate to triangular-ovate, 6–10 cm long and 2–4 cm wide, with entire margins.
Short racemes forming balls are produced at the stem tips.
There is no corolla; the white to pale pink calyx is conspicuous.
The fruit is an achene.
[Cultivation]
Propagate by shoot cuttings or division.
As long as the site is sunny and well drained, it is not particular about soil.
It grows well even if left alone.
For potted plants, water thoroughly when the soil surface dries; for plants in the ground, rainfall is sufficient.
Applying slow-release fertilizer as a base fertilizer is enough.
There are no particular pests or diseases.