[5] Flowers grow from the center of the leaf midribs, taking the shape of a simple umbel inflorescence.

The female plant has a short pedicel and one pistil, with 3–5 stigma branches and an inferior ovary that has 3–5 ovules, but no stamens.

[1] They can be grown in places that are moist with good drainage, such as in partially shaded areas.

Mature seed can be collected from fruit be put to storage or sowed after being rinsed and left to dry.

[5] Helwingia japonica is found in moist rich soil in forests and thickets in hills and low mountains at elevations of 100–3,400 metres (330–11,150 ft) meters in Japan, Bhutan, South Korea, Myanmar, and in multiple Chinese provinces.