Polygonatum macropodum

Polygonatum macropodum is a perennial plant from northern China. It belongs to the asparagus family, Asparagaceae. Its native range includes Hebei, Liaoning, Shandong and Shanxi. Plants For A Future also lists Inner Mongolia as uncertain. It grows in forests and on slopes with shade. These habitats lie at elevations of 1,310–4,920 feet [400–1,500 metres]. Kew places the species in the temperate climate zone. It is not native to Britain or Ireland.

The plant grows to about 3.3 feet [1 metre] tall. Kew describes it as a rhizomatous geophyte. This means it has rhizomes that grow below ground. It is a perennial rather than an annual plant. The supplied species records give no mature spread. They also lack species-level details about its leaves and stems. Flowers appear in May and June. Each flower has both male and female organs. Bees pollinate the flowers, and the plant is self-fertile. Its seeds ripen in September.

This species suits a garden site with shade and moist soil. Plants For A Future lists both full and partial shade. Its landscape notes favour dappled shade or a woodland edge. Those notes exclude deep shade, unlike the broader growing entry. The plant accepts sandy, loamy and clay soils. It prefers soil that drains well while staying moist. It tolerates mildly acid, neutral and mildly alkaline soil. The source gives no confirmed hardiness rating for this species. Its wider cultivation advice draws on the genus, not this plant alone.

Plants For A Future lists leaves, roots and shoots as edible parts. Its detailed food notes describe cooked young shoots and cooked roots. The shoots can serve in place of asparagus. The roots contain starch. The source gives no preparation method for the leaves. It reports no known toxicity for this species. That does not establish that every part is safe to eat. The root also has recorded medicinal uses. These include uses for rheumatic complaints and as a sedative. Such records do not establish clinical benefit or safe doses.

Propagation options include seed and division. The source recommends sowing fresh seed in early autumn. Seeds may take a long time to germinate. Seedlings can need several years to reach a useful size. Keep young plants in shade during their first greenhouse winter. Divide established plants in March or October.