Japanese name: メキシコマンネングサ(メキシコ万年草) Scientific name:Sedum mexicanum
[Overview]
A perennial 10–15 cm tall, found along roadsides and in vacant lots.
The stems branch freely and are erect, creeping slightly along the ground in the lower part.
The leaves are simple and borne in whorls of 4; they are linear-elliptic, 1.3–2 cm long and 0.2–0.3 cm wide, and fleshy.
A cymose inflorescence at the stem tip has horizontally spreading branches bearing 20–40 small, deep yellow, 5-petaled flowers that open in a star shape.
There are 10 stamens, with deep yellow anthers that turn reddish when they split open.
[History]
It takes its name from having been found in Mexico, but its native range is unknown.
It has become naturalized in many parts of Japan.
[Cultivation]
Propagate by division or stem cuttings.
It prefers a sunny, well-drained soil.
For potted plants, in spring and autumn water thoroughly when the soil surface dries; in summer place it where it is out of the rain and water sparingly; in winter rainfall is sufficient.
For plants in the ground, rainfall is sufficient.
Fertilize sparingly, applying a small amount of liquid fertilizer in spring and autumn.
There are no particular pests or diseases.