Neonotonia — 1 species

Cultivation

Perennial soybean is a native of tropical Africa, where it is found at elevations from sea level up to 2,450 metres. It grows best in areas where annual daytime temperatures are within the range 20 - 30°c, but can tolerate 13 - 32°c. Mature plants can be killed by temperatures of -10°c or lower, but young growth will be severely damaged at -2°c.