Ruta montana is an evergreen Shrub growing to 0.3 m (1ft). It is hardy to zone (UK) 7. It is in leaf all year. The species is hermaphrodite (has both male and female organs) and is pollinated by Insects.
Suitable pH: acid, neutral and basic (alkaline) soils. It can grow in semi-shade (light woodland) or no shade. It prefers dry or moist soil and can tolerate drought.
All parts of this plant are poisonous in large quantities. It should not be used at all by pregnant women since it can induce abortions. The sap contains furanocoumarins, sensitizing the skin to light and causing blistering or dermatitis in sensitive people.
