Onosma

Onosma echioides

Physical Characteristics

Onosma echioides is a PERENNIAL growing to 0.3 m (1ft). See above for USDA hardiness. It is hardy to UK zone 7. It is in flower from June to August. The species is hermaphrodite (has both male and female organs) and is pollinated by Insects. Suitable for: light (sandy) and medium (loamy) soils and prefers well-drained soil. Suitable pH: mildly acid, neutral and basic (mildly alkaline) soils. It cannot grow in the shade. It prefers dry or moist soil and can tolerate drought.

Distribution

S. Europe to N. Africa.

Habitats

Cultivated Beds; South Wall. In. West Wall. In.

Edible Uses

None known

Medicinal Uses

Alterative Laxative Poultice Stimulant The leaves are alterative[240]. They are made into a powder and given to children as a purgative[240]. The flowers are used as a cordial and stimulant in the treatment of rheumatism and palpitations of the heart[240]. The root is bruised and used as an external application to skin eruptions[240].

Known Hazards

The bristly stems and leaves can cause a good deal of irritation to the skin[219].