Hairy Gumweed

Grindelia humilis

Physical Characteristics

Grindelia humilis is a PERENNIAL growing to 1.5 m (5ft). See above for USDA hardiness. It is hardy to UK zone 8. It is in flower from July 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, prefers well-drained soil and can grow in nutritionally poor soil. Suitable pH: mildly acid, neutral and basic (mildly alkaline) soils and can grow in saline soils. It cannot grow in the shade. It prefers dry or moist soil and can tolerate drought.

Distribution

Western N. America.

Habitats

Cultivated Beds;

Edible Uses

None known

Medicinal Uses

Expectorant Homeopathy Sedative Skin The dried leaves and flowering tops are antiasthmatic, expectorant and sedative[4]. The principal use of this herb is in the treatment of bronchial catarrh, especially when there is an asthmatic tendency[4]. The active principle is excreted from the kidneys, and this sometimes produces signs of renal irritation[4]. The plant has been used in the treatment of itching skin eruptions caused by contact with poison oak (Rhus spp.)[257]. A homeopathic remedy is prepared from the leaves and flowering stems[4].

Known Hazards

None known