Bigroot Geranium

Geranium macrorrhizum

Physical Characteristics

Geranium macrorrhizum is a PERENNIAL growing to 0.5 m (1ft 8in) by 0.6 m (2ft) at a fast rate. See above for USDA hardiness. It is hardy to UK zone 4 and is not frost tender. 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), medium (loamy) and heavy (clay) soils and prefers well-drained soil. Suitable pH: neutral and basic (mildly alkaline) soils and can grow in very alkaline soils. It can grow in full shade (deep woodland) semi-shade (light woodland) or no shade. It prefers dry or moist soil and can tolerate drought.

Distribution

C. Europe. A garden escape in Britain in S. Devon.

Habitats

Woodland Garden Dappled Shade; Shady Edge; not Deep Shade; Ground Cover;

Edible Uses

None known

Medicinal Uses

Aphrodisiac Aphrodisiac[61].

Known Hazards

None known