St. Andrews Cross

Hypericum hypericoides

Physical Characteristics

Hypericum hypericoides is a deciduous Shrub growing to 1.2 m (4ft). See above for USDA hardiness. It is hardy to UK zone 6. It is in flower from July to September. The species is hermaphrodite (has both male and female organs) and is pollinated by Insects. The plant is self-fertile. Suitable for: light (sandy) and medium (loamy) soils and prefers well-drained soil. Suitable pH: mildly acid, neutral and basic (mildly alkaline) soils. It can grow in semi-shade (light woodland) or no shade. It prefers dry or moist soil.

Distribution

Eastern N. America - Massachusetts to Florida, west to Texas and Illinois.

Habitats

Woodland Garden Sunny Edge;

Edible Uses

None known

Medicinal Uses

Antidote Kidney Lithontripic Lithontripic[61]. The root was chewed as an antidote to rattlesnake bites[207, 222]. A tea made from the roots is used in the treatment of colic, fevers, pain, diarrhoea etc[222]. It is applied externally to ulcerated breasts[222]. A tea made from the leaves is used in the treatment of kidney and bladder ailments, skin problems and children's diarrhoea[61, 222]. A milky substance obtained from the plant has been rubbed on sores[257].

Known Hazards

Contact with the sap can cause photosensitivity in sensitive people[222].