St John’s Wort

Hypericum perforatum

Perforate St John's Wort, Cammock, Common St John's Wort, Devil Chaser, Devil's Flight, Devil's Scourge, God's Wonder Plant, Herb John, Human Blood, Klamath Weed, Penny John, Rosin Rose, St Columba's Flower, St. John's Wort, Tiptonweed, Goatweed, Racecourseweed

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A flowering plant and a medicinal herb. A traditional flowering plant that is harvested on St John's Day, 24th June. The genus name 'Hypericum' is derived from the Greek words 'hyper' and 'eikon', in reference to the tradition of hanging plants over religious icons in the home during St John's Day, to ward off evil.
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Planning

Difficulty

Moderate

Flowering time

Spring, Summer

Fruiting time

Autumn

Harvesting

Not usually harvested, unless for medicine. Pick as needed.

Propagation

Seed

Plant seeds in potting soil covered in a light layer of soil. Mist your seeds lightly and be careful not to over-water.

Division

Carefully take divisions when plant is mature with full developed rhizome roots.

Cuttings

Take softwood cuttings during growing season.

Special features

Attracts useful insects

Bumblebees, Syrphid flies and beetles may feed on the pollen although they are less effective at pollination. Wasps and butterflies seeking for nectar which the flowers don't produce.

Special features

Origin

Europe and Asia

Natural climate

Temperate

Environment

Light

Full Sun, Partial Shade, Partial Sun

Soil moisture

Moist

Soil type

Chalk, Clay, Loam, Sand

Soil PH preference

Acid, Alkaline, Neutral

Frost hardiness

Hardy

Uses

Medicinal

Medicinal herb with antidepressant activity and anti-inflammatory properties as an arachidonate 5-lipoxygenase inhibitor and COX-1 inhibitor.

Ornamental

Often grown as a garden specimen in borders.

Personality

Family

Hypericaceae

Flower colour

Yellow

Scent

Mild

Problems

Problem free
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Knowledge and advice

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