Hypericum perforatum
True St. John's wort
Common names: Spotted St. John's wort, Hartheu
Photo: Didier Descouens · CC BY-SA 4.0 · Source
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Description
True St. John's wort blooms around St. John's Day at the end of June in bright yellow. Hold a leaf up to the light and you will see the translucent glandular dots that give it its name. It is a robust, winter-hardy perennial suitable for sparse, sunny sites.
Care instructions
Sow it as a light seedling from April in a shallow bed or plant it in a fully sunny, well-drained spot. It tolerates drought and poor soil well and requires little care. Cut back the spent stems in late autumn, then the plant will vigorously regrow in spring.
Soil & site
Soil pH
Soil type
sandy, loamy, well-drained, lean, lime-loving, dry
Feeding
Light feeder
Companion planting
Good neighbors
Companion planting is partly traditional gardening lore. Where the reason is known, it is given.
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