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HYPERICUM
Commonly known as St. John's wort
Easily-grown plants in sizes for shrub borders to rock gardens and a marginal aquatic.
Used throughout the ages by herbalists.
More than half a dozen natives including H. androsaemum, Sweet amber, the leaves of which were traditionally pressed in family bibles for good fortune.
Genus of more than 400 species of deciduous, evergreen and semi-evergreen shrubs and trees, annuals and herbaceous perennials occurring worldwide in a broad range of habitats, from woodland and scrub to mountain and cliffs.
Plant Details
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Good to know
Name derived from location where it was found Fan Si Pan mountain -
Pests & Diseases
Trouble free -
Place of origin
Vietnam -
Semi-evergreenKeeps some of its foliage all year, and will drop some leaves as well.Underside of leaves purple on young growth
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Yellow
Rich yellow -
Cup-shaped
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Fully hardy
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Entire
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Elliptic
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Ovate
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Height
1m (39in) -
Spread
80cm (32in)
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Medium shrubTypically grow to around 4-6 feet in height
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Hardy - cold winter
Hardy in most places throughout the UK even in severe winters. May not withstand open/exposed sites or central/northern locations. Plant can withstand temperatures down to -15°C (5°F) -
Summer Seasonal Interest
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Mature Size1m (39in)
80cm (32in)
Planting Tips and Care Advice
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Garden Location/Conditions
BorderSuits a herbaceous or mixed borderCoastal / windsweptSlightly back from the sea with more shelterSuitable for small gardens
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Pruning group
Pruning group 4
Suitable for: Deciduous trees and shrubs that flower on current year's growth or are grown for winter stem effect.
Pruning: Hard prune to a low permanent framework.
When: Annually in early Spring.
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Soil Conditions
Fertile moist well-drained soilModerately fertile
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Sun Requirements
Full sun
Shelter from cold, drying winds
Partial shade
