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Hypericum elodes

bog hypericum

A marsh or submerged, creeping perennial to 15cm tall, with soft, densely woolly grey-green leaves to 1.5cm long. In summer it produces saucer-shaped, bright yellow flowers to 1cm across. Grow in a bog garden or at a pond margin

Other common names
marsh hypericum
marsh St John's wort
Synonyms
Elodes palustris
Hypericum palustre
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Size
Ultimate height
0.1–0.5 metres
Time to ultimate height
1–2 years
Ultimate spread
0.1–0.5 metres
Growing conditions
Loam
Moisture
Poorly–drained
pH
Acid, Alkaline, Neutral
Colour & scent
StemFlowerFoliageFruit
Spring Green
Summer Yellow Green
Autumn Green
Winter
Position
  • Partial shade
Aspect

East–facing or West–facing

Exposure
Sheltered
Hardiness
H5
Botanical details
Family
Hypericaceae
Native to the UK
No
Foliage
Deciduous
Habit
Matforming
Potentially harmful
Fruit are ornamental - not to be eaten. Wear gloves and other protective equipment when handling
Genus

Hypericum can be annuals, perennials, shrubs or trees, evergreen or deciduous, with usually paired leaves and showy yellow flowers with prominent stamens, followed by capsules, occasionally berry-like

Name status

Correct

Plant range
W Europe

How to grow

Cultivation

Grow at the shallow margins of a muddy-bottomed pool, in dappled shade. See pond plants and bog gardens for further advice

Propagation

Propagate by division in spring

Suggested planting locations and garden types
Pruning

No pruning required

Pests

Generally pest-free

Diseases

May be susceptible to a rust and honey fungus (rarely)

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