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Shrubs

Hypericum × inodorum 'Elstead'

St John's wort 'Elstead'

A semi-evergreen or deciduous shrub to 1.2m tall, with broadly ovate, aromatic, dark green leaves, and bearing clusters of star-shaped yellow flowers from midsummer to autumn, followed by large, showy dark red fruits flushed pinkish-red on ripening

Synonyms

Hypericum elatum 'Elstead'

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Ultimate height

1–1.5 metres

Time to ultimate height

5–10 years

Ultimate spread

1–1.5 metres

Chalk

Clay

Loam

Sand

Moisture

Moist but well–drained, Well–drained

pH

Acid, Alkaline, Neutral

	Stem	Flower	Foliage	Fruit
Spring
Summer
Autumn
Winter

Full sun
Partial shade

Aspect

West–facing or South–facing or East–facing

Exposure

Exposed or Sheltered

Hardiness
Hardiness ratings
All ratings refer to the UK growing conditions unless otherwise stated. Minimum temperature ranges (in degrees C) are shown in brackets
H1a: under glass all year (>15C)
H1b: can be grown outside in the summer (10 - 15)
H1c: can be grown outside in the summer (5 - 10)
H2: tolerant of low temperatures, but not surviving being frozen (1 to 5)
H3: hardy in coastal and relatively mild parts of the UK (-5 to 1)
H4: hardy through most of the UK (-10 to -5)
H5: hardy in most places throughout the UK even in severe winters (-15 to -10)
H6: hardy in all of UK and northern Europe (-20 to -15)
H7: hardy in the severest European continental climates (< -20)

Botanical details

Family: Hypericaceae
Native to GB / Ireland: No
Foliage: Semi evergreen
Habit: Bushy
Potentially harmful: Fruit are ornamental - not to be eaten. Wear gloves and other protective equipment when handling. Pets: Fruit are ornamental - not to be eaten - see the HTA guide to potentially harmful plants for further information and useful contact numbers
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: Accepted

How to grow

Cultivation

Grows well in moist but well-drained soil in sun or partial shade

Propagation

Propagate by semi-hardwood cuttings in summer

Suggested planting locations and garden types

Cottage and informal garden
Low Maintenance
Banks and slopes
Flower borders and beds
Ground cover

Pruning

Pruning group 1 or pruning group 6

Pests

Generally pest-free

Diseases

May be susceptible to a rust

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