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Hypericum calycinum

Rose of Sharon

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Key information

Plant type

Deciduous shrub

Flower colour

Yellow

Feature

Flowers

Hardiness

Hardy

Skill level

Beginner

photo by S & O, copyright GAP Photos (62442)

Plant details

One of the best hypericums for ground cover, even on dry shaded banks, Rose of Sharon is a Bulgarian species which is easily naturalised in difficult sites and may eventually need control by chopping around plants with a spade to halt the creeping stems. It is a valuable and robust shrub with all-year interest and a long season of bloom, the large bright yellow star-shaped flowers with prominent red-tipped anthers making a sunny display for 4 months. Annually cutting stems to the ground reduces the risk of rust and improves flowering.

Family: Clusiaceae

Genus: Hypericum

Species: calycinum

Plant type: Deciduous shrub

Flower colour: Yellow

Foliage colour: Mid-green

Feature: Flowers

Sun exposure: Full sun, Partial shade

Soil: Well-drained/light, Acidic, Chalky/alkaline, Moist

Hardiness: Hardy

Skill level: Beginner

Height: 60cm

Spread: 150cm

Time to plant seeds: September to November

Time to divide plants: September to May


Reader reviews

sonianorman

I have a dry shady bank between the side of the house which faces north west and a large shrubbery,therefor gets only late afternoon sun. I thought I would plant some Hypericum 'Rose of Sharon' as I can't think of many plants which would give a show for most of the summer in that situation. The weeds seem to flourish there very well but hopefully this Hypericum will give them a hard time!


Chromebaby

At last! I now know what that large shrub is in the garden. Hypericum calycinum. I've not seen it mentioned anywhere that bees go mad for the flowers so it's an important shrub for them. Also the leaves have a most refreshing scent when lightly squeezed. The seed heads are interesting too.

I didn't know it needed pruning to the ground though.

Thanks.


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