Hypericum × inodorum Magical Royal Princess ('Kolmaprince') (Magical Series)

Synonyms

Hypericum × inodorum 'Kolmaprince'

Shrubs

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A compact, rounded, bushy shrub to around 90cm in height, with semi-evergreen dark green oval-shaped foliage. Branched, bright yellow flowers with prominent yellow stamens appear in mid to late summer, followed by long-lasting pink, orange or coral fruits. Often used as a cut flower in bouquets

Position

Full sun, Partial shade

Soil Types

Chalk, Clay, Loam, Sand

Size

Time to Maturity: 2–5 years

Growing Conditions

Chalk Clay Loam Sand

Moisture: Moist but well–drained or Well–drained
pH: Acid or Alkaline or Neutral

Position

Full sun Partial shade

Aspect: East–facing or North–facing or South–facing or West–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): H5

Colour & Scent

Season	Stem	Flower	Foliage	Fruit
Spring
Summer
Autumn
Winter

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: Trade

How to Grow

Cultivation

Grow in moderately fertile, moist but well-drained soil in sun or partial shade

Propagation

Propagate from semi-ripe cuttings in summer

Suggested planting locations and garden types

City and courtyard gardens
Cottage and informal garden
Patio and container plants
Low Maintenance
Banks and slopes
Cut flowers
Flower borders and beds

Pruning

Pruning group 1, or pruning group 6

Pests

Generally pest-free

Diseases

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