Lonicera japonica 'Red World'

RHS Plant Profile

Japanese honeysuckle 'Red World'

Climber Wall Shrub

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A vigorous, woody, semi-evergreen twining climber about 8-10m tall, with dark green leaves to 8cm long, flushed purple-bronze in winter. Tubular 2-lipped, very fragrant, rich pink flowers with a creamy-white throat are produced in pairs from deep red buds, over a long season from spring to late summer, followed by blue-black berries

Position

Full sun, Partial shade

Soil Types

Chalk, Loam, Sand, Clay

Max Height

8-12 metres

Max Spread

2.5-4 metres

Size

Time to Maturity: 5–10 years
Max Spread: 2.5-4 metres
Max Height: 8-12 metres

Growing Conditions

Chalk Loam Sand Clay

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: 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

Fragrance Flower

Season	Stem	Flower	Foliage	Fruit
Spring
Summer
Autumn
Winter

Botanical Details

Family: Caprifoliaceae
Native to GB/Ireland: No
Foliage: Semi evergreen
Habit: Climbing
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: Lonicera can be deciduous and evergreen shrubs, or climbers with twining stems. The tubular or two-lipped flowers, often very fragrant, are followed by red or black berries
Name Status: Accepted

How to Grow

Cultivation

Vigorous honeysuckle best in partial shade but tolerates full sun, thrives in any moist but well-drained soil. See honeysuckle (climbing) cultivation for further advice

Propagation

Propagate by softwood cuttings, semi-ripe cuttings or layering

Pruning

Pruning group 11. Prune in early spring. You can lightly trim any untidy shoots after flowering

Pests

May be susceptible to honeysuckle aphids, Thrips and glasshouse whitefly

Diseases

May be susceptible to powdery mildews, fungal leaf spot, silver leaf and honey fungus (rarely)