Lonicera × italica

RHS Plant Profile

Italian honeysuckle

RHS 2002

Synonyms

Lonicera periclymenum 'Belgica' misapplied
Lonicera caprifolium 'Pauciflora'
Lonicera 'American'
Lonicera caprifolium f. pauciflora
Lonicera × americana misapplied

Climber Wall Shrub

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A large, vigorous twining deciduous climber with broadly elliptic leaves. Very fragrant tubular white flowers, soon turning yellow and suffused with purple, are borne in terminal clusters

Position

Full sun, Partial shade

Soil Types

Chalk, Clay, Loam, Sand

Max Height

4-8 metres

Max Spread

1-1.5 metres

Size

Time to Maturity: 5–10 years
Max Spread: 1-1.5 metres
Max Height: 4-8 metres

Growing Conditions

Chalk Clay Loam Sand

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

Position

Full sun Partial shade

Aspect: North–facing or 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): H5

Colour & Scent

Fragrance Flower

Season	Stem	Flower	Foliage	Fruit
Spring
Summer
Autumn
Winter

Botanical Details

Family: Caprifoliaceae
Native to GB/Ireland: No
Foliage: Deciduous
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: Correct

How to Grow

Cultivation

Best in partial shade but tolerates full sun, thrives in any moist but well-drained soil

Propagation

Propagate by layering, hardwood cuttings or semi-hardwood cuttings

Suggested planting locations and garden types

Coastal
Wall side borders

Pruning

Pruning group 11 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)