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Lonicera crassifolia

Lonicera crassifolia
Karu honeysuckle

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This plant carries a 24 months recovery warranty

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A low-growing, spreading honeysuckle with an attractive evergreen habit, turning bronze to red in winter. Its flowering in summer is melliferous, with pale yellow flowers tinged with pink, giving way to small black-blue berries. Very hardy, this small bush tolerates poor, infertile, and chalky soils.
Flower size
1 cm
Height at maturity
20 cm
Spread at maturity
80 cm
Exposure
Sun, Partial shade
Hardiness
Hardy down to -15°C
Soil moisture
Moist soil
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Best planting time March, October
Recommended planting time February to May, September to November
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Flowering time June to August
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Description

The Lonicera crassifolia is a low, very dense, evergreen bush honeysuckle, coloured bronze to red in winter, which forms an attractive ground cover in all seasons. It is also a valuable plant for greening areas of the garden or where the soil is mediocre and poor, often challenging to develop. Its generous cream-yellow flowering, washed with pink in summer, gives way to numerous blue-black berries that remain until winter. Very hardy, this accommodating little shrub will impact a rockery, as a border plant or even in a container on the terrace.

The Lonicera crassifolia belongs to the Caprifoliaceae family. It is the wild parent of the pretty variety 'Little Honey', better known to gardeners. This small, creeping, compact honeysuckle is very robust and native to the Himalayas. With a prostrate habit, composed of long branches running along the surface of the ground, it reaches about 10 cm in height, and will occupy 50 to 60 cm in width. Its growth is relatively slow, and its vegetation is well-branched. Its dense and bushy habit will be maintained or accentuated by regular pruning. Its small, tough, rounded evergreen leaves are glossy and green until summer. With the arrival of cold weather, they turn bronze, becoming red in colder temperatures. Flowering takes place from June to August, depending on the climate, for approximately one month. The small flowers are produced abundantly. They are tiny honeysuckle flowers, pale yellowish-white to cream, which take on a pink shade at the base over time. The small purple-red fruits, almost black, are toxic to humans but appreciated by birds.

The Lonicera crassifolia combines usefulness with beauty, especially in poor soils. It will elegantly cover the ground along the edge of a sunny flower bed in a rockery and dress up pretty pots for the terrace. It has only one requirement: well-drained soil, but not too dry in summer. It can be planted on a large slope as ground cover at a rate of 1 to 2 plants per square metre. For example, pair it with a dwarf conifer like the Juniperus horizontalis 'Blue Chip', a dwarf Holly Ilex meserveae 'Little Rascal', a variegated Lonicera nitida 'Lemon Beauty' ... and play with contrasts to brighten up an area of the garden. It is also an adorable little plant, slightly climbing, dense and finely textured, which adheres to cracks and crevices.

Lonicera crassifolia in pictures

Lonicera crassifolia  (Foliage) Foliage

Plant habit

Height at maturity 20 cm
Spread at maturity 80 cm
Habit creeping
Growth rate normal

Flowering

Flower colour yellow
Flowering time June to August
Flower size 1 cm
Bee-friendly Attracts pollinators
Fruit colour black

Foliage

Foliage persistence Evergreen
Foliage colour green

Botanical data

Genus

Lonicera

Species

crassifolia

Family

Caprifoliaceae

Other common names

Karu honeysuckle

Origin

Himalayas

Planting and care

Plant the Lonicera crassifolia in very well-drained soil, even poor and chalky, not too dry in summer, partial shade or sun. It will also grow in shade, but it will flower less, and the beautiful winter colours of its foliage will be less intense. Prune regularly during growth to maintain a fairly dense habit and later on to accentuate a shape, whether it be in a border, in a pot, or to remove dead parts.

Planting period

Best planting time March, October
Recommended planting time February to May, September to November

Intended location

Suitable for Meadow, Rockery, Woodland edge
Type of use Edge of border, Container, Slope
Hardiness Hardy down to -15°C (USDA zone 7b) Show map
Ease of cultivation Amateur
Planting density 3 per m2
Exposure Sun, Partial shade
Soil pH Any
Soil type Chalky (poor, alkaline and well-drained), Silty-loamy (rich and light), Stony (poor and well-drained)
Soil moisture Moist soil, Any drained soil

Care

Pruning instructions Remember to prune sparingly in February-March to accentuate the plant's compact habit.
Pruning Pruning recommended once a year
Pruning time February to March
Soil moisture Moist soil
Disease resistance Very good
Overwinter Can be left in the ground

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