Lonicera caerulea Boreal Beauty - Honeyberry
Lonicera caerulea Boreal Beauty - Honeyberry
Lonicera caerulea Boreal Beauty - Honeyberry
Lonicera caerulea var. kamtschatica Boreal Beauty
Blue Honeysuckle, Honeyberry, Sweetberry Honeysuckle, Haskap
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Christophe, 15/11/2025
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Description
Lonicera caerulea 'Boreal Beauty' is a shrub honeysuckle that produces delicious blue coloured berries reminiscent of blueberries. Upright and productive, it can easily be incorporated into a small hedge or planted along the edge of your orchard to enjoy its vitamin-rich fruits in early summer. It prefers a moist, acidic to neutral soil.
Originally from the cold regions of the Far East, from Siberia to Japan, the blue honeysuckle is an extremely hardy small shrub that can withstand temperatures below -30°C (-22 °F). Just like its climbing realtives, it belongs to the Caprifoliaceae family. The small oval leaves, arranged in an opposite pattern on the branches, start off as tender green and then turn slightly grey-green. The cinnamon-brown bark becomes highly decorative after a few years. In early spring, elongated green-yellowish flowers appear, resembling those of the climbing honeysuckles but in miniature. A few weeks later, between May and July, the flowers give way to succulent blue berries with a powdery bloom, tasting somewhat like American blueberries. These fruits are very rich in vitamins B and C, as well as antioxidants, and can be used fresh, in jams, and in sweet preparations...
The 'Boreal Beauty' variety, bred in Canada in 2018, stands out for its late harvest, taking place between late June and July, which extends the "Sweetberry" season (see other varieties). The fruits are quite elongated, medium to large in size, and weigh on average between 2 and 3.5 g. They are firm and very easy to pick as they do not fall off the plant by themselves. The bush is upright, vigorous, and resistant to powdery mildew. It reaches a height of about 1.80 m (5 ft 11 in) and a width of 1.20 m (3 ft 11 in), with relatively fast growth.
Very robust, Lonicera caerulea 'Boreal Beauty' is undemanding: it can tolerate most soils as long as they are neither chalky nor too dry. However, a humus-rich, and well-draining soil will promote a significant and regular harvest, as well as high-quality fruits. Planting several staggered varieties will improve cross-pollination and maximize yield over a long period (see other varieties). The young shoots are highly resistant to late frosts, which is an advantageous when planting in cold climates. You can incorporate it into a rustic hedge, provided that neighbouring shrubs do not invade it too muc as this would hinder its development and make harvesting difficult. It also grows very well in pots. The annual addition of compost will prove beneficial for this plant, whether planted in the ground or in a pot.
Lonicera caerulea Boreal Beauty - Honeyberry in pictures
Plant habit
Flowering
Foliage
Botanical data
Lonicera
caerulea var. kamtschatica
Boreal Beauty
Caprifoliaceae
Blue Honeysuckle, Honeyberry, Sweetberry Honeysuckle, Haskap
Cultivar or hybrid
Planting and care
Plant Lonicera caerulea preferably in spring in a deep, moist, rich, and moderately well-drained soil, with an optimum pH of 5 to 7, in a sunny location, or slightly shaded in hot climates. It is suited to a wide range of soil textures, ranging from sandy to clay soils, but prefers soils rich in organic matter, which remain moist during the summer. It struggles in shallow and dry soils. Additional compost is necessary at planting and once a year. Water regularly (preferably with non-calcareous water) and mulch the soil to maintain freshness. After three years, prune to balance the branches and remove dead, weak, or diseased wood.
Harvest: The fruits are harvested in late spring, early summer. The berries turn blue and waxy, make sure the flesh is a deep red colour. If it is green, the fruits are not ripe enough. After 2 or 3 years of cultivation under good conditions, you can harvest over 6 kg of berries per bush.
Planting period
Intended location
Care
Planting & care advice
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Hardiness is the lowest winter temperature a plant can endure without suffering serious damage or even dying. However, hardiness is affected by location (a sheltered area, such as a patio), protection (winter cover) and soil type (hardiness is improved by well-drained soil).
In temperate climates, pruning of spring-flowering shrubs (forsythia, spireas, etc.) should be done just after flowering.
Pruning of summer-flowering shrubs (Indian Lilac, Perovskia, etc.) can be done in winter or spring.
In cold regions as well as with frost-sensitive plants, avoid pruning too early when severe frosts may still occur.
The harvesting period indicated on our website applies to countries and regions in USDA zone 8 (France, England, Ireland, the Netherlands).
In colder areas (Scandinavia, Poland, Austria...) fruit and vegetable harvests are likely to be delayed by 3-4 weeks.
In warmer areas (Italy, Spain, Greece, etc.), harvesting will probably take place earlier, depending on weather conditions.
The sowing periods indicated on our website apply to countries and regions within USDA Zone 8 (France, UK, Ireland, Netherlands).
In colder areas (Scandinavia, Poland, Austria...), delay any outdoor sowing by 3-4 weeks, or sow under glass.
In warmer climes (Italy, Spain, Greece, etc.), bring outdoor sowing forward by a few weeks.
The planting period indicated on our website applies to regions in USDA Zone 9a (East Coast and Midlands: Dublin, Wexford, Waterford, Kilkenny, Portlaoise). It will vary depending on where you live:
- On the west coast and in the north-west (Galway, Limerick, Sligo, Donegal, Westport), delay planting by 1 to 2 weeks in spring and bring it forward by 1 to 2 weeks in autumn compared to the dates given, preferably choosing periods without strong winds.
- In the inland hills and plateaus (Wicklow Mountains, Macgillycuddy’s Reeks, Connemara, Killarney), it is best to plant in spring (April–May) or autumn (September–October), avoiding periods of waterlogged soil in winter and strong winds, which pose the main risk to newly planted trees in these areas.
The flowering period indicated on our website applies to regions in USDA Zone 9a, such as the East Coast and Midlands, including Dublin, Wexford, Waterford, Kilkenny and Portlaoise.
This will vary depending on where you live:
- On the west coast and in the northwest (Galway, Limerick, Sligo, Donegal and Westport), it will be delayed by one to two weeks compared to the given dates, due to stronger Atlantic winds and less spring sunshine.
- In the inland hills and plateaus (the Wicklow Mountains, the Macgillycuddy's Reeks, Connemara and Killarney), flowering will be delayed by two to three weeks. Flowering mainly occurs between May and July, with the limiting factors being less frost and more of the excessive humidity, strong winds and lack of sunshine that are characteristic of these areas.
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