Thornless Loganberry - Raspberry-Blackberry
Thornless Loganberry - Raspberry-Blackberry
Thornless Loganberry - Raspberry-Blackberry
Thornless Loganberry - Raspberry-Blackberry
Thornless Loganberry - Raspberry-Blackberry
Thornless Loganberry - Raspberry-Blackberry
Rubus x loganobaccus Loganberry
Loganberry
Plant arrived in good size and condition, transplanted without issues. And now we wait.
Thea, 11/05/2025
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Description
The Thornless Loganberry, also known as the raspberry-blackberry, is a hardy variety, resistant to cold and diseases. It is a climbing perennial plant, almost devoid of thorns, with long flexible branches that grow rapidly. It produces large dark red fruits, turning black when ripe, in July-August. Their taste, a mixture of blackberry and raspberry, is semi-sweet and slightly tart. It has beautiful deciduous foliage, with wavy leaves that are a vibrant green. Very productive, it is self-fertile, very vigorous, and quite hardy. Without a doubt, this little fruit will surprise food lovers.
The Loganberry belongs to the genus Rubus, which is native to the mountains of the Caucasus in Asia Minor. The genus has diversified over time and has given rise to several subgenera, including the raspberry (Rubus idaeus) and the common blackberry (Rubus fruticosus). The Thornless Loganberry is a self-fertile hybrid of a wild blackberry and a raspberry, created by Mr. James Harvey Logan in 1881 in Santa Cruz, California. The Thornless Loganberry is the result of a crossbreeding between the Loganberry and a thornless blackberry.
Hardy and easy to grow, the Thornless Loganberry thrives in ordinary soil, with a preference for fertile, well-drained, and moist soil. It is best suited to the shelter of a sunny or partially shaded wall, which will highlight the bare wood of the flexible branches in winter.
The Thornless Loganberry is a climbing perennial plant with a semi-shrub and bushy habit. The branches can reach 2 to 3 metres (7 to 10 feet) in length, and the stump can occupy 0.5 metres (2 feet) of ground space. These branches will need to be trained along fences, trellises, pergolas, or arches... there are many solutions.
The foliage is deciduous, bright green, and composed of entire, wavy, and dentate leaves with visible veins, very similar to raspberry leaves. The stems are thornless. They only live to bear fruit (2 years) and are gradually replaced by new shoots emerging from the stump.
The abundant and honey-scented flowering displays numerous small white-pink flowers, measuring 1.5 to 2 cm (1in) in diameter, grouped in clusters. It occurs from May to June, starting from the first year of planting.
The fruits, called loganberries, are composed of drupes clustered on the receptacle, adherent. They are large in size, much bigger than those of wild blackberries, turning red and then black from August to October. They should be picked when fully ripe, as they become sweet and tart, juicy and flavourful, with a taste that is a blend between blackberry and raspberry. The fruits can be eaten fresh right after picking, used in jellies, jams, pies, or in sorbets, syrups, and juices. They can also be perfectly preserved in the freezer.
Thornless Loganberry - Raspberry-Blackberry in pictures
Plant habit
Fruit
Flowering
Foliage
Botanical data
Rubus
x loganobaccus
Loganberry
Rosaceae
Loganberry
Cultivar or hybrid
Planting and care
The Thornless Loganberry Bush prefers deep, fertile, not too dry to moist soils, but it is a low-maintenance plant that will adapt to any ordinary soil that is not too dry. This berry thrives in the sun, in partial shade, or even in shade, but the fruits will be of lower quality. When grown in a pot, it can be planted all year round. However, it is preferable to plant it in the garden in autumn, from September to December.
Dig a hole twice as large as the root ball. Loosen the root ball with a slightly sharp tool to loosen the root ball and promote re-establishment. Place the bush in the hole without burying it too deep. Water well to compact the soil and remove air around the roots. It is important to ensure that the plant does not lack water in the first year after planting. Similarly, in the first year, only keep the vigorous stems. An application of organic fertiliser is beneficial at the start of the growing season. Train the new stems as they grow to prevent overgrowth: the loganberry naturally layers, meaning that if a branch touches the ground for an extended period, it will develop roots and new stems, creating a new 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).
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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.