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Alnus glutinosa Luszyn - Common Alder
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Dispatch by letter from €3.90.
Delivery charge from €5.90 Oversize package delivery charge from €6.90.
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This plant carries a 24 months recovery warranty
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We guarantee the quality of our plants for a full growing cycle, and will replace at our expense any plant that fails to recover under normal climatic and planting conditions.
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Alnus glutinosa 'Luszyn', also known as Common Alder or Black Alder, is a cultivar found in a public park in the Polish city of Luszyn in 2016, initially mistaken for the columnar variety 'Pyramidalis'. 'Luszyn' develops a much wider canopy. Its branches are upward-oriented, with a broad conical crown. The leaves are dark green, ovate, and recurved. Its brown branches are adorned, from March onwards and before the foliage appears, with numerous, very decorative, pendulous yellow-green to brown catkins. This medium-sized tree thrives in waterlogged and poor soils, where it is sometimes the only one able to grow.
In harsh climates and poor, marshy, and suffocating soils, the Common Alder with its rot-resistant and lightweight wood reigns supreme. This deciduous tree from the birch family is widespread in the native flora of Europe, extending up to Scandinavia. It is sometimes called "vergne" or "verne". The variety 'Luszyn' is mainly distinguished by its serrated leaves. It is a small, pyramidal and airy tree, with drooping branches, reaching a height of 10 to 12 metres at maturity with an approximate spread of 5 metres. Its growth is rather slow. Its foliage is light green and vibrant, even lighter underneath and slightly sticky to the touch, especially on young leaves. The buds are purple and also sticky, particularly in winter. The spring inflorescence is a 2cm long kind of small cone called a strobilus, containing tiny winged fruits that will be dispersed by the wind. This tree retains its foliage for a long time.
As a pioneering species, loving water regardless of its source, the Common Alder can be used as a specimen tree, in groups, or to retain banks along streams, natural basins, or in waterlogged, acidic soils in damp undergrowth. It should be kept away from foundations and buildings, as its extremely developed root system (up to 4 metres deep) is capable of blocking drinking water pipes. The 'Luszyn' Common Alder has a distinctive appearance that makes it very attractive when planted alone. Otherwise, plant it with shrubs or trees that have similar requirements, such as Nyssa sylvatica or Bald Cypress. Plant ferns like Onoclea sensibilis at its base, in neutral to acidic and moist soil, in full sun or partial shade. An elegant small tree, ideal for stream or marsh scenes, in dappled shade or full sun.
The Common Alder is also used in forests to prepare and improve the soil before planting poplars. Considered a green manure by foresters, it cleanses and enriches the soil in which it is planted, as its roots convert atmospheric nitrogen into plant proteins. Its wood is almost rot-resistant in water and was once used for underground water conduits and gutters. A significant part of the city of Venice is said to have been built on Common Alder pilings.
Plant habit
Flowering
Foliage
Safety measures
Botanical data
atteinterespiratoire
Cette plante peut entraîner des symptômes allergiques.
Evitez de la planter si vous ou vos proches souffrez de rhinite saisonnière ("rhume des foins").
Davantage d'informations sur https://plantes-risque.info
Easy to grow in consistently moist soil, Alnus glutinosa Luszyn requires little maintenance. It can be planted in moist, humus-bearing, even peaty and poor soil, preferably acidic, in full sun or partial shade. It tolerates wind well. Only prune to remove dead or unnecessary branches.
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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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The flowering period indicated on our website applies to countries and regions located in USDA zone 8 (France, the United Kingdom, Ireland, the Netherlands, etc.)
It will vary according to where you live:
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 planting period indicated on our website applies to countries and regions located in USDA zone 8 (France, United Kingdom, Ireland, Netherlands).
It will vary according to where you live:
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.