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Acer palmatum Royal Garnet
Acer palmatum Royal Garnet
Acer palmatum Royal Garnet
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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.
From 5,90 € for pickup delivery and 6,90 € for home delivery
Express home delivery from 8,90 €.
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Acer palmatum Royal Garnet, known by its cultivar name 'Opstal11', is a Japanese maple with deeply incised foliage in a beautiful garnet colour. It forms a small, highly branched shrub with an initially upright and dense habit, then becoming rounded, wide and spreading from around 5 years. In autumn, the feathery and delicately carved foliage turns a fiery orange-red, with bluish highlights. This maple prefers moist to wet, well-drained soil and a location in non-scorching sun or partial shade. It is hardy down to -15º C.
Acer palmatum is native to eastern China, Korea, and Japan. Like all maples, it belongs to the Aceraceae family. Royal Garnet stands out for its carved foliage, coloured in purple-red to garnet red, from spring to summer. It is a fairly hardy, slow-growing small tree with brown wood, which develops a single trunk supporting an initially upright and then spreading, sparsely branched crown, supported by flexible branches. At 7 years old, it reaches 2 m in height and about 1 m to 1.5 m in width, depending on the growing conditions. Its deciduous foliage is composed of palmate leaves, measuring 5 to 8 cm long, deeply divided into 5 to 7 lanceolate lobes, finely carved and strongly toothed along the edges. The reddish flowers grouped in small clusters in April are insignificant, but the 3cm long red fruits with curved wings are interesting from September onwards. Before falling in autumn, the foliage takes on beautiful bright red and orange hues.
Acer palmatum Royal Garnet prefers acidic, moist, fertile, loose, and well-drained soil, in a partially shaded position sheltered from cold and dry winds. It tolerates non-scorching sun. High temperatures cause the leaves to burn and fall quickly. It is ideal as a standalone specimen on a lawn or in an ericaceous soil bed accompanied by azaleas, pieris, rhododendrons, and heathers. In a Zen garden, it pairs well with bamboos and Cornus kousa. It can also be trained into a beautiful bonsai in a flat tray.
Tips: Treat with Bordeaux mixture to prevent Verticillium attacks.
Acer palmatum Royal Garnet in pictures
Plant habit
Flowering
Foliage
Botanical data
Acer palmatum Royal Garnet should be planted in spring or autumn in a preferably acidic, moist, deep, loose and well-drained soil, in a semi-shaded position, sheltered from cold and dry winds. Add a significant amount of organic matter every 3 years to ensure a good humus content in the soil. Mulch, water and mist the foliage on hot evenings. Winter pruning is limited to balancing the branches. Treat against scale insects and Verticillium.
Planting period
Intended location
Care
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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.