Acer palmatum 'Osakazuki' (Osakazuki Japanese Maple)
Botanical Information
| Family | Sapindaceae (Aceraceae) |
| Genus | Acer |
| Species | palmatum |
| Cultivar | 'Osakazuki' |
| Category | Woody |
| Type | Tree (deciduous) |
Details
| USDA Hardiness Zone | 5 - 9 |
| USDA Hardiness Ref. | |
| Canadian Hardiness Zone | 4a |
| Canada Hardiness Ref. | |
| RHS Hardiness Zone | H6 |
| RHS Hardiness Ref. | |
| Temperature (°C) | (-26) - (-1) |
| Temperature (°F) | (-10) - 30 |
| Height | 2.5 - 4 m |
| Spread | 2.5 - 4 m |
| Growth | Medium |
| Flowering Period | April |
Description and Growing Information
| General Description | A beautiful cultivar known for its vibrant and eye catching almost glowing autumn colour. A stunning and colourful addition to any landscape. |
| Shape | Bushy, with a rounded crown. |
| Landscape | A specimen or accent plant. |
| Propagation | Propagated from softwood cuttings. |
| Cultivation | Best grown in partial shade (although will tolerate full sun) in moist but well-drained soil. It is also good to shelter from excising exposure, as this can cause leaf scorch. |
| Pests | Aphids and horse chestnut scale (Pulvinaria regalis) may be a problem, as well as verticillium wilt (Verticillium dahliae and V. albo-atrum). |
| Notable Specimens | The Gardens of Fanshawe College, London, Ontario, Canada. National Trust Trelissick Garden, Feock, near Truro, Cornwall, United Kingdom. Trengwainton Garden, Madron, Cornwall, United Kingdom. |
| Habitat | Horticultural origin. |
| Leaf Description | 5-7 lobes with a cupped base, green in colour turning a vibrant red colour in autumn. |
Photographs
Acer palmatum 'Osakazuki', form.
Acer palmatum 'Osakazuki', form.
Acer palmatum 'Osakazuki', flower. Trengwaighton Garden, Madron, Cornwall, United Kingdom. 16/10/2019.
Acer palmatum 'Osakazuki', seed. Mawnan Smith, Nr Falmouth, Cornwall. 15/10/2019.
Acer palmatum 'Osakazuki', form. National Trust Trelissick Garden, Feock, near Truro, Cornwall, United Kingdom.
Acer palmatum 'Osakazuki', leaf. National Trust Trelissick Garden, Feock, near Truro, Cornwall, United Kingdom.
Acer palmatum 'Osakazuki', bark. National Trust Trelissick Garden, Feock, near Truro, Cornwall, United Kingdom.
Acer palmatum 'Osakazuki', flower. National Trust Trelissick Garden, Feock, near Truro, Cornwall, United Kingdom.
Acer palmatum 'Osakazuki', form. Mawnan Smith, Nr Falmouth, Cornwall. 15/10/2019.
Acer palmatum 'Osakazuki', leaf. Mawnan Smith, Nr Falmouth, Cornwall. 15/10/2019.
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