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.](photos/Acer-palmatum-Osakazuki-fan-form.jpg)
Acer palmatum 'Osakazuki', form.
Acer palmatum 'Osakazuki', form.
![](photos/Acer-palmatum-Osakazuki-frm.jpg)
![Acer palmatum 'Osakazuki', flower. Trengwaighton Garden, Madron, Cornwall, United Kingdom. 16/10/2019. Acer palmatum 'Osakazuki', flower. Trengwaighton Garden, Madron, Cornwall, United Kingdom. 16/10/2019.](photos/Acer-palmatum-Osakazuki-flw.jpg)
Acer palmatum 'Osakazuki', flower. Trengwaighton Garden, Madron, Cornwall, United Kingdom. 16/10/2019.
![](photos/Acer-palmatum-Osakazuki-lf.jpg)
![Acer palmatum 'Osakazuki', seed. Mawnan Smith, Nr Falmouth, Cornwall. 15/10/2019. Acer palmatum 'Osakazuki', seed. Mawnan Smith, Nr Falmouth, Cornwall. 15/10/2019.](photos/Acer-palmatum-Osaasuki-sd.jpg)
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', form. National Trust Trelissick Garden, Feock, near Truro, Cornwall, United Kingdom.](photos/Acer-palmatum-Osakazuki-tre-frm.jpg)
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', leaf. National Trust Trelissick Garden, Feock, near Truro, Cornwall, United Kingdom.](photos/Acer-palmatum-Osakazuki-tre-lf.jpg)
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', bark. National Trust Trelissick Garden, Feock, near Truro, Cornwall, United Kingdom.](photos/Acer-palmatum-Osakazuki-tre-brk.jpg)
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', flower. National Trust Trelissick Garden, Feock, near Truro, Cornwall, United Kingdom.](photos/Acer-palmatum-Osakazuki-tre-flw.jpg)
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', form. Mawnan Smith, Nr Falmouth, Cornwall. 15/10/2019.](photos/Acer-palmatum-Osaasuki-frm.jpg)
Acer palmatum 'Osakazuki', form. Mawnan Smith, Nr Falmouth, Cornwall. 15/10/2019.
![Acer palmatum 'Osakazuki', leaf. Mawnan Smith, Nr Falmouth, Cornwall. 15/10/2019. Acer palmatum 'Osakazuki', leaf. Mawnan Smith, Nr Falmouth, Cornwall. 15/10/2019.](photos/Acer-palmatum-Osaasuki-lf.jpg)
Acer palmatum 'Osakazuki', leaf. Mawnan Smith, Nr Falmouth, Cornwall. 15/10/2019.
Awards
![](images/RHS_logo.jpg)