Acer palmatum 'Sango-kaku' (Sango-kaku Coral-bark Maple, Sango-kaku Japanese Maple)
Botanical Information
Family | Sapindaceae |
Genus | Acer |
Species | palmatum |
Cultivar | 'Sango-kaku' |
Category | Woody |
Type | Tree (deciduous), Shrub (deciduous) |
Details
USDA Hardiness Zone | 6 - 7 |
USDA Hardiness Ref. | |
Canadian Hardiness Zone | 6b |
Canada Hardiness Ref. | |
RHS Hardiness Zone | H6 |
RHS Hardiness Ref. | |
Temperature (°C) | -20 to -15 |
Temperature (°F) | 4 to 5 |
Height | 4 m - 8 m |
Spread | 2.5 m - 4 m |
Growth | Slow |
Flowering Period | April, May |
Description and Growing Information
General Description | 'Sango-Kaku' can be either a small deciduous tree or a large shrub. The leaves appear in spring as pinkish-yellow before changing to light green then yellow-gold in autumn. |
Shape | Hemispherical. |
Propagation | Propagate by grafting or softwood cuttings. |
Cultivation | Moist but well-drained soil. The plant prefers partial shade but can tolerate full-sun with extra care. |
Notable Specimens | Lanhydrock Gardens, Cornwall, United Kingdom. Trebah Garden Trust, Mawnan Smith, Falmouth, Cornwall, United Kingdom. |
Habitat | Horticultural origin. |
Bark/Stem Description | Smooth, greenish-grey or light brown in colour with greyish-green glabrous branchlets. |
Flower/Leaf Bud Description | Conical, purplish-red with 5 pairs of scales. |
Leaf Description | Suborbicular, thin, 5-7 lanceolate lobes with a cordate to subtruncate base, 3-6 x 4-8 cm. |
Flower Description | The flowers are clustered 10-20, forming a raceme. Individual flowers have 5 reddish purple sepals and 5 pale yellow to pinkish-white petals. |
Fruit Description | Winged samaras, elliptic-convex, veined nutlets, produced in September. |
Photographs
![Acer-palmatum 'Sango-Kaku', form. Lanhydrock Gardens, Cornwall, England.16/10/2019 Acer-palmatum 'Sango-Kaku', form. Lanhydrock Gardens, Cornwall, England.16/10/2019](photos/Acer-palmatum-Sago-Kaku-frm.jpg)
Acer-palmatum 'Sango-Kaku', form. Lanhydrock Gardens, Cornwall, England.16/10/2019
![Acer-palmatum 'Sango-Kaku', leaf. Lanhydrock Gardens, Cornwall, England.16/10/2019 Acer-palmatum 'Sango-Kaku', leaf. Lanhydrock Gardens, Cornwall, England.16/10/2019](photos/Acer-palmatum-Sago-Kaku-lf.jpg)
Acer-palmatum 'Sango-Kaku', leaf. Lanhydrock Gardens, Cornwall, England.16/10/2019
![Acer-palmatum 'Sango-Kaku', form. Trebah Garden Trust, Mawnan Smith, Falmouth, Cornwall, United Kingdom. 15/10/2019. Acer-palmatum 'Sango-Kaku', form. Trebah Garden Trust, Mawnan Smith, Falmouth, Cornwall, United Kingdom. 15/10/2019.](photos/Acer-palmatum-Sago-Kaku-frm.jpg)
Acer-palmatum 'Sango-Kaku', form. Trebah Garden Trust, Mawnan Smith, Falmouth, Cornwall, United Kingdom. 15/10/2019.
![](photos/Acer-palmatum-Sago-Kaku-lf.jpg)
![Acer-palmatum 'Sango-Kaku', leaf. Trebah Garden Trust, Mawnan Smith, Falmouth, Cornwall, United Kingdom. 15/10/2019. Acer-palmatum 'Sango-Kaku', leaf. Trebah Garden Trust, Mawnan Smith, Falmouth, Cornwall, United Kingdom. 15/10/2019.](photos/Acer-palmatum-Sago-Kaku-lf2.jpg)
Acer-palmatum 'Sango-Kaku', leaf. Trebah Garden Trust, Mawnan Smith, Falmouth, Cornwall, United Kingdom. 15/10/2019.
![Acer-palmatum 'Sango-Kaku', autumn form, Lanhydrock, 16/10/2019 Acer-palmatum 'Sango-Kaku', autumn form, Lanhydrock, 16/10/2019](photos/Acer-palmatum-Sago-Kaku-frm2.jpg)
Acer-palmatum 'Sango-Kaku', autumn form, Lanhydrock, 16/10/2019
Awards
![](images/RHS_logo.jpg)