Acer 'IslID' ICE DRAGON® hybrid Korean maple
size/type
medium-sized shrub,medium-sized shrub
usual height
1,5-2,5m
usual width
2-3m
leaves
deciduous broadleaf
colour of leaves
location
full sun
soil type
acidic (peaty) to neutral
soil moisture requirements
evenly moist (dislikes drought)
USDA zone (lowest)
4 (down to -34°C)
winter protection
for zone 5+6
for zone 7
categorized
Korean maple is a less common species in European cultivation, and as the name suggests its native habitat are the forests of Korea and North China. It is a sought-after plant among those who love Japanese maples but don't succeed in growing them for whichever reason. Korean maple as well its hybrids are remarkably similar-looking large shrubs or small trees which are not prone to typical Japanese maples diseases and will grow in almost any soil without any maintenance.
Description of the plant:
ICE DRAGON® is a hybrid Korean maple (a. palmatum x a. pseudosieboldianum), the smallest variety from the Jack Frost® series developed by Iseli Nurseries in Oregon, USA. It has finely cut, 7-lobed, deciduous leaves, almost identical to those on Japanese maples from the dissectum group. They are green in summer and carmine red and orange in autumn. They keep growing all season long so you can see red leaves at the tips of the branches from spring to autumn. In spring emerge numerous small purple red flowers and after them do the small winged fruit (samaras).It grows moderately (20-30 cm per year) into a dome-shaped shrub with arching branches, about 2.5 m tall and a little wider in maturity. It can be shaped by trimming or pruned to be kept smaller, best of which is done from late autumn to mid winter during frost-free periods in order to prevent from sap-bleeding.
Korean maple loves full sun and will tolerate a little bit of partial shade. It does not require acidic soil like Japanese maples but will produce better and deeper colours of autumn foliage if grown in acid soil. It should be fertile and evenly moist all year round so mulching is recommended. It dislikes drought and compacted ground. Extremely hardy to min. -34°C (USDA zone 4).
Last update 16-02-2021
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GLOSSARY
- STANDARD QUALITY - Plants of this group are 1st class quality with number of branches and overall density adequate to their size and age, considering they were container grown.
- DE LUXE QUALITY - This label guarantees a luxurious quality of manually selected plants that, compared to their height and age, are exceptionally dense and beautiful.
- EXTRA - These plants are usually mature and bigger specimens with exceptional overall appearance.
- STANDARD (as described in the plant form) means a tree with a trunk of 190-210 cm and a crown at the top, unless specified differently. The commercial size for trees is their girth measured in the height of 1m from ground.
- HOBBY - These plants are of the same quality as our standard-quality plants but younger and therefore cheaper.
- SHRUB - a woody plant with branches growing bushy from the ground level.
- HALF-STANDARD or MINI-STANDARD - a small tree with shorter trunk, its size is usually specified.
- FEATHERED - These are trees with branches growing already from the base of the trunk and up along the stem.
- GRASSES and PERENNIALS - Sizes given usually read the diameter of the pot or the clump, as specified.
