Acer 'IslAJ' ARCTIC JADE®

Acer 'IslAJ'
Acer 'IslAJ' ARCTIC JADE®
hybrid Korean maple
SIZE/TYPE taller shrub
 small tree
USUAL HEIGHT 3-6m
USUAL WIDTH 2-4m
LEAVES deciduous broadleaf
COLOUR OF LEAVES green
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 Code of winter protection zone 5+6
FOR ZONE 7 Code of winter protection zone 7
BELONGS TO CATEGORIES Deciduous broadleaf
Rarities
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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.

ARCTIC JADE® is a hybrid Korean maple (a. palmatum x a. pseudosieboldianum) from the Jack Frost® series developed by Iseli Nurseries in Oregon, USA. It has large, 7-lobed, deeply cut, deciduous leaves which are green in summer and vivid shades of orange, scarlet, and maroon in autumn. In spring emerge numerous small purple red flowers followed by small winged fruit (samaras).

It grows moderately (30-40 cm per year) into an upright shrub or multi-stemmed tree with horizontal lateral branches. It can be shaped by trimming or pruned to be kept smaller, best best to be done from late autumn to mid winter during frost-free periods in order to prevent from bleeding sap.

Korean maple loves full sun and will tolerate a little bit of partial shade. It does not require acid 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 15-02-2021
SIZES and PRICES
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Acer 'IslAJ' height 125-150 cm, width 40-50 cm
STANDARD
CHLUMEC BY POST
Acer 'IslAJ' height 125-150 cm, width 40-50 cm
STANDARD
PRAGUE BY POST

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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.
LARGE PLANTS over 150 cmspecimens, screening and hedging shrubs

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