Acer palmatum (Dissectum group) 'GARNET'

Acer palmatum (Dissectum group)
Acer palmatum (Dissectum group) 'GARNET'
Japanese maple
SIZE/TYPE medium-sized shrub
USUAL HEIGHT 1-2m
USUAL WIDTH 1-2.5m
LEAVES deciduous broadleaf
COLOUR OF LEAVES burgundy red
FLOWERS insignificant or non-blooming
LOCATION full to partial sun
SOIL TYPE acidic (peaty)
SOIL MOISTURE REQUIREMENTS evenly moist (dislikes drought)
USDA zone (lowest) 5   (down to -29°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
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Japanese maples are the créme de la créme of every garden. They are compact, dense shrubs or majestic looking small trees. Every garden can have one without a need for simulating Japanese garden style. Currently, there are numerous red-leaved varieties in the market but we prefer to stick with the old-time favourites that proved to do well in our climate.

Garnet is one of the top selling Japanese maples ever. It has been popular around the world for many decades. Its filigree leaves are deeply cut = dissected, hence its name. They look like giant snowflakes cut in pieces and densely cover even young plants. The colour show begins with vibrant red in the spring, turning crimson red in early summer and deep burgundy in late summer, finishing up with vivid reddish-purple in the autumn.

It grows slowly and forms a shrub that is rather wider than tall. Branches are pendent making an umbrella appearance. It is often grafted on short stems or half-standards so you can fully enjoy its drooping branches. It needs light, acidic, well drained soil that will retain moisture. Red-leaved Japanese maples do well in full sun if you mulch the roots sufficiently not to dry out in hot summers. They will grow in semi-shade or filtered sun, too, but the leaf colour will be slightly paler with more shades of green. If you feel you need to feed it, use balanced, slow-release fertilizers only.

It can be trimmed or shaped as a bonsai. My feeling is that it is best to leave it with no pruning at all so it can show its irregular growth which makes each one an unrepeatable original. If you wish to cut it anyway do so after danger of all frosts at the earliest, until mid summer at the latest. Plants older than 3-5 years (wood maturity pending) are fully hardy to about -30°C (USDA zone 5).

Last update 20-12-2007
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Acer palmatum (Dissectum group)
Acer palmatum (Dissectum group)
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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