Trochodendron aralioides

Trochodendron aralioides
Trochodendron aralioides 
wheel tree
SIZE/TYPE taller shrub
USUAL HEIGHT 1-4m
USUAL WIDTH 1.5-3m
LEAVES evergreen broadleaf
COLOUR OF LEAVES green
FLOWERS less showy but noticeable
COLOUR OF FLOWERS light green
BLOOMING TIME June
LOCATION full to partial sun
SOIL TYPE acidic (peaty)
SOIL MOISTURE REQUIREMENTS evenly moist (dislikes drought)
USDA zone (lowest) 5b   (down to -27°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 Evergreen broadleaf
Rarities
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Wheeltree is an extraordinary evergreen piece from the East (Japan, Korea, Taiwan). Its uniqueness is emphasized by the fact that it is the one and only species of its genus. Moreover, it is a very old species, imprint of its leaf was found in a 49 million years old fossil found in Washington state, USA.

It is special for its spirally arranged, finely serrated leaves. They are broadly elliptic to ovate, up to 12 cm long, salmon pink as they emerge, changing through coppery to dark green in summer. In autumn they turn dark red with some bronze shades until spring when they revert to green. They are partly glossy. Older plants are decorated with panicles of tiny bright green flowers in early summer.

It grows very slowly, sometimes its growth is almost difficult to notice after one season but when you look at the plant after a few years you can see the increased size and density. Its natural shape is broadly columnar to somewhat rounded, forming a large shrub or a small tree after many years. It likes slightly acidic soil with plenty of humus. The soil should be moist but never too wet. Sunny location will enhance symmetry in its shape, while in shaded areas it will look leggy. Pruning is not recommended. Experienced hardiness to -27°C (USDA zone 5b) without any injury.

Last update 16-06-2009, 22-02-2017
SIZES and PRICES
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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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