Home > Catalogue > Acer palmatum 'RED EMPEROR'
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Acer palmatum 'RED EMPEROR' Japanese maple

size/type
small tree,taller shrub
usual height
4-6m
usual width
2-4m
leaves
deciduous broadleaf
colour of leaves
různobarevné: red a merlot
location
full to partial sun
soil type
acidic (peaty) to neutral
soil moisture requirements
evenly moist (dislikes drought)
USDA zone (lowest)
5   (down to -29°C)
winter protection
 
for zone 5+6
Kód zimní ochrany zóna 5+6
for zone 7
Kód zimní ochrany zóna 7
categorized

Acer

Japanese maples are very decorative and usually low shrubs, occasionally small trees, with attractive foliage and picturesque structure. There are many varieties in various shades of green, chartreuse, golden and yellow, red to maroon, and even multicoloured (variegated). They originate from Asia (Japan, China, Korea), where they have been cultivated for at least two centuries or perhaps even longer, however, they were introduced to Europe only at the beginning of the 19th century, specifically to Great Britain in 1820. Interestingly, the botanist Carl Peter Thunberg described them much earlier, in 1784, because he undertook an expedition to Japan in 1775-1776, discovering new species and collecting seeds and plants. He named the tree Acer palmatum, referring to the leaf shape resembling a human hand with fingers, although it is said that they first reminded him of frog fingers, which is also one of its oldest Japanese names: kaede. The other is momiji (baby hands). The beauty of the colours and shapes of the leaves and trees is reflected in many arts, for example, in the oldest preserved collection of Japanese poetry from the 8th century, the Man'yōshū (Collection of Ten Thousand Leaves). The Chinese poet Wang Wei (699-759) celebrated their beauty in many of his works, and naturally, maples often appeared in ancient paintings, tapestries, porcelain, and wherever classic and traditional decorations associated with the symbolism of these maples were desired: beauty and elegance, serenity, endurance, vitality, and transformation.
Description of the plant:
Red Emperor is another red-leaved Japanese maple, this time from the USA, where it was introduced in 1976 by Dick Wolff from Red Maple Nursery in Pennsylvania. He was an enthusiastic lover of the vibrant shades of red and maroon leaves on Japanese maples, and he was especially proud of his Red Emperor. This variety is fast-growing with a final height similar to the Bloodgoodvariety (about 6 meters) but with a wider, almost rounded crown at maturity. The deciduous leaves are bright red as they emerge, deep burgundy red from late spring to late summer, turning to a bright scarlet to crimson in autumn. It grows 30 cm per year and has dark maroon branches. It can be kept smaller by pruning or shaped during frost-free days in late winter.

Japanese maples need constantly moist soil that has to be well-drained, acidic to neutral, and medium fertile. Keep it mulched all year round. It loves a location with high air humidity, e.g. at a river bank or near a pond but it is not a must. Red Emperor maple withstands full sun in constantly moist soil, and naturally grows in partial shade, too. Full shade is not recommended. It is hardy to at least -29 °C (USDA zone 5), and is suitable for outdoor planters, too, if kept moist but without a saucer.

Last update 04-01-2025
SIZES and PRICES
view item form pot size quality price (incl. VAT) where in stock sending options quantity
shrub
30L
height 125-150 cm
STANDARD
5 990 Kč
PRAGUE
QUICK PRICE OVERVIEW
shrub
height 125-150 cm
5 990 Kč

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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.
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