Variety Palmatum Emperor1

JAPANESE MAPLE EMPEROR 1

Article and pictures by .
Acer palmatum 'Emperor 1' was bought to the market by Red Maple nursery in Pensylvania. Unfortunately it rare in the UK although it deserves to more common. Better than Bloodgood because the leaves open two weeks later and thus suffer less from late frost damage.

Emperor 1 is a very strong growing Japanese Maple and suffers from very few pests. An ideal tree for the medium to large garden, it will reach up to 7m / 23ft if not pruned. If you see one for sale in the UK be sure to buy it!


Picture of the tree

It prefers a sunnier position compared to most Japanese Maples and tolerates sun and heat very well. If grown in shade it holds its colour well. The rate of growth is quick and it will form a substantial medium sized tree in five years or so. Sometimes also know as Red Emperor, it is thought to be same cultivar. This variety is classified as being in the Amoenum Group.

TECHNICAL DETAILS FOR ACER PALMATUM EMPEROR 1

Genus
 
Acer

 

Species
 
palmatum
Variety
 
‘Emperor’ or ‘Emperor 1’
Light
 
Does best in full sun but tolerates shade
well
Hardy
 
Yes
Soil
 
Most, but best slightly acidic and well-drained    
Height
 
7m / 23ft after 20 years
Spread
 
8m / 26ft after 20 years
Spread
 
Upright
Colour
 
Red in spring / summer then scarlet in late autumn.
Colour
 
No
Bonsai
 
No

LEAF AND TREE FORM


Summer leaf of acer palmatum 'Emperor 1' / 'red Emperor'
A delightful feature of the leaves is that they are thin and translucent which makes them glow in full sun. Medium to large leaves which are deeply divided back to the stalk, they have five, sometimes seven lobes.

The tips of the leaves are finely pointed with small ridges along the edges. Leaf stalks are a deep red.

SUPPLIERS OF Emperor 1 / Red Emperor
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