Aralia elata 'SILVER UMBRELLA'

Aralia elata
Aralia elata 'SILVER UMBRELLA'
Japanese angelica tree
SIZE/TYPE small tree
USUAL HEIGHT 2-4m
USUAL WIDTH 2-3m
LEAVES deciduous broadleaf
COLOUR OF LEAVES varigated:green a white
FLOWERS showy
COLOUR OF FLOWERS cream
BLOOMING TIME August - September
LOCATION full to partial sun
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
Exotics
Rarities
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If you are looking for an architectural plant that will attract passersby’s eyes but at the same time will require zero maintenance, and on top of that will be hardy enough for our winters, have a look at this Japanese angelica tree. Is it because the leaves that look like angel’s wings? Well, yes with a bit of poetic license. But truly it is derived from angelica which is a herbaceous plant whose flower panicles look very similar. Whichever name origin you go for, it is still a gorgeous, slow growing, small tree that is a must have for those who love exotic appeal in their gardens.

Silver Umbrella is a gorgeous item for both collectors and lovers of tropical looking plants. This variety of Japanese angelica tree produces about 1 meter long bi-pinnate leaves composed of narrowly ovate, mid green leaflets with white margins and variegation. The leaves are extremely large – up to 1 meter long, bi-pinnate, compound of 3-5 cm long, up to 80 ovate leaflets, pale or silvery green on the reverse. The leaves grow horizontally from a single stem, making a tiered effect created solely by foliage because lateral branching takes many years to occur. They fall down early in the season but before they do so they turn light shades of pink, scarlet red, and yellow if the plant is grown in acid soil. In alkaline clay they will usually change to yellow only. From late August appear huge, erect panicles of numerous but small, creamy white flowers that may be followed by non-edible (not poisonous) purple-black berries hanging in long racemes. It provides plenty of food for insects. Young plants have spines and small thorns along the stem which disappear with age.

Angelica tree makes a great looking specimen in a Japanese style garden, or can be used in exotic landscapes where, with its large frond-like leaves, it can fully substitute a palm tree. It typically grows as a single-stemmed tree, making only short laterals (side branches) when young. Multi-stemmed trees took years to form, or plants were clipped at the top when young. To achieve a tall standard tree form remove all laterals until the central leader reaches a desired height where you want to set the crown. Then clip the top of the top in late winter so that the plant distributes its energy into production of multiple buds which will become a framework of a future dome-shaped canopy.

Grow it in almost any soil type, alkaline or acidic (acidic soil will enhance autumn colours), but always well-drained. It likes equally moist soil throughout the season but will take drought once established. In many sources you can find that it takes flooding. Well, we experienced many fatal infestations of fungi diseases if plants were stuck in water-logged ground. You can tell by sudden loss of leaves during wet periods. Unless treated with a fungicide you may loose the plant irrespective of its age and size. Aralia virtually thrives on neglect. It requires no maintenance and is pest free. Suckers may appear sporadically and should be removed immediately. Fully hardy to min. -34°C, and allegedly even down to -40°C.

Last update 23-09-2013; 18-01-2020
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Aralia elata
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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