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The angelica of Japan is a small deciduous tree, native to Asia; can reach 6-10 meters in height, and is sometimes grown as a large shrub. It develops quite rapidly and vigorously, and tends to constitute small groves, producing numerous root suckers, which develop rapidly. It has an erect habit, poorly branched; the bark is gray, rough and covered with deep veins; the branches carry numerous sharp thorns. The foliage tends to spread like an umbrella; the leaves are dark green, pinnate, consisting of small oval or lanceolate leaflets. In late summer it produces large panicles of white flowers, followed by small purple or pink fruits, which remain on the plant for weeks. Before falling, the leaves turn yellow or reddish.
Regarding the exposure, the species of angelica of Japan are cultivated in a semi-shaded position, even if they do not show big problems in full sun and can grow without particular cultivation needs; moreover, these trees do not fear the cold; in regions with very hot summers it is advisable to cultivate the plant in a semi-shaded place to prevent the plant from showing signs of weakness at the time of development.
There are some very elegant cultivars with variegated foliage of white or yellow. These small trees have a very delicate appearance and are very decorative, unfortunately they are not very easy to find on the market, but are increasingly appreciated by landscape architects. These particular varieties need more attention with regard to exposure: it is important to make them grow away from the sun and in not too hot environments.
Watering is a fundamentally important practice for our plants as it is the main source of nutrition for our cultivated species. Each shrub has specific crop needs and requires specific irrigation. A factor to consider is the season in which one finds oneself when one intends to irrigate the plant. Obviously, during the winter season watering must be reduced compared to the summer season. As for the angelica of Japan, let's see together what its specific needs are. The young specimens are watered at least once a week during the hot season; those who have been staying for a long time are generally satisfied with the rains; although they prefer regular waterings, at least weekly, these plants can withstand even long periods of drought.
Another important fundamental factor for our crops is the type of soil in which they grow. Depending on the type of soil, plants can grow and develop at their best, or show signs of weakness and in the most extreme cases these conditions will lead to the death of our plant. It is therefore good to know the characteristics of the species we intend to cultivate and what is the ideal soil.
The aralia love loose and rich soils, slightly acidic and moist, but very well drained, with no water stagnation. They can therefore grow in any soil, as long as it is well drained.
As far as fertilization is concerned, this must be done during the spring and autumn seasons. The organic fertilizer will serve our plant to develop at best and to avoid at least in part, the attack of pests and the development of disease because once fertilized, the plant will be stronger, stronger and vigorous.
For lovers of this species, it is good to know that the plant can be reproduced in a simple way and it is possible to obtain new plants to grow. There aralia elata It is in fact an excellent ornamental plant and for those who possess the famous "green thumb", multiplying this particular species could be a fun pastime and at the same time, a hobby capable of giving great satisfaction.
The multiplication of ours aralia elata occurs by seed in the fall; since these trees produce many suckers, they can be removed in spring and rooted individually.
Angelica del japan - Aralia elata: Pests and diseases
In general, the aralia elata does not develop pests and diseases because it is a rather resistant species. The only problem that could present is the onset of radical rot on particular occasions. This can happen when it is grown in environments that have stagnant water.