PiO: care for rare trees and shrubs

Ways to take care of the multi-flower plum

P:I bought a shrub called peel. Unfortunately, I can't find any information about it. I don't know how to care for it. When and how to trim? With what to power? I am asking for advice on this matter.

O:Obiela large-flowered Exochorda racemosa has recently appeared on the market.So far, it has only been found in botanical gardens and arboretums.It comes from China, but it works quite well in our climate. It is quite a large shrub growing up to 2-4 m high with overhanging shoots.Blooms profusely from May to mid-June. Single flowers are large, gathered in large clusters.

It grows well in medium-thick, well-drained garden soil, neutral or alkaline.The best position for peelings is in partial shade, then flowers are large and bloom longer.Young plants should be pruned after flowering, it favors the thickening of the bush and a compact habit. Obiela is a hardy shrub, it tolerates both atmospheric and soil droughts well.

Siebold's walnut and Chinese chestnut up close

P:I bought two trees, namely Siebold's walnut and Chinese chestnut, which I don't know anything about. I kindly ask for information about them.

O:Nut Siebolda Juglans ailantifolia grows naturally in Japan over streams. It grows up to 20 m there. In our conditions, it is unlikely to be that high.Requires a sunny position with a fertile and humid substrate with an alkaline or neutral pH.Young trees need to be protected against frost for several years, and watered during the growing season, during drought.They grow quickly, giving annual increments of about 1 m. The crown is made of loose and openwork with a spreading habit. They bear fruit after about 12 years. Nuts are generally self-pollinating, but more and better quality fruit is obtained when cross-pollination occurs.

Walnut or gray walnut can also serve as a pollen donor, with the latter the Siebold nut can even produce hybrids.Nuts are sensitive to pruning, therefore it is worth considering where to plant them, so that in the future you do not have to cut their branchesThe places of pruning hardly heal and in a later age the tree starts to rot from there. Nuts have long stemmed roots and cannot stand transplanting. The shell of the fruit is poisonous.

Chinese chestnut is also a large tree, although slightly lower than a walnut.It grows up to 8 m in height, reaching 6 m in width. It requires a slightly moist substrate with average fertility and a neutral pH. It grows well in both semi-shaded and sunny positions.Young trees grow moderately fast. They produce a spherical crown.The pollen of chestnut flowers is good for bees. Both trees are quite large and therefore suitable for large gardens.

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