Pleioblastus pygmaeus is an evergreen herbaceous plant, native to Asia; it is also called arundinaria pygmea, or Sasa pygmea. The root system of the dwarf bamboo is of the rhizomatous type, which tends to widen over the years, with a panel-like development; from each rhizome thin green canes develop, maximum 80-100 cm high, semi-woody, which bear long leaves with a papery, light green consistency, forming a roundish, very dense shrub. These varieties of dwarf bamboo they bear pruning very well, and are also used as bonsai, or to cover large areas of land, frequently pruning them to a height of 25-30 centimeters. Sometimes dwarf bonsai are also used in containers, in apartments.
The plants of dwarf bamboo they prefer sunny or slightly shaded locations, possibly sheltered from the cold winter wind; they do not fear the cold, and this species can bear very harsh temperatures, down to -15 / -20 ° C; in places with very hot summers it is preferable to plant them in a semi-shady place, to prevent them from being exposed to direct solar radiation during the hottest hours of the day.
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As for the watering of Pleioblastus pygmaeus it is good to establish the amount of water in relation to the period. In spring and summer, from March to October, it is best to keep the soil slightly damp, avoiding water stagnation; they can bear short periods of drought, preferring regular watering anyway.
Bamboos bloom only sporadically, at very irregular intervals; when a plant produces flowers it may need fertilization; sometimes it may be necessary to fertilize even specimens that have little soil or that tend to produce yellowed foliage. Use a slow release, balanced fertilizer. These plants can withstand humid and wet soil, in fact they are also used near water gardens.
Pleioblastus pygmaeus or dwarf bamboo is grown in any garden soil, preferring fairly heavy soils and not necessarily rich in organic matter. The specimens grown in pots need to be repotted every 2-3 years. It is good to maintain a correct degree of humidity at the foot of the plant by using mulching material, which will guarantee perfect humidity without causing water stagnation.
Bamboos can become invasive, so it is advisable to provide containment equipment if you do not want to let them spread into the garden.
The multiplication of Pleioblastus pygmaeus can take place by seed, but flowering is a fairly rare event, so the seeds are difficult to find. Generally this type of plants propagates by stem cuttings, removing the new shoots in spring, or by dividing the rhizome tufts, which root very quickly.
Dwarf bamboo - Pleioblastus pygmaeus: Pests and diseases
Dwarf bamboo plants are quite a hardy and hardy variety and are generally not attacked by pests and diseases. In case of suspected attack by parasites it is possible to intervene with one of the numerous specific products available on the market, which are very effective in solving the problem definitively.