The 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 rhizomatous, which tends to widen over the years, with a panel-like development; from each rhizome thin green canes develop, 80-100 cm high at most, semi-woody, which carry long leaves with a papery consistency, light green, to form a roundish, very dense shrub.
These varieties of Dwarf Bamboo can withstand pruning very well, and are also used as bonsai, or to cover large areas of land, pruning them frequently at a height of 25-30 cm. Sometimes the dwarf bonsai are also used in containers, in apartments.
The plants of Dwarf Bamboo prefer sunny, or slightly shaded, positions, possibly sheltered from the cold winter wind; they do not fear the cold, and this species can bear very rigid temperatures, up to -15/-20°C; in the places with very hot summers, it is better to place them in a semi-shaded place, in order to avoid that, during the hottest hours of the day, they remain exposed to the direct sun irradiation.
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As far as the watering of the Pleioblastus pygmaeus is concerned, it is best to determine the quantity of water in relation to the period. During the spring and summer period, from March to October, it is best to keep the soil slightly moist, avoiding water stagnations; they can bear short periods of drought, however preferring regular watering.
Bamboos flower only sporadically, at very irregular intervals; when a plant produces flowers it may need to be fertilised; sometimes it may be necessary to fertilise even specimens that have little soil or tend to produce yellowed foliage. Use a slow release fertilizer, balanced. These plants can stand the wet and humid soil, in fact, they are utilized also close to water gardens.
The Pleioblastus pygmaeus or dwarf bamboo is grown in any garden soil, preferring rather 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 level of humidity at the foot of the plant using mulch material, which will ensure the perfect humidity without causing stagnation of water.
Bamboos can become invasive, so it is advisable to provide containment equipment if you do not want to let them spread in the garden.
The multiplication of the Pleioblastus pygmaeus can be done by seed, but the flowering is a rather rare event, therefore the seeds are difficult to find. Generally, this type of plant propagates by stem cutting, removing the new shoots in the spring, or by division of the heads of rhizomes, which root very quickly.
Dwarf bamboo – Pleioblastus pygmaeus: Parasites and diseases
Dwarf bamboo plants are a rather rustic and resistant 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 many specific products available on the market, which are very effective in resolving the problem in a definitive way.
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