Information

Pine, Five-needle pine - Pinu pentaphylla

Pine, Five-needle pine - Pinu pentaphylla

Generality

evergreen conifer native to Asia, and in particular to Japan; in nature these trees can reach 25-30 meters in height. It has an erect trunk, with smooth bark in young specimens, which becomes thick and wrinkled with the years; the crown is pyramidal, very dense and branched, tends to be slightly rounded in mature specimens; the needles are bluish-green in color and clustered in bunches of five, as the name suggests. It produces small inflorescences and then small dark brown pine cones. This conifer is quite advisable for beginners, as it is easy to cultivate, although it can be difficult to get the branches in shape and contain the growth of the needles, however there are numerous cultivars, some of which with small needles.


Pruning and exposure

Pruning: trim the shoots when they are still closed, in early spring; training pruning is done in autumn or late winter. The metal wire can be placed in the cold months of the year.

Exposure: place in a sunny and well ventilated place; in the hottest months of the year it is best to transfer to a shady place, to avoid excessive insolation and high temperatures; generally these conifers do not fear the winter cold, even if in cases of very intense and prolonged frosts it is good to cover the pot with TNT.

  • Polygala with myrtle leaves - Polygala myrtifolia

    dozens of species of perennial herbaceous plants belong to the genus polygala, also widespread on the Italian territory in the wild; in nurseries it is easier to find Polygala myrtifolia, also called ...
  • Portulacaria afra

    evergreen succulent shrub, native to southern Africa; in nature it can reach 2-3 meters in height, while in pots it stays below 50-70 cm. He has the bearing of a little ...
  • Murraia - Murraya paniculata

    evergreen plant native to Asia, with light brown bark, silky to the touch. In summer it produces very fragrant white flowers, followed by yellow-red, oblong fruits, reminiscent of ...
  • Fir - Picea abies

    an imposing-looking evergreen conifer, widespread in Europe and North America, in nature it can reach even 40-45 meters in height; it is the fir that is most often used as a nat ...

Watering

Watering: from March to October water regularly, waiting for the soil to dry on the surface between one watering and the next; in the cold months it is preferable to reduce watering, providing water only when the soil is dry. In the months of greater vegetative development, it is good to provide universal fertilizer every 10-15 days. In summer it is good to steam the hair often with demineralized water.


Ground

the pinus pentaphylla they love well-drained, loose and soft soils, possibly with a slightly acidic pH; it is good to use a compound consisting of a part of peat, a part of clay and a part of sand. These plants grow quite quickly in the first years, so they must be repotted, in early spring, every 2-3 years, avoiding to shorten the roots too much.


Pine, Five-needle pine - Pinu pentaphylla: Multiplication and disease

Multiplication: they can be propagated by seed, at the beginning of spring; often these pines are the fruit of grafting.

Pests and diseases: pay attention to aphids and mites; the pinus pentaphylla they are prone to fungal diseases that copy the root system.


Video: How to Start Bonsai Seeds - Scarification and Stratification (October 2021).