Japanese Black Pine is a classic of Bonsai trees.
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Japanese Black Pine is originally from the coastal areas of Japan.
For centuries, Japanese Black Pine has been used for Bonsai tree, and there are amazing examples around the world. In Japan the tree is often growing in gardens where it's trimmed in dwarf form that reminds of Bonsai - however, on a larger scale.
In young Japanese Black Pine the bark is grey - almost silvery. As the tree grows, the color changes to almost black, and the bark has deep crevices. The needles are dark green and can grow up to 10 cm long, if the tree isn't used as bonsai tree.
It can promote germination, if you place the seeds in sand and store them in the refrigerator for about a week. This may help to break down the sprout inhibitors, found in the seed. Next, place the seeds in a pot with soil in about 1 cm depth. The soil should be kept moist, but Japanese Black Pine doesn't like to stand in water. It can take up to 3-10 weeks before the seeds germinate, so be patient.
Once the seeds have grown to a certain size, you can move the plants into new pots - preferably with holes in the bottom, so there is good drainage. You can give the plants fertilizer about once a month.
If you want to use the tree as Bonsai, it should be pruned regularly.