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corking of its bark make it the perfect choice to build your collection around. The strength and power of these pines
adds the perfect contrast of color and texture to your decidous trees.
Japanese White Pine - Pinus parviflora
Family: Pinaceae Lighting: Full sun.
Temperature: Zone 4B to 7A. Northern climates, will not grow in southern USA.-
Watering: As with other pines, good drainage is essential.
Feeding Simon and Schuster's recommends feeding once a month from early to late spring and from end of summer to
late autumn with a slow-acting organic fertilizer, and applying chelated iron 2-3 times per year.
If you prefer to use chemical fertilizers, feed every other week during the same times with a half-strength solution of a
fertilizer for acid-loving plants, such as Miracid. You may wish to alternate with a balanced fertilizer such as Peter's 20-
20-20 depending on the acidity of your soil mix.
Pruning and wiring The root system should be pruned gradually in the coarse of repotting, so as to always leave a
strong root system. Branch pruning and wiring should be done in late autumn, and the wire left on the tree for 6-8
months at most. Pinch new shoots in spring to 1/3 of their length. Every 1-2 years it is possible to remove all of the new
shoots in late spring, if the tree is healthy and well-fed. This will result in buds forming in the fall at the sites where the
shoots were removed. The reason this might be done is to form very short internodes on the branches.
Propagation: Seeds, layering.
Repotting: Repot every 2 or 3 years for young trees (up to 10 years) or every 3 to 5 years for older trees. Repotting can
be done in spring before the candles open or in late summer or early autumn, after the heat of summer has passed.
These are the two periods of greatest root growth in pines.
Because of the rugged quality of the five-needle pine, a strong rectangular pot should be used. Pines need a deep root
system, and five-needle pines especially need a deep pot to avoid uprooting by wind, due to their dense foliage.
Pines and other conifers grow in association with a symbiotic fungus which grows in the root ball of the tree. If this
fungus is not present, the tree may die. For this reason, pines and other conifers should never be bare-rooted, unless
steps are taken to re-introduce the fungus to the repotted plant, such as making a slurry (thin mud) of the old soil and
pouring it over the newly potted soil or by using Hollow Creek Farms Micro Plus as directed.
Some experts feel that it is more important to be sure that the tree always has a healthy root system with sufficient
feeder roots than to worry about symbiotic fungi. They feel that trees are more likely to die from having their root
systems reduced too much at once than from not having the fungus present. Certainly it is good advice in any case to
be sure the tree has sufficient roots.
Pests and diseases: Aphids, mealy bug & red spider mites, to name a few.