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Pinus thumbergiana
Pinus thumbergiana

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Zone
Zones 8, 9, 12-24
Full Sun
Full
Minimal Water
Minimal

Pinus canariensis

Canary Island Pine
Pinaceae
Evergreen, Trees

PINUS

Pines are the great individualists of the garden, each species differing not only in its characteristics but also in the ways in which it responds to wind, heat, and other growing conditions.

Cone appearance (size and shape) is one identifying feature of these trees. Another is the number of needles in a bundle; most pines carry their long, slender needles in groups of two, three, or five. Young trees tend to be pyramidal, while older ones are more open or round topped.

The text gives typical dimensions for pines in cultivation, but trees often grow much larger in the wild. Seeds of all species attract birds.

All pines can be shaped, and often improved, by some pruning. The best time to prune is in spring, when new growth emerges. Cut the candles (vertical fingers of new spring growth) to promote bushiness or limit the plant’s size. You can remove unwanted limbs to accent a pine’s branching pattern—but remember that a new one won’t sprout to take its place. In time, lower limbs of most pines will die naturally; when this happens, cut them off.

Shaping a pine artistically—in the manner of trees in Japanese gardens—requires some skill, but it isn’t difficult. Cut out any branches that interfere with the desired effect, shorten others, and create an upswept look by removing all twigs that grow downward. Cut the vertical main trunk back to a well-placed side branch to induce side growth; wire or weight branches to produce a cascade effect.

Pines are vulnerable to air pollution, which causes abnormal needle drop and poor growth and may even kill trees. They are also subject to a number of diseases and pests, but healthy, well-grown plants will usually maintain their vigor with comparatively little attention. Many five-needle pines are subject to a blister rust (a bark disease that can be fatal) when grown in the vicinity of currants or gooseberries. Your Cooperative Extension Office can also offer advice concerning each tree’s adaptability to your area and any local environmental or pest problems.

The number of available color variants, odd forms, and dwarf pines runs easily into the hundreds: seek them out at specialty nurseries.

Pinus canariensis

Native to the Canary Islands. Grows fast to 50–80 ft. tall and 20–35 ft. wide. Gawky when young, but soon develops into a slender, graceful pyramid, after which it takes on a tiered look, then finally develops a round head. Bark is fissured and reddish brown. Needles 9–12 in. long held in groups of three; bluish green when new, then aging to dark green. Glossy brown cones are oval, reaching 4–9 in. long. Resists oak root fungus.

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