Easily recognizable by their needle-like foliage, the conical pine trees are evergreen, making them desirable in the home landscape for their year-round beauty. Although there are more than 100 varieties of pine trees, some are more suited to the home landscape than others.
These resinous and often aromatic trees are long-lived garden raw materials – some varieties can survive for hundreds of years. Most pine trees are naturally resistant to disease and insect infections and come in a variety of sizes and shapes. The next seven types of pine trees can grow in multiple climates, each bringing a unique style to the landscape.
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1. Japanese white pine
Japanese white pine (Pinus parviflora) grows well in areas north of Zone 5 (see USDA Hardness Zones) where low winter temperatures do not fall below -20 F. The tree can reach up to 80 feet in height by 40 feet, so you need a place to grow.
This pine can produce a single trunk or can be divided into two or more trunks as it grows, making it a popular pattern tree for pruning in the traditional bonsai style. It creates eye-catching dark green needle clumps that resemble clumps.
With such a large pine tree, Japanese white pine produces unusually small cones that are about 2.5 inches long. The young tree has a smooth, gray bark that eventually becomes rough and scales fall off, providing natural ground cover at the base of the tree and increasing visual interest. It prefers sunny places and rocky slopes, but grows on most well-drained soils. However, it does not thrive in hot, humid areas.
Best: Large, sunny rock gardens as a sample tree.
2. Swiss mountain pine
The Swiss mountain pine (Pinus uncinata), it grows straight and straight, reaching 65 feet in height and 25 to 30 feet in width when mature. Dwarf varieties are more compact, only 8-10 feet tall. Cold-resistant in USDA Zone 5, the tree survives winters where low temperatures do not exceed -20 F.
The Swiss mountain pine is native to Europe and naturally blooms high. Nevertheless, it will grow up to 650 feet above sea level. The bark of the tree is an attractive ashy grayish brown that develops fissures and scales as it grows. The leaves of the leaves of the Swiss mountain pines range from dark to forest green and can be grayish in hue.
The seed cones of the tree appear in early summer and boast a purple hue that turns bright dark brown in late fall. The tree grows on a variety of soil types until it is soaked, and although it prefers a sunny location, it also grows in partial shade.
Best: Combined with shrubs from individual trees or different species to achieve an attractive visual composition.
3. “Jopi” Jeffrey Pine
A compact version of the Jeffrey pine, ‘Joppi’ (Pinus jeffreyi ‘Joppi’) is ideal for sunny rock gardens up to 6 meters high when mature. It has coniferous foliage that can grow up to 8 inches long. The tree retains its rounded habit, no pruning or pruning is required. When grown in containers, it often rises to about 4 feet high and 3 feet wide.
The foliage of the Joppi lends a beautiful bluish-green hue to the cinnamon-colored bark. One of the more aromatic pine trees, Joppi, perfumes the nearby air during the summer growing season and also produces cones up to 4 inches long that fall off in late fall.
Like most pine trees, Joppi blooms in sunny locations. All the way north, the USDA grows to Zone 5, but doesn’t care about the hot summer temperatures that occur in many southern regions; and does not tolerate high humidity. It prefers sandy or rocky soils that drain well and remain on the drying side.
Best: Sunny rock gardens and container cultivation.
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4. ‘Uncle Fogy’ Pine
Due to its gnarled and weeping growth habit, the “Uncle Loses” pine is highly valued (Pinus banksiana) is a popular choice to increase the visual interest of perennial edging and rock gardens. It only grows to about 2 feet tall, although it can be grown on vertical columns to create a taller weeping specimen. Left alone, Uncle Fogy spreads in several directions, creating a distorted combination of twisted, knotted stems and bright olive green leaf needles.
This bustling-looking tree, also known as the “Jack Pine,” is called upon in winter to attract interest in perennial beds and rock gardens, especially when paired with higher tree and shrub varieties to provide a visual backdrop. Uncle Grows grows on sandy and rocky soils and is extremely tolerant of cold – it survives all the way to Zone 2 in the north, where winter temperatures can drop below -50 degrees.
But Uncle Fogy doesn’t grow well in areas where summer temperatures rise above 80 degrees. It prefers a sunny place and, once settled, tolerates drought well.
Best: Sunny rock gardens and perennial edges.
5. Forest pine
One of the longest-lived pines, under optimal growing conditions, is the forest pine (Pinus sylvestris) can live up to 700 years, although its life expectancy is 150-300 years. The tree can reach a height of up to 145 feet with a width of 60 feet, but is often smaller in size. A large yard is essential.
As the tree grows, the foliage develops only at the top and ends of its contoured branches, leaving the lower part of the branches and the trunk visibly bare. The thick trunk of a mature forest pine can reach up to 5 feet in diameter.
This pine tree, native to Scotland and Northern Europe, produces bluish-green conifers that are up to 2 inches long, and the bark of the tree begins with a slight orange tinge that darkens on the older growth at the base of the tree and turns deep grayish brown. tribe. Pine prefers altitudes of 3,800 to 8,300 feet above sea level and survives all the way north to USDA Zone 3, with winter temperatures of up to -40 degrees Celsius. It prefers a sunny, rocky or sandy location. soil that does not get soaked.
Best: A specimen tree in a rocky, sunny location.
“Oregon Green” pine
Awarded for its striking foliage and upward growth, ‘Oregon Green’ pine (Pinus nigra) a favorite of professional landscapers who help you create an eye-catching interest in the landscape. The new branches appear as bright white vertical “candles” on the tip of the branches in the spring, giving a sharp contrast to the other rich green leaves of the tree. As the summer progresses, the new growth protein changes to a deep, bright green.
Oregon Green pine reaches a height of 18-20 feet when matured, with a spread of 10 to 12 feet. It grows north of USDA Zone 4, but like many pine species, it doesn’t like hot summer temperatures and doesn’t feel good in regions south of Zone 8. Oregon Green needs a place where it can accommodate sunny and well-drained, non-soaking soil. However, during the summer droughts, weekly watering will be beneficial.
Various songbirds choose to build a nest on the Oregon Green pine trees, which adds to the joyful element. The tree is a welcome sight as a specimen, or planted in groups like a private screen or windbreak.
Best: Dense privacy screens or custom instances.
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7. Silveray Korean Pine
Reaching a height of up to 30 feet with an extent of 10 feet, Silveray Korean Pine (Pinus koraiensis) is a semi-dwarf pine specimen that retains its compact appearance in the landscape without the need for pruning to preserve its shape. It creates long, soft, silver-gray needles that draw attention and distinguish the tree from other pine species.
Grow Silveray as a sample tree in a rock garden or in groups to create an attractive privacy screen or border. Shiny needles glow virtually after sunrise or before sunset, when the sun’s rays reach a horizontal angle. This beautiful pine needs full sunlight to bloom and prefers well-drained, slightly dry soil. It grows all the way north to USDA Zone 5 and can withstand summer heat from 85 to 90 ° F at times. Once established, Silveray only needs watering occasionally, such as in drought conditions.
Best: Focus point in a sunny yard.