The Southwestern White pine is a lot like other evergreens native to Colorado in many ways. Some of the needles will even stay attached to the branches for quite some time before falling off and being replaced by fresh new ones. This pine is grown domestically pretty much anywhere in all kinds of soils but does prefer rockier terrain and a rougher landscape. Reaches a height of 50 to 60 feet and a spread of 30 to 35 feet. Bark is thin, rough, and furrowed. It is not native to Nebraska. The Southwestern White pine is one of many different trees that can be found in Colorado and the name says it all. A conical to rounded crown with layered, spreading branches and slender, soft textured, bluish green needles. It grows are a broad range of soils, but may struggle on poorly drained sites. It hasnât been used in Kansas long enough to know how large it will grow, but its mature height probably will be 35 to 50 feet. Young trees tend to be rather dense and symmetrical and pyramidal in shape. The Southwestern White Pine matures into a more open shape. Large, fast growing deciduous trees should be spaced far enough (20 to 40 feet) between rows to prevent shading the pines. southwestern white pine General Information; Symbol: PIST3 Group: Gymnosperm Family: Pinaceae Duration: Perennial ... Pinaceae – Pine family Genus: Pinus L. – pine Species: Pinus strobiformis Engelm. The needles are usually found in bunches of five, but sometimes four. These particular pines can grow to be anywhere from 50 to 80 feet tall and live for many years. Bark is thin, rough, and furrowed. It is not native to Kansas. Southwestern white pine grows in Arizona, New Mexico and southwest Colorado. Taking root on cliffs, steep ridges, and other seemingly treacherous places, the pine does best in areas of fairly high elevation and low water supply. The seeds are palatable to small mammals and birds.Christmas Trees - Southwestern white pine can make a beautiful Christmas tree. The Southwestern White pine is one of many different trees that can be found in Colorado and the name says it all. Kansas Forest Service2610 Claflin RoadManhattan, KS 66502785.532.3300. However, what sets them apart from the others is their preference for the southwestern part of the state. Branches tend to be long and horizontal, and they are stiffer on young young trees than on eastern white pine. CultureTwo-year-old bare-root and container-grown seedlings are used in conservation plantings. Adaptation and SoilSouthwestern white pine is adaptable statewide with low to moderate moisture requirements. Needles are in groups of 5, soft, dark to bluish green, 2 to 4 inches long, and tips are often finely toothed. The branches of these trees are very long and cover a large amount of ground. Instead of having a round, squatty shape, they are longer and resemble an oval. Ash gray bark becomes dark gray as it ages. SpacingSouthwestern white pines are spaced 8 to 12 feet within a row and 12 to 18 feet between rows. Though the tree is not entirely “white,” the bark does start out light grey when young and matures to a darker brown color with deep rivets and thick texture. It is not native to Nebraska. Great for windbreaks and wildlife habitat and even Christmas trees. A five needled pine, both needles and branches are more rigid than Eastern White Pine making this superior for Christmas tree use. Its growth rate is about 12 inches per year. However, the Whites are generally significantly taller and have a much straighter trunk and a more upright appearance. Southwestern white pine may require more TLC the first couple of years than Austrian pine or Ponderosa pine. This tree resembles limber pine, but its branches arenât as heavy and its cones are longer. Despite this, however, these conifers are part of a very long-lived breed. Young trees tend to be rather dense and symmetrical and pyramidal in shape. The cones are 2.8 to 9.8 inches long with reflexed, thick scales. The bark white or grey in color turns brown over time and is also very rough and cracked. This pine is generally found on the southwestern slopes of the Rockies and loves to grow in some pretty strange places. On its native sites, it may grow to 90 feet in height. Southwestern white pine is rather shade intolerant. Low to moderate moisture requirements and likes full sun. It is unknown how serious pine wilt will be on this tree. Pinus strobiformis, or Southwestern white pine, grows in Arizona, New Mexico and Southwest Colorado. Needles are in groups of 5, soft, dark to bluish green, 2 to 4 inches long, and tips are often finely toothed. Southwestern white pine, grows in Arizona, New Mexico and Southwest Colorado. Large ornamental cones. Bark is thin, rough, and furrowed. Young trees tend to be rather dense and symmetrical and pyramidal in shape. – southwestern white pine Subordinate Taxa. The cones are also very different from other conifers. This strain is native to the mountainous regions of S. AZ, SW. NM, W. TX, and south into Mexico. The Best Tree Care Tip – Apply Wood Mulch, Tree Superstitions from the British Isles, The Best Organic Fertilizer for Your Plants, 5 Things You Can do to Lower the Cost of Tree Care, Emerald Ash Borer Now Confirmed in Larimer County Colorado, Tree Service Fort Collins Loveland Windsor Berthoud CO. PestsWhite pine blister rust is a problem in Southwestern white pineâs native range, but it is not considered a problem in Kansas. During the establishment period, supplemental watering and control of competing vegetation will aid survival and early growth. They are not extremely full trees by any means, but they are also not the thinnest evergreens. Leaves, Stems and FruitSouthwestern white pine needles are in groups of 5, soft, dark to bluish green, 2 to 4 inches long, and tips are often finely toothed. This tree does not need an excessive amount of nutrition and can live for very long periods of time with no water at all. Pinus strobiformis, or Southwestern white pine, grows in Arizona, New Mexico and Southwest Colorado. They can be up to ten inches in length and are fairly thin as well. Its mature form tends to be open and irregular. Because of this, these trees are oftentimes confused for the Limber pines. This tree resembles limber pine, but its branches aren’t as heavy and its cones are longer. On its native sites, it may grow to 90 feet in height. Description. They can remain strong through basically anything and are one of the tougher pines in the state. The Southwestern White pine is more susceptible to fire due to the bark and often fall prey to different forest bugs and animals that enjoy gnawing down on them.