Slash Pine Tree Facts
Slash pine tree is suitable for growing in USDA plant hardiness zones 8 through 10. It grows at a relatively fast rate, attaining about 14 to 24 inches (35.5 to 61 cm.) of growth per year. This is a good-sized tree that reaches heights of 75 to 100 feet (23 to 30.5 m.) at maturity. Slash pine is an attractive tree with a pyramidal, somewhat oval shape. The shiny, deep green needles, which are arranged in bunches that look a little like brooms, can reach lengths of up to 11 inches (28 cm.). The seeds, hidden in glossy brown cones, provide sustenance for a variety of wildlife, including wild turkeys and squirrels.
Planting Slash Pine Trees
Slash pine trees are generally planted in spring when seedlings are easily found at greenhouses and nurseries. Growing a slash pine tree isn’t difficult, as the tree tolerates a variety of soils, including loam, acidic soil, sandy soil, and clay-based soil. This tree tolerates wet conditions better than most pines, but it also withstands a certain amount of drought. However, it doesn’t do well in soil with a high pH level. Slash pine trees need at least four hours of direct sunlight per day. Fertilize newly planted trees using a slow-release, general-purpose fertilizer that won’t burn the sensitive roots. A regular balanced fertilizer with an NPK ratio of 10-10-10 is fine once the tree is a couple of years old. Slash pine trees also benefit from a layer of mulch around the base, which keeps weeds in check and helps keep the soil evenly moist. Mulch should be replaced as it deteriorates or blows away.
