Pine trees are hardy evergreens known for their long, needle-like leaves. These coniferous trees produce pine cones that contain pine seeds. Approximately 35 pine tree species grow in the United States.
Scotch pines (Pinus sylvestris) are the most commonly sold trees on Christmas tree lots. Scotch pines have attractive yellowish-green or bluish-green foliage.
The Ponderosa pine tree (Pinus ponderosa) is frequently used in windbreaks. This pine species has narrow leaves that grow up to 8 inches long.
The Black pine tree (Pinus nigra), also called Austrian pine, is commonly used as a landscape tree. This beautiful pine species sports dark green, dense foliage.
Eastern White Pine
Eastern white pines (Pinus strobes) are frequently used by landscapers. Both Michigan and Maine have adopted the eastern white pine as their official state trees.
Red pine trees (Pinus resinosa) are typically grown for timber and used in windbreaks. The red pine has flexible, soft needles and reddish bark.
Bristlecone pines (Pinus aristata), also called hickory pines, are slow-growing and long-lived, reaching ages up to 4,700 years old. This type of pine is commonly used to accent rock gardens.