The blue pine is a conifer found in and around South Asia. It was first described by botanist Nathaniel Wallich of the Kolkata Botanical Gardens after whom the binomial name of this tree is given.
|Scientific Name||Pinus wallichiana|
|Other Names||Bhutan pine, Himalayan pine, Himalayan blue pine, Himalayan white pine, Kail (Hindi), Chilla (Hindi)|
|Identification||Size: 98-164 ft (30-50 m)
Trunk Diameter: Up to a 3.2 ft (1 m) or more
Needles (Leaves): Arranged in fascicles of 5, about 4.72-7in (12-18 cm) long, flexible, blue-green in color
Bark: Smooth on young trees but become fissured as they age
Cones: Long, slender, yellow-buff at maturity, 6.3-12.6 in (16-32 cm), have thin scales
Seeds: 0.20-0.24 in (5-6 mm) in length with a 0.79-1.18 in (20-30 mm) wing
|Distribution||From Afghanistan through Pakistan into India continuing to Tibet, Nepal, Bhutan into Myanmar|
|Habitat||Grows at 5,905-14,107 ft (1,800-4,300 m) in a temperate|
|Lifespan||Oldest recorded tree is 410 years old|
|Growing Conditions||Summer Conditions: Prefers wet summers
Winter Conditions: Dry winters
Rainfall: 10-80 inches of mean annual rainfall
Light: Full sun
Soil: Well-drained, moist clay or loamy
|Diseases & Pests||Cones and seeds susceptible to Dioryctria abietella, bark beetles, Bliston regalis, brown-needle disease and Dothistroma needle blight|
|Seedling Development||Seeds easily germinate and grow|
|Wildlife Value||Many birds nest in this tree|
|Uses||Wood used as firewood but gives off a pungent smoke, it is also a source of tar and turpentine, the latter being a vermifuge, diuretic, antiseptic, and rubefacient, which are medicinal qualities; used as an ornamental tree to augment the aesthetics of gardens|
|IUCN Conservation Status||Least Concern|
- The blue pine tree has a high level of resistance to air pollution, being able to withstand it much better than most other coniferous trees.
- In the US, the blue pine can be grown well in places like Roslindale, MA, Lisle, IL, Cincinnati, OH, Ogden, UT, and Federal Way, WA among others.