Botanical Name: Pinus pineaCommon Name(s): Blue Pine TreesDescription: The stone pine is a coniferous evergreen tree that can exceed 25 metres (80 feet) in height, but 12Ð20 m (40Ð65 ft) is more typical. In youth, it is a bushy globe; in mid-age, an umbrella canopy on a thick trunk; and, in maturity, a broad and flat crown over 8 m (26 ft) in width. The bark is thick, red-brown, and deeply fissured into broad vertical plates.Light Requirements: Bright light, some direct sun acceptableWatering Requirements: Water when top 2-3 inches of soil are drySuitable for: Bright living rooms, offices, and sunny windowsills.Extra details: Average mature size: 4-10+ feet indoors.Fun Fact: Traditionally used in Mediterranean cuisine, the seeds of the Italian Stone Pine (Pinus pinea) are known as pine nuts and are a key ingredient in pesto.