Pinus banksiana'Sparky No. 2' is an irregular dwarf conical selection of Jack pine with short light green foliage that has a slight twist about the stems. After 10 years of growth a specimen will be considered mature at 2.5 feet (80 cm) tall and two-thirds as wide, a growth rate of 3 to 4 inches (7.5 - 10 cm) per year, more upward than outward.
This cultivar originated as a witch's broom found in the late 1989 by Justin “Chub” Harper (1928 – 2009) of Moline, Illinois at a a private farm in Thomson, Illinois. He described the original broom as, "small size, low, compact."
Pinus banksiana 'Sparky No. 2' — an historic photo of the original broom from the Harper archives.
Photo by Justin "Chubb" Harper