Pinus banksiana'Thomson' is a uniform, upright-growing selection of Jack pine with pleasant light green needles and a broad nearly fastigiate branching structure. After 10 years of growth, a mature specimen will stand 30 to 36 inches (75 - 90 cm) tall and wide, a rate of growth of 2.5 to 3 inches (6 - 7.5 cm) per year.
This cultivar originated as a witch's broom found by Randy Dykstra of Fulton, Illinois and Justin "Chub" Harper of Moline while on a broom hunt in Illinois. They found the original broom on State Route 84 North, near the town of Thomson, Illinois. Chub described the broom as, "medium size, very low, flat, open."
Pinus banksiana 'Thomsen' a picture taken in 2000 during the ACS tour of the Harper Collection in Tipton, Michigan.
Photo by Ken Church
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