Bark on the jack pine is dark to medium gray, thin and flaky when young and features thick plates in older trees. This tree growth irregularly and can produce between one and three whorls of side ...

a scraggly tree species evolved to require fire to open its cones and regenerate. Foresters use soil-trenching equipment to plant jack pine in a distinctive pattern – high density trees with ...

Here's a summary of our recent research and management activity. 2009-2012: Diversity treatments in jack pine (Baraga Plains: Sections 14, 15, 22) ...