Jack pine is very hardy and well suited to northern climates. It can be used in windbreaks, although it is susceptible to ice storm damage and may be difficult to find in nurseries.
This species is native to the Chicago Region according to Swink and Wilhelm's Plants of the Chicago Region, with updates made according to current research.
All common names:
- Residential and parks
Tree or Plant Type:
- Evergreen (foliage year-round)
- Chicago area,
- North America
- Shade tree,
- Large tree (more than 40 feet),
- medium tree (25-40 feet)
- Full sun (6 hrs direct light daily)
- Zone 2,
- Zone 3,
- Zone 4,
- Zone 5 (Chicago),
- Zone 6
- Acid soil,
- Moist, well-drained soil,
- Sandy soil
- Dry sites,
- Alkaline soil,
- Road salt
- Highly susceptible to ice damage,
- May be difficult to find in nurseries
- Attractive bark
Seasons of Interest:
- early winter,
- late winter,
- early spring,
- mid spring,
- late spring,
- early summer,
- late summer,
- early fall,
- mid fall,
- late fall
Flower Color & Fragrance:
Shape or Form:
- Small mammals,
Tree & Plant Care
Transplants easily, due to a fairly shallow root system.
Avoid wet soils.
Disease, pests, and problems
Windthrow can be a problem due to the shallow root system of this tree.
Not as susceptible to pests as other pines, but sawflies, tussock moth and needle casts are potential problems.
Native geographic location and habitat
Native to Wisconsin, Michigan and Minnesota and northward into Canada.
Bark color and texture
Thin and flaky when young, maturing into thick plates wiht age.
Leaf or needle arrangement, size, shape, and texture
Evergreen needles in bundles of 2; short (3/4 to 2inches long) and slightly twisted.
Flower arrangement, shape, and size
Monoecious, separate male and female flowers. Not ornamentally important.
Fruit, cone, nut, and seed descriptions
Woody cones, 1 to 3 inches long; cones remain closed.