| Description | Jack Pine (Pinus banksiana) is a very hardy pine with little ornamental value but valued for use in the paper-making industry and as lumber. |
|---|---|
| Pronunciation | (PI-nus)(bank-see-A-na) |
| Plant Type | Trees Coniferous |
| Hardiness Zone | (1)2-6 |
| Sunlight | full |
| Moisture | normal to dry |
| Soil & Site | adaptable, growing on the poorest of sandy soils |
| Fruit | The cones are oblong-conical and strongly incurved. It can remain on the tree for a few years and may or may not open until heated by a fire called serotiny. |
| Leaves | Grow in clusters of two, 3/4 to 1 1/4 inches long, start light green, then darken and are shed in their second or third year. |
| Stems | The bark is thin, dull red, dark brown, or gray and divided into narrow, connected ridges. Dead, shrubby branches can stay on the tree for years. |
| Dimensions | A mature tree can reach 70 feet with a trunk diameter of up to 2 feet. |
| Propagation | seeds |
| Cultivar Origin | Introduced prior to 1783. |
| Notes & Reference | #181-Native Trees for North American Landscapes (Guy Sternberg), #184-Michigan Trees (Burton V. Barnes, Warren H. Wagner) |
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