Blackjack is almost always a resident of well-drained sands, whereas water oak can tolerate wet soils, even temporarily flooded, so there’s the habitat difference.

In this edition of ID That Tree, we’re going to introduce you to a native Indiana oak species, and that’s blackjack oak. It can be found in high, dry, rocky ridges where soil moister is limited. It ...

For unauthorized removals of post oak or blackjack oak trees, offenders will face a $720 fine per diameter inch or $18 per canopy square foot, replacing the previous $600 per inch or $15 per ...

For unauthorized removals of post oak or blackjack oak trees, offenders will face a $720 fine per inch or $18 per square foot, replacing the original $600 fine per inch or $15 per square foot.