This week, we meet Black willow or Salix nigra. The black willow is one of several species of willow in Indiana, but it is the only tree-sized willow in the state. This species has long, narrow leaves ...

Both the underside and the top of the leaves are bright green, making a clear difference between a white and black willow. Willows are a water indicator tree which can be incredibly helpful.

Although when growing in bare areas with few other plants around willow weed will scramble along the ground, it can also grow upright under some conditions such as within crops, becoming competitive ...