This makes mature river birch trees relatively drought-tolerant which is unique among birch varieties. The river birch prefers acidic soil, and can develop iron deficiency if the soil’s pH is ...

We are seeing river birch trees whose branches have died from the top down. Up to half of the tree or more may not be leafing out. In most cases, the cause of river birch dieback this year is ...

River birch: extensive dead branches at the top of the canopy. Spruce: purpling of needles, extensive dead branches throughout a tree, death of the tree’s top section or complete tree death.

Drought-tolerant trees still need to be watered, she said. ... One example of a hardy tree is Dura heat river birch, developed to better withstand heat and drought, she said.

Some trees in the Chicago region seem to be dropping leaves earlier than usual. The culprit is the severe drought that has taken hold in much of the state since late May. On top of the most recent ...