Red maple is another tree that shows signs of chlorosis when planted in high-pH, clay soils. The affected leaves can be stunted and have browning along the edges.

“What is wrong with my birch tree? I am seeing some odd-looking patches on the leaves.” — Deb Schultz, Evanston The pinkish-red spots on your birch’s leaves appear to be erineum patches ...

Characteristics of North American Birch Trees Birch species are generally small- or medium-sized trees or large shrubs, mostly found in northern temperate climates in Asia, Europe, and North America.

Birch trees want cool, moist soil and sunlight on their leaves. East and north sides of homes where the building provides afternoon shade are usually best. The worst site is in full, hot sun.

Also do not prune in spring, as it will actively harm birch trees. ‘They are pumping materials through the xylem (and phloem), if pruned, they will “bleed” excessively, potentially attracting disease ...

River birch is a tough and adaptable native tree that is also a popular landscape plant throughout the south. If you notice some of the leaves on your river birch have ... brown, red, or black, as ...

It’s the time of year when yellownecked caterpillars will soon engulf unprotected river birch trees. These pests also feed on blueberry, hickory, maple and oaks, but I have only seen ...

Look for the emergence of chartreuse, red and yellowish leaves in oaks, maples, willows and ash trees, along with sprinkles of white blossoms from plum trees and other wild fruits. Here are some ...

Q. I have a clump birch that was planted in 1991. It has grown beautifully until this year. Long "seed worms" developed on two trunks, then shriveled up and now there are dead leaves on some of ...

Larvae of the leaf beetle Chrysomela lapponica attack two tree species: willow and birch. To fend off predator attacks, their larvae produce toxic butyric acid esters or salicylaldehyde, whose ...