Pin oak, birch and other plants may exhibit yellowish leaves by early summer. A closer examination of these leaves may show while most of each leaf is yellowish-green, the veins are still green. This ...

Abiotic problems can be just as hazardous to plant life as disease and insect pests. Last week I wrote about the widespread concern over fungal rust in ash trees. This week’s popular question focuses ...

Recently I checked my answering machine to find this message "What is happening to all the maples in Sioux City? They are yellow and little crumbs of sawdust are on the patio furniture." My initial ...