Prominent orange spots that have appeared on the leaves of some of your crab apple and apple trees ... environment within your crab apple or apple tree that is inhospitable to cedar-apple rust.

The rust spreads as the summer continues and by fall most of the infected leaves are dead. This is a serious disease for hollyhocks, but it can be controlled with good plant hygiene.

The problem with cedar apple rust is the infection on apple and crab apple trees. The disease causes round, bright orange 1/4-inch-diameter lesions on the leaves. Severely infected leaves will ...

The fungus that causes cedar-apple rust — so titled because some kinds of junipers are ... A new chapter unfolds when airborne spores land on the leaves of a nearby apple or crabapple tree, ...

Apple leaves will become pale and fall off the tree. Many apple cultivars are resistant to cedar apple rust. Fungicidal sprays may help, but the disease usually does not kill either tree.

Fruit trees will soon bud out. If a tree had a fungal leaf disease last season, and it resulted in severe and early leaf loss, spring is an important time ...

Many of you may be noticing large yellow-orange spots with red borders on the upper sides of your apple tree leaves. If you turn these leaves over you, will see Skip to main content. You have ...

Cedar apple rust is a fungal pathogen that gets its name from a life cycle infecting cedar trees, then plants in the Rose family and back again. This year, spring Cue: Cedar Apple Rust of ...

In this week's Garden Plot, garden editor Mike McGrath gives tips for what to do with fall leaves, how to deal with cedar apple rust and reminds readers to bring houseplants inside. Click to ...