As beautiful as they are, older varieties of crabapple are susceptible to several nasty diseases and two cause early leaf drop: Apple scab and cedar-apple rust. If either is the culprit ...

Similar diseases called cedar-quince rust and cedar-hawthorn rust affect ... “If you have an apple or crabapple tree that gets ugly every year because of disease, it may be worth your while ...

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 ...

Cedar hawthorn rust alternate hosts are junipers (primarily Eastern red cedar) and hawthorn, apple, crabapple, serviceberry, quince, and pear. The symptoms of the deciduous plants are leaf spots ...

Appropriately called cedar-apple rust, the disease requires a juniper species, also called red cedar, and an apple, crabapple or hawthorn to be within about a mile of each other. The odd-looking ...

A more effective offensive might be to create an environment within your crab apple or apple tree that is inhospitable to cedar-apple rust. Give trees a sunny site and prune to expose branches to ...

Cedars and junipers don't need to be sprayed.Cedar-apple rust resistant varieties of apple and crab apple are available. Ask for these at local nurseries.I told you it was an interesting life cycle.

Cedars and junipers do not need to be sprayed. It is possible to plant cedar-apple rust resistant varieties of apple and crabapple. Ask for these at your local nurseries. Didn’t I tell you it ...

Rust fungi bounce back and forth between these two different host plants, spending part of the year inside certain rose family species (like serviceberry, hawthorn, crabapple, and apple), and the ...

Crabapple branches drenched in white ... are generally susceptible to fire blight, powdery mildew, cedar apple rust and scab diseases. A tree with splotched, curled or dead leaves is not a ...

Cedar-apple rust is one of several plant diseases that ... round berries become spiny and discolored. On apple and crab apple leaves you might find little jellyfish-like tendrils that are spore ...