Right now, leaves are turning brown and dropping like crazy from crab apple trees all over the city and suburbs, prompting panic-stricken homeowners to tie up phone lines at tree care companies ...

My flowering crabapple has some funny-looking branches on it now. The branches have brown leaves that appear to have dried up at the ends and are not falling off the tree. What is happening and wha… ...

Apples, pears, crabapples, and even some ornamentals are infected by fire blight, a destructive bacterial disease.

Spring hailstorms that damaged trees along the Front Range made it easy for fire blight to cause a large number of trees to ooze and develop dark cankers.

Resistant pears include Kieffer, Magness, Moonglow, and Old Home. Many new crabapple varieties are also resistant to fire blight. Prune and discard infected twigs and branches with cankers.

Beauty aside, crab apple trees do have some disease issues, including fire blight, apple scab, rust and powdery mildew. Therefore, cultivar selection is important.

University of Nevada Cooperative Extension is holding its annual horticulture classes for those wanting to volunteer as ...

This disease is most often a problem for pears and apple trees, but it affects more than 200 species of plants in the Rosacea and Rubus families including crab apple, hawthorn, mountain ash and ...

Q: Leaves on my flowering crabapple tree have suddenly turned brown looking as if they have been torched. Several of the affected branch tips have curved downwards. It seems to ...

The city of Pasco will be removing about 110 Spring Snow Crabapple trees from west Pasco. The trees all have fire blight, a destructive, bacteria-caused disease that can be spread by bees ...

Fire blight infections, such as this canker on a crabapple branch, must be pruned out for the tree to survive. Pruning should take place 12-15 inches away from visible canker symptoms.

While the ornamental crabapple tree is a common landscaping choice for homeowners, with beautiful blooms in the spring, it is not unusual for trees to fall prey to an array of diseases and pests ...