A first-of-its-kind report shows more than 100 native species of trees in the lower 48 states are facing the threat of extinction due to invasive insects, diseases and climate change. A sweeping ...

Dark, thickened stripes between leaf veins are early signs of beech leaf disease Beech leaf disease is the latest in an onslaught of invasive insects and diseases killing trees in the state. A ...

About 12,000 citrus trees in St. Charles Parish are in danger from a tiny insect that carries an incurable disease. Though no cases of citrus greening disease have been reported in the parish and only ...

Table of Contents Introduction Regular Inspections Proper Watering Techniques Mulching Best Practices Pruning Guidelines Seasonal Care Tips Common Mistakes to Avoid When to Call a Professional Caring ...

Tree leaves that look off color or turn tan or brown may be infested with a sap sucking insect or infected with a fungal leaf disease. On samples brought to the extension office and on trees out in ...

More than 36 million trees died across California last year, including 90,000 trees in Southern California’s four national forests, officials announced Tuesday, Feb. 7. The central Sierra Nevada and ...

What a month we have had. Rainfall has been spotty – plentiful in parts of the state but bone dry in others. A rain gauge is an important tool in the garden. In addition to rain, many parts of ...

The arrival of new plant pests and diseases is likely to severely damage UK trees and woodlands in the coming decades, new research shows. The ash dieback epidemic prompted the government to assess ...

A sweeping report published in the journal Plants People Planet assessed the health of the 881 tree species in the contiguous U.S. The recently released threat assessment found between 11 and 16 ...