Some fruit trees are notorious for producing a big crop one year and a much smaller crop the next. Here's what to know and ...

A new multi-institutional study will develop and evaluate systems that deliver treatments to trees affected by citrus greening disease.

Hotspots for the conservation of maire tawake or swamp maire in the Wellington region have been identified by researchers ...

Charles LaCalle, a resident of Santa Fe’s South Capitol neighborhood, labored hard hoping to rescue the fir tree in his front yard from an aggressive outbreak of the Douglas-fir tussock moth ...

Some cherry and plum trees in the central Ohio area are turning black from a fungal disease. Here's what you need to know.

In the sweltering heat that descended in recent weeks, I am especially aware of the cooling effect of urban trees. In the ...

In heavily affected areas, up to 30% of beech trees are killed within seven years of contracting beech leaf disease.

Parts of the North Cascades and Mount Baker are facing an outbreak of the western spruce budworm, aerial surveys reveal. The ...

Now, hope is budding on an unlikely branch: a 30-year-old tree named Donaldson, growing on a research farm near Groveland.

DNA sequencing shows young trees are more likely to have gene variants that confer partial resistance to a fungus that has ...

Trees provide essential structure while adding their own unique beauty to the landscape. Discover gorgeous flowering trees ...

As property owners and state foresters across Northeast Michigan continue to remove damaged or downed trees this summer from ...