I do not see many horse chestnuts in home landscapes and your tree is a beautiful specimen. It appears that your tree is suffering from a common fungal disease called horse chestnut leaf blotch.

Cameraria ohridella, an invasive moth species, has emerged as a significant pest affecting horse chestnut trees (Aesculus hippocastanum) across Europe. The larvae of this leaf miner penetrate and feed ...

Sunlight filtered through the overstory of a thick Pennsylvania forest and a few rays fell upon the long, serrated leaves of the American chestnut trees down below. The higher Mike Manes, 78, hiked, ...

All over eastern North America right now, chestnut breeders are pollinating tree flowers. "So here is actually some flowers," Retired forester John Scrivani explains. They’re beautiful. "And they’re ...

Courtney Streett (right foreground) gazes up at the American chestnut tree in Delaware with other hikers as guide Joe Sebastiani (gray baseball cap) gives a tutorial. (Cris Barrish/WHYY) Octogenarian ...

CENTREVILLE, Del. (AP) — After the species was devastated by an Asian blight in the early 20th century, a single American chestnut tree in Centreville has been deemed a “precious resource” by the ...

After the species was devastated by an Asian blight in the early 20th century, a single American chestnut tree in Centreville has been deemed a “precious resource” by the Delaware Nature Society. Jim ...

It is an exciting time in the field of conservation and biotechnology. For the first time, it appears likely that a tree that has been developed with genetic engineering (GE) could be approved by U.S.