Dutch elm disease is on the rise, with forestry crews set to remove seven infected trees in Regina that recently tested ...

A native, century-old elm tree near the Christie Pits neighbourhood – and one of the largest in Toronto – was recently cut down.

One of the largest old elm trees in Toronto — possibly in all of southern Ontario — is on its last legs. But as the city finalizes plans to take down the Barton Avenue landmark next week, a ...

Research suggests new generation of young ash trees showing greater resistance to ash dieback fungus than adult trees.

Each tree that's mapped is measured and its seeds collected, he said. Those seeds will then be passed on to the TSDP for regrowth. One of Davies' summer students is Sam Sedgwick, who's studying toward ...

Whether your favorite tree is in a private garden, on wasteland, in a school playground or on the street, your emotional ...

“I love this tree,” they said. “It had a full canopy of leaves providing shade and shelter for birds and humans, and this year, as you can see, there are no leaves on 95 per cent of it.” ...

Darling-58 sprouts, a transgenic American chestnut created by ESF researchers, grow in a nutrient solution. Darling 54, a ...

Ash trees are fighting back against a disease that has ravaged the British countryside, new scientific evidence shows. When ...