Invasive trees are a threat to rangelands. Early detection is key to rapid response in managing them. The tamarisk tree is ...

If you've had a dry spell or extreme temperatures, this can cause the needles to dry out and brown. The cold can also be an ...

Broadleaf, deciduous trees lose their leaves in the winter to reduce water loss inside the trunk and branches. Most needle-leaved trees, known as conifers, which include pines and spruce, retain ...

Sparse ground cover means the threat of fire is greatly reduced, a danger further lessened by the relative paucity of dead bristlecone needles in a landscape where trees are few and far between.

If you spent your weekend decorating the perfect Christmas tree, you might already have a trail of needles leading in your living room - and you’ll know that your real tree will continue to drop ...

this machine twists and then frosts the PVC needles with a spray of white, latex paint. They use this ring fastener to crimp the artificial foliage together that will be used to cover the tree's ...