When considering which plants to grow in your Colorado garden, a lemon tree may not be the first that comes to mind. But Troy ...

Trees and utilities should not mix. Unfortunately, on rare occasion, they do. Trees cause electrical outages or fires by dropping limbs onto electrical cables. Tony Tomeo can be contacted at tonytomeo ...

With no food aid, 65-year-old Saeedah Mohammed heads out with a plastic bag to pick tree leaves near her displacement camp in southern Yemen, before serving them to her grandchildren to stave off ...

Add Yahoo as a preferred source to see more of our stories on Google. Squirrels are causing damage to this live oak. (Courtesy photo) Q: We went out of town last week and came home to find many holes ...

Q: We went out of town last week and came home to find many holes in the leaves of our Nellie R. Stevens holly. Thanks for any advice on how to treat. A: I’m looking closely at your one photo, but the ...

BLD is caused by a nematode, or microscopic worm, that parasitizes the leaves of beech trees. While European beech are often planted as specimen trees, American beech (Fagus grandifolia) makes up ten ...

Welcome back to TechCrunch Mobility, your hub for the future of transportation and now, more than ever, how AI is playing a part. To get this in your inbox, sign up here for free — just click ...

Perhaps you’ve inherited a mature Douglas fir canopy. Or, maybe your garden was sunnier a few years ago, but as nearby trees filled in, the light equation shifted. Many gardeners complain about ...

A leaf may appear to be one of the simplest structures in nature, thin, delicate and easily overlooked. At first glance, it seems far removed from the complex systems that scientists usually describe ...

Oak trees have a surprising trick to fight back against hungry caterpillars: they simply wait. When trees are heavily attacked one year, they delay leaf growth by just three days the next spring—long ...

Writing this, I am experiencing a real dilemma and would welcome any comments or suggestions as to what I need to do. Part way down my rolling backyard sits a huge, old elm tree. It has provided shade ...

If caterpillars have munched through a lot of an oak tree’s leaves one year, then, the following spring, the tree’s buds open three days later. This delay means the caterpillars don’t have food ...