An urban forester explains the root of the problem.

Colorado State Extension says late-winter applications of hort oil are potentially useful against these pests: aphids that ...

At last, slightly longer days and a clock change at the end of the month. Gardens are coming alive again after the cold wet winter and we can hope for warmer days ahead again.Cercis trees, with their ...

Black walnut juglone can stall tomatoes, blueberries, and lilacs. Tolerant stand-ins keep beds green and productive in deep ...

Is it spring yet? The short answer is yes. But some people don't feel spring has fully arrived until late March, or even April. You may consider the average last frost date as the beginning of spring.

There are many factors that affect how well a dogwood tree blooms. Learn seven reasons your dogwood tree might not be ...

Let’s see if that continues this month as we head into spring gardening! March is the time to start your summer vegetable, herb, and flower seeds. Started now, your seedlings will be ready to ...

Research from Oklahoma State University suggests eastern red cedar trees may help ticks and mosquitoes survive longer in ...

Arborists see problems in newly planted trees in NuLu, part of the city's $12 million East Market Streetscape project, and many could need replanting.

These low-maintenance outdoor plants are hardy and even the toughest garden spaces can't kill them. They can survive harsh weather, poor soil, and drought.