The insects are in their larval stage and appear as little green worms defoliating ash trees. While the damage is generally not severe, their presence indicates homeowners are not treating their ash tree for emerald ash borer, a life-threatening pest. “Strong streams of water will remove the sawfly larvae if they have fallen onto a … Read more
If you’re looking for a unique way to spruce up your home or office, consider incorporating a hanging American mountain ash tree! These gorgeous ornamental trees make for beautiful suspended statement pieces that can completely transform an indoor area In this article, we’ll explore how hanging a mountain ash can freshen up your living spaces … Read more
If you’re interested in planting an American mountain ash tree, its growth rate is likely an important factor in your decision. These lovely trees provide great aesthetic value to landscapes with their showy white flowers in spring and bright red berries in fall. But how fast do they reach mature size? Let’s take a close … Read more
The emerald ash borer may get the most headlines, but a host of diseases and pests can infect, wither, and kill your favorite ash trees. Knowing the symptoms of ash tree diseases can help you spot any problems and know how to treat them. The goal of this article is to help you identify the … Read more
The American mountain ash tree, also known by its scientific name Sorbus americana, is a lovely native tree cherished for its vibrant red berries and brilliant fall foliage. If you’re keen on propagating this ornamental tree, you’re in luck – mountain ash is one of the easier native trees to replicate by cuttings. While seed … Read more
Early detection of infestations can help reduce the spread to other areas. Please report any EAB beetles or tree symptoms you spot at Report a Pest. As a gardening enthusiast, I often come across questions from readers about dealing with pest issues in their landscapes. One common question I receive is how to get rid … Read more
If your plants look stunted and its leaves exhibit chlorosis and lack vigour, yet you’ve done everything right and you can’t figure out why, it’s time to check the roots of your plants. If the roots are knobbly and have galls, you have a case of root knot nematodes in your soil. I have experienced … Read more
Ash trees are one of the most widely planted trees in Colorado. Ashes are tolerant of difficult soils and tough weather conditions. Ash availability, successful planting, and moderate growth rate encouraged the extensive use in the landscape. Many were planted as replacement trees when American elms fell to Dutch elm disease in the early 1970’s. … Read more
European mountain ash, also commonly known as the rowan tree, is a deciduous tree with white flowers but it is grown mostly for its distinctive clusters of red berries that mature in the late summer and persist to add vivid color to a winter landscape. European mountain ash grows best in cool mountainous conditions, and … Read more
The american mountain ash tree, also known by its scientific name Sorbus americana, is a stunning ornamental tree that transforms throughout the seasons. This cold-hardy native species thrives in zones 2-6 across the northeastern United States and southeastern Canada. As a writer and avid gardener, I’m fascinated by the complete life cycle of trees. In … Read more