Protect Spruce, Ponderosa, and Austrian Pine Trees Now A recent 9New report states that two years of winter drought are starting to take its toll on Spruce, Ponderosa, and Austrian trees growing in the Denver area. On top of that, we had one of the driest Aprils on...
Summer Tree Issues Each August, the arborists at Ross Tree assess summer tree issues they faced in Denver. The tree insect and disease issues we find each summer depend on what happened in the winter and spring seasons. Sometimes Denver has wet winters and springs,...
Taking care of trees makes good economic sense because they are valuable assets that increase the market value of homes. Trees shade homes on a hot day, increase curb appeal and make yards more enjoyable. But are trees worth money? The answer is yes. Tree...
How Do I Keep My Evergreen Trees Healthy In Denver? Ross Tree publishes handbooks on key tree issues common to the Denver area. The Pine Tree Care Handbook identifies pines and other conifers that grow here and the insects and diseases that inflict them. Colorado has...
Each spring is different in Denver. Last year we had a wet spring, and an Elm Leave Beetle infestation occurred. In 2022, we had a dry early spring with little snow; it rained a lot in late May and early June. Tree aphids thrive in these conditions, and these...
The Control of Japanese Beetles You know it is summer in Denver when we start handpicking Japanese Beetles (Popillia japonica) off plants in our yards. The beetles favor roses, grape & Virginia Creeper vines, but the pests are generalists and attack many plants...
