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...
Ross Tree has noticed infestations of tree borers in the field this spring in both conifers and hardwoods. Our certified arborists believe that winter droughts in the Denver area create stress making trees easy targets for these insects. It is extremely dry in Denver...
This August, two tree pests are having a field day in Denver – the Elm Leaf Beetle and the Honeylocust Spider Mite. Our wet spring set up conditions for the Elm Leaf Beetle to thrive and attack Elms across the city. Consecutive 90 degree days this summer is...
Summer Tree Care Tips As Ross Tree’s General Manager explains in the video below, summer is an excellent time to get your trees ready to withstand Denver’s unpredictable weather. He recommends increasing deep rooting feeding to at least two times during...
Systemic Tree Injections Ross Tree, a leading innovator in tree insect control, recommends tree systemic injections to control tree insects. We were the first tree company in Denver to offer tree injections, a practicable alternative to spraying trees. Using...
Elm Leaf Pests Homeowners should know that Elms growing in Denver need additional attention. The City has Elm leave pests that feed on elm leaves, causing them to dry up and die. Heavily infested trees are unsightly with brown and skeletonized leaves. Repeated...
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