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Ross Tree Company - Denver Colorado
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Pine Tree Care Handbook

Pine Tree Care Handbook

by James Kadlubar | Jun 21, 2022 | Pine Trees, Plant Health Care, Ross Tree Handbook, Tree Health Care, Tree Insect Control

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...
Surprising Rise in Tree Aphids This Summer in Denver

Surprising Rise in Tree Aphids This Summer in Denver

by James Kadlubar | Jun 15, 2022 | Plant Health Care, Tree Health Care, Tree Insect Control

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...
What To Do About Japanese Beetles?

What To Do About Japanese Beetles?

by James Kadlubar | Jun 7, 2022 | Plant Health Care, Tree Health Care, Tree Insect Control

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...
Surprising Rise in Tree Borers this Spring in Denver

Surprising Rise in Tree Borers this Spring in Denver

by David Boswell | Apr 28, 2022 | Emerald Ash Borer, Pine Trees, Plant Health Care, Tree Health Care, Tree Insect Control, tree pruning

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...
Winter Tree Care Handbook

Winter Tree Care Handbook

by David Boswell | Feb 17, 2022 | Fire Blight, Plant Health Care, Tree Health Care, Tree Insect Control, tree pruning

Close of the Year Tree Services Trees are large, tall, and immovable. They have no choice but face what our weather throws at them in the winter. Trees adapt well to cold weather if given time to harden. However, abrupt, unexpected polar plunges and winter droughts in...
Tree Pests to Watch Out for in August in Denver

Tree Pests to Watch Out for in August in Denver

by David Boswell | Aug 25, 2021 | Plant Health Care, Tree Health Care, Tree Insect Control

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...
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