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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...
Top 5 Spring Tree Care Tips

Top 5 Spring Tree Care Tips

by David Boswell | Apr 5, 2022 | Emerald Ash Borer, Pine Trees, Plant Health Care, Tree Health Care, tree pruning

Early Spring Tree Care Tips To Set Up Yard Trees for a Healthy Growing Season in Denver Spring officially begins in March in Denver, but we might be surprised by polar plunges and snowstorms in April. Trees go into full pitch, sending nutrients to their leaf and...
How To Deal With Cankers On My Honeylocust Trees?

How To Deal With Cankers On My Honeylocust Trees?

by David Boswell | Mar 14, 2022 | Plant Health Care, Tree Health Care, tree pruning, Tree Removal

Honeylocusts Thyronectria Cankers Over the last two years, the drought and polar plunges that have hit Denver have weakened the ability of Honeylocust trees to fight off disease. Thyronectria cankers are notorious for harming and killing Honeylocusts in the Denver...
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