by David Boswell | Apr 1, 2021 | Plant Health Care, Tree Health Care, Tree Insect Control
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 service company in Denver to offer tree injections, a practicable alternative to spraying trees. Using...
by James Kadlubar | Mar 22, 2021 | Plant Health Care
How to Care For Your Aspen Trees Colorado has a higher percentage of the species growing within its borders than any other state. Aspens thrive in higher elevations. Planting these trees in Denver with our heavy clay soils and hot lowland weather takes its toll,...
by James Kadlubar | Feb 24, 2021 | Plant Health Care, Tree Health Care, Tree Insect Control
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...
by James Kadlubar | Dec 18, 2020 | Plant Health Care
An Introduction to Horticultural Oils Dormant and horticultural oils are effective against exposed tree insect eggs, larvae, pupae, and adults. Dormant oils are sprayed on trees in the winter before their buds open in the spring. In Denver, these oils can be used in...
by David Boswell | Oct 7, 2020 | Plant Health Care, Tree Health Care, tree pruning
It’s a common misconception that winter tree pruning is not recommended, and tree service companies close down in the winter. Ross Tree operates twelve months of the year and provides tree services throughout the Denver area during the winter. For many...
by James Kadlubar | Sep 24, 2020 | Plant Health Care, Tree Insect Control
The best time to check for Mountain Pine Beetle (MPB) infestation is in winter. Check for “pitch tubes” on the trunks of your trees. The tree forms these tubes in its attempt to flush out the intrusive beetles. If you see some, use a hatchet to cut off a...
