Plant Health Care

Read the latest news from arborscape.com today! We have a blog with helpful tips on tree care, free consultation offer, and more.

Weed Control

Our pre-emergent lawn fertilization round begins March 13th and will be available through April 15th depending on the weather.  Sign up today for the most important fertilizer application of the year. Pre-emergent lawn weed control helps prevent broadleaf weeds before they are established. While labeled a weed killer,  more simply it stops the seeds of …

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Caring for Your Ash Tree

Can My Ash Tree Be Saved From Emerald Ash Borer (EAB)? We’ve Been Getting That Question A Lot Since Emerald Ash Borer Was Detected In Colorado In September Of 2013. The Answer Is Yes. But A More Important Question To Ask Is, Should I Save My Ash Tree? First Some Background. As Of This Writing, The Emerald …

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Winter and EAB

Do emerald ash borers die in winter? This is a good question as it gets to be winter. You may be wondering if your ash tree will be spared because of the emerald ash borer die-off in the winter? The fact is emerald ash borers do not die in winter. They spend the season beneath …

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Zimmerman Pine Moth

Although the Zimmerman Pine Moth isn’t known to cause as much damage as the Mountain Pine Beetle or Emerald Ash Borer, it does have the potential to kill off or injure your pine trees.  If you have a Zimmerman Pine Moth problem the best solution is to have your tree sprayed by a professional. The …

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Cutting Tree Roots

Cutting Tree Roots Impact provides more information about the impact of cutting tree roots on large trees, which is subtle but real. As Parker continues to develop new areas, tree root loss will be a persistent issue. “The effect of the stress of the trees can take from 3-6 years to manifest,” according to the …

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Promote Healthy Trees

Maintaining healthy trees in Colorado weather can be a challenge and Castle Rock has trees worth protecting. One excellent, effective way to keep your trees healthy year round is known as deep root fertilization. Whether you are caring for your homes trees or commercial property trees, this tree fertilization will make the difference in making …

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Dormant Oil Treatment

Two Common Species Recommended for Dormant Oil Treatments Coming up in late winter/early spring, many of our Castle Rock clients schedule dormant oil treatment on their aspen or pine trees. Given these are two key species in our area, dormant oil treatments are key in preventing needle scale on pine trees and oyster shell scale on aspens. …

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Canopy management

Sometimes, it takes extreme weather events to notice our trees. That becomes easier when high wind and storms cause branches to fall, twigs to accumulate, and trunks to topple. It’s at those times when our trees become more noticeable!  While acts of God are an exception rider in our home insurance policies, there are ways …

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about merit injections, on ArborScape Denver Tree Service articles

Are your trees dying?

Are your trees dying or looking sick? The loss of mature trees can add up to ten of thousands of dollars in losses.  ArborScape is a licensed tree spraying company which believes in integrating pest management with a broader program to promote the health of your valuable trees and shrubs.  We offer a free estimate …

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Application of Root Stimulator

Root stimulator applications encourage tree root development but specifically the fine root hair development. A fall application should limit nitrogen as excessive nitrogen can upset the tree’s natural cycle into winter dormancy. The main difference between root stimulator applications and deep root fertilization is that a root stimulator uses little to no iron and nitrogen.  In certain situations,  …

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Lawn isolated brown spots

What to do about ring spots on your lawn? This time of year, you may be noticing the development of rings or dollar-sized brown spots on your lawn. This is referred to as ring spot or dollar spot and more formally as Necrotic ring spot (NRS). NRS is a disease of lawns that creates dollar-coined-sized or …

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2018 High Plains Drought Conditions Intensifying on ArborScape Denver Tree Service tree care blog

Drought Conditions

  Drought is tightening its grip across the Southwest and High Plains regions as extreme-dry conditions spread throughout the area, per NOAA’s High Plains Regional Climate Center data released May 8th, 2018 On the southern high plains, Oklahoma remains ground zero for the worst drought conditions in the United States; about 20 percent of the state is facing …

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about merit injections, on ArborScape Denver Tree Service articles

About Merit Injection

Merit is a systemic injectible insecticide, best done in spring or fall for season-long control of leaf- and needle-feeding insects, bronze Birch borer, and is effective in controlling Emerald Ash Borer when the pest population is low. Merit is based on the insecticide Imidacloprid, used to help control pests and insects on trees. It is applied …

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ArborScape Denver Premier Tree Trimming and Tree Removal Service 2016 Emerald Ash Borer Roundup

Emerald Ash Roundup

As we know, the devastating, invasive parasite Emerald Ash Borer has been making relentless inroads in the midwest throughout 2016.  Following are updates to round out the year in the news.    Do you have concerns about your Ash tree? We’ll be happy to come out and assess it for you at no cost – …

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Elm Leaf Beetle Treatment - ArborScape Denver Tree Service blog

Elm Leaf Beetle

Elm Leaf Beetle Treatment Elm leaf beetles can be serious pests of elm trees throughout Colorado. These insects feed on elm leaves and cause them to dry up and die. This gives heavily infested trees an unsightly, general brown color. Repeated injuries also weaken trees and make them prone to branch dieback and wind injury. …

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ArborScape Denver Premier Tree Trimming and Tree Removal Service 2016 Emerald Ash Borer Roundup

Local Ash Trees

Initiative to Save Local Ash Trees The emerald ash borer (EAB) is a metallic green flying beetle that is known to bore into and kills ash trees it infests. With Boulder’s outbreak of emerald ash borer back in 2013, the devastating spread of infestation has caused massive numbers of ash tree deaths. Since Boulder has …

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Kermes Scale

Is your Oak tree looking sick, scraggly, droopy, or all of the above? It could be due to the insect Kermes scale. What’s that? Kermes scale is an insect pest of red and white oak trees, as well as the pin and Gambrel oaks. Northern Red Oaks often become infested with the Kermes scale, in particular, …

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Snow Mold

Snow mold is a fungus that grows on your lawn. This year our Denver neighbors see more of this fungal foe. If you notice discolored, matted-down patches of lawn, it may be snow mold.   What causes snow mold? It’s a mold we’ve seen more in the Denver area this year. Plantalk tells us that snow …

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May Insect Checklist

May Colorado Insect checklist of some common insect-related events – Denver metro and Boulder, Denver South, and East  This is a generalized checklist of when some of the more important insect-related events tend to occur in our area. Year-to-year variations are considerable – this should be used as a guideline to anticipate and help recognize common insect …

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April Insect Checklist

April Colorado Insect checklist of some common insect-related events – Denver metro and Boulder, Denver South, and East  This is a generalized checklist of when some of the more important insect-related events tend to occur in our area. Year-to-year variations are considerable – this should be used as a guideline to anticipate and help recognize common insect …

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March Insect Checklist

March Colorado Insect checklist of some common insect-related events – Denver metro and Boulder, Denver South, and East  This is a generalized checklist of when some of the more important insect-related events tend to occur in our area. Year-to-year variations are considerable – this should be used as a guideline to anticipate and help recognize common insect …

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Nov Insect Checklist

November Colorado Insect checklist of some common insect-related events – Denver metro and Boulder, Denver South, and East    This is a generalized checklist of when some of the more important insect-related events tend to occur in our area. Year-to-year variations are considerable, and this should be used as a guideline to anticipate and help …

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October Insect Checklist

October Colorado Insect checklist of some common insect-related events – Denver metro and Boulder, Denver South, and East    This is a generalized checklist of when some of the more important insect-related events tend to occur in our area. Year-to-year variations are considerable, and this should be used as a guideline to anticipate and help …

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July Insect Checklist

CHECKLIST OF COMMON INSECT-RELATED EVENTS – Metro Denver/Boulder Area This is a generalized checklist of when some of the more important insect-related events tend to occur in the Central, South, and East Counties areas. Year-to-year variations are considerable and this should only be used as a guideline to anticipate and help recognize common insect occurrences. …

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Lawn Fertilizing Service

When is Lawn Fertilizing Service Effective? Lawn fertilizing service is effective in many circumstances. Time limitations, extenuating circumstances, and an unhealthy-looking lawn are just a few times when you can use a little help from a lawn fertilizing service to care for your yard when you cannot. 1) When There Isn’t Time to Fertilize Your …

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