Plant Health Care

/Plant Health Care

Plant Health Care Acts as Insurance for your Trees

You'll notice, if you've been an ArborScape plant health care customer for a few years, that our service relies a lot on seasonal timing. For example, if you need your crab-apple trimmed we insist you wait until winter, and if you have an IPS beetle problem, then we'll have to treat for that in March [...]

Plant Health Care Acts as Insurance for your Trees2019-05-16T12:45:14-06:00

What are the odds that emerald ash borer emerges in 2019?

I'd say there is a 75% chance that emerald ash borer is detected within the city and county of Denver over the next three seasons and about a 25% chance it's found this year. Every year the odds go up a little bit and would increase even further if Broomfield and Westminster get hit this [...]

What are the odds that emerald ash borer emerges in 2019?2019-04-18T11:17:50-06:00

Deep Root Fertilization Promotes 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 [...]

Deep Root Fertilization Promotes Healthy Trees2019-01-03T16:21:21-06:00

Two Common Species Recommended for Dormant Oil Treatments

Two Common Species Recommended for Dormant Oil Treatments Coming up in 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 oystershell scale on [...]

Two Common Species Recommended for Dormant Oil Treatments2019-02-07T12:54:51-06:00

Why should you water in the winter?

"Why should I bother watering in the winter? Isn't the snowfall enough?" This is a question we hear a good deal from new residents unused to the high plains desert Colorado is largely composed of. Sure, you water in our dry summers, but as the weather turns and the snow begins to fall, you [...]

Why should you water in the winter?2018-07-23T10:33:19-06:00

Canopy management for trees is an effective tool to protect trees & shrubs while lowering costs

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 to [...]

Canopy management for trees is an effective tool to protect trees & shrubs while lowering costs2019-01-24T16:31:23-06:00

Are your trees dying or looking sick? ArborScape can help!

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 [...]

Are your trees dying or looking sick? ArborScape can help!2018-08-20T12:40:59-06:00

Why are root stimulator applications useful in tree care?

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,  [...]

Why are root stimulator applications useful in tree care?2018-09-10T15:33:15-06:00

2018 High Plains Drought Conditions Intensifying

  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. 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 "exceptional [...]

2018 High Plains Drought Conditions Intensifying2018-05-11T15:11:14-06:00

Loveland: Proactive monitoring for EAB

Loveland sets traps to monitor emerald ash borer Each year, for the past seven years, Loveland parks staff have placed traps in strategic areas to monitor whether the emerald ash borer has arrived in the city. Again, 10 traps were being placed Monday. The pest has not been confirmed anywhere in Larimer County, in traps [...]

Loveland: Proactive monitoring for EAB2018-08-24T17:20:53-06:00

More on Hiring a Tree Services Company

Key Questions to Ask When Hiring a Tree Services Company - Part Two Hiring out work on a tree trimming or tree removal project can be intimidating. In the first part of this series we shared questions to ask when evaluating a tree contractor.  Read on for more tips and tricks for making an optimal choice. [...]

More on Hiring a Tree Services Company2018-05-25T15:05:17-06:00

EAB Press Release from Colorado State Forest Service

Apr. 17, 2017 BROOMFIELD, Colo. – Many Coloradans plant trees in the spring because it’s the best time of year to get new trees established, and communities around the state will be hosting plantings this week to recognize Colorado’s Arbor Day – which this year falls on April 21. With the exotic, tree-killing emerald ash [...]

EAB Press Release from Colorado State Forest Service2017-06-06T14:26:21-06:00

About Merit Injection

Merit is a systemic injectible insectiside, 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 [...]

About Merit Injection2017-01-31T16:32:58-06:00

Your August Colorado Insect Checklist

August Colorado Insect checklist of some common insect-related events - Denver, South and East  This is a generalized checklist of when some of the more important insect related events tend to occur in the South and East Counties area. Year to year variations are considerable, and this should only be used as a guideline to anticipate and [...]

Your August Colorado Insect Checklist2017-06-08T14:04:16-06:00

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. Elm leaf beetles [...]

Elm Leaf Beetle Treatment2016-07-07T16:26:21-06:00

Your June Colorado Insect Checklist

June Colorado Insect checklist of some common insect-related events – Denver metro and Boulder, Denver South and East, and West Metro  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 [...]

Your June Colorado Insect Checklist2017-06-06T14:26:22-06:00

Denver Sparks Initiative to Save Local Ash Trees from Emerald Ash Borer

The emerald ash borer (EAB) is a metallic green flying beetle that is known to bore into and kill 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 lost so many trees, and the State of [...]

Denver Sparks Initiative to Save Local Ash Trees from Emerald Ash Borer2017-06-06T14:26:24-06:00

Colorado Hardiness Zones and When to Plant in Colorado

What should you be doing in the yard and garden this month? It's a perpetual question of Colorado gardeners. How do you write a reliable to-do list for Colorado gardens when we can see three seasons in a single weekend — or in a single half-day drive? It might be spring in Fort Collins, still winter in [...]

Colorado Hardiness Zones and When to Plant in Colorado2018-07-03T10:09:16-06:00

Could my Oak tree have 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 pin and Gambrel oaks. Northern Red Oaks often become infested with Kermes scale, in particular, and are [...]

Could my Oak tree have Kermes Scale?2016-07-14T14:48:27-06:00

Lawn Aeration Season in Denver

Lawn aeration season in Denver is upon us again during the next few months. Ever wonder what it entails and why we should use this method? Find out how aeration can help water and nutrient absorption in our weathered, dry and hard local soils. Aeration Breaks Through Denver Soils When we think of Denver soils, it’s [...]

Lawn Aeration Season in Denver2017-06-06T14:26:25-06:00

Does my lawn have 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. via flickr user ~noricum What causes snow mold? It’s a mold we’ve seen more in the Denver area [...]

Does my lawn have Snow Mold?2017-06-06T14:26:25-06:00

Your May Colorado 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 [...]

Your May Colorado Insect Checklist2017-06-06T14:26:25-06:00

Your April Colorado 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 [...]

Your April Colorado Insect Checklist2017-06-06T14:26:25-06:00

Your March Colorado 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 [...]

Your March Colorado Insect Checklist2017-06-06T14:26:25-06:00

Why Hire a Certified Arborist?

Why Should I Hire a Certified Arborist? Why hire a certified arborist? A Certified ISA Arborist goes through stringent training and testing earning the privilege to care for trees for a living, and maintain the requisite business licenses and insurance appropriate to professional practitioners. Certified arborists are trained in the science of tree care, maintenance, [...]

Why Hire a Certified Arborist?2017-06-06T14:26:25-06:00

Fire blight treatment and management

Fire blight treatment and management - Part 3 in ArborScape Blog's series on this disease of fruit trees. Read on for details! Part 1 | Part 2 When your fruit tree has been diagnosed with fire blight by a qualified arborist, you'll usually also be provided with a range of options and course of fire [...]

Fire blight treatment and management2018-08-29T19:01:06-06:00

What are the symptoms of fire blight?

What are the symptoms of fire blight? How is it diagnosed? Part 2 of our series on this serious fruit tree disease - see Part 1 here. Begin watching for fireblight infections in early spring during periods of wet weather. This is when the bacteria begin to produce ooze. Visual symptoms first appear on the [...]

What are the symptoms of fire blight?2018-08-29T18:30:20-06:00

What is Fire Blight?

Fire blight is a bacterial disease that affects certain species in the rose family (Rosaceae). It is especially destructive to apples, pears, and crabapples. The disease also can occur on serviceberries, flowering quinces, cotoneasters, hawthorns, quinces, pyracanthas, blackberries, raspberries, and mountain ashes. Leaves darken and wilt but remain attached to the tree (see above), giving [...]

What is Fire Blight?2018-08-29T18:29:10-06:00

Boulder County puts EAB-killed ash wood to use

Great coverage from KUNC on an uplifting story of lemons to lemonade. As we know, in 2013 the invasive ash pest Emerald Ash Borer was detected in Boulder County - the furthest west this devastating parasite has so far spread. This prompted a quarantine to prevent ash wood from leaving the county and further allowing the spread [...]

Boulder County puts EAB-killed ash wood to use2017-06-06T14:26:26-06:00

Can I skip raking leaves in the fall? Should I?

Have you heard the latest? Turns out you don’t need to rake your leaves anymore!...except that that isn’t necessarily true. ArborScape Blog dissects the hype for reluctant rakers below. 2015 has been the fall for a chorus of sites and sources to rejoice gardeners and ardent landscapers with the refreshing news that not raking is [...]

Can I skip raking leaves in the fall? Should I?2017-06-06T14:26:26-06:00

Cold weather-tough perennials for Colorado landscaping

When our unpredictable, unforgiving winter storms turn our landscapes into stark piles of brush, Colorado gardeners rethink our planting strategies! Here's a list of winter-hardy perennials that can stand a polar vortex or two - along with helpful survival care tips. Part 1 of 2.   Coneflower Coneflower, often called by its scientific name, Echinacea, is an American [...]

Cold weather-tough perennials for Colorado landscaping2017-06-06T14:26:26-06:00

Your November Colorado 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 recognize [...]

Your November Colorado Insect Checklist2017-06-06T14:26:26-06:00

Your October Colorado 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 recognize [...]

Your October Colorado Insect Checklist2017-06-06T14:26:26-06:00

Your September Colorado Insect Checklist

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

Your September Colorado Insect Checklist2017-06-06T14:26:26-06:00

What do you mean, my tree was “frozen”? the November 2014 freeze and landscape damage

skip to: which trees were affected? :|: what should I do now? Seeing brown, silver or dead needles on your conifers? Have you been told by an arborist that your trees or shrubs have “freeze damage”? Read on for an explanation - and steps to take going forward to assist your landscape in recovering. The [...]

What do you mean, my tree was “frozen”? the November 2014 freeze and landscape damage2017-06-06T14:26:26-06:00

Colorado 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 [...]

Colorado July Insect Checklist2017-06-06T14:26:27-06:00

What is Pine Sawfly? (and could it affect my trees?)

What is Pine Sawfly? Evergreen sawflies, in general, are caterpillar-like, sawfly larvae and usually prove common springtime pests. Several species feed on the needles of evergreen trees in groups and can cause extensive defoliation in some years. The adult sawfly is a stingless wasp that causes no harm. Light populations may not cause serious damage, [...]

What is Pine Sawfly? (and could it affect my trees?)2017-06-06T14:26:27-06:00

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 [...]

Lawn Fertilizing Service2015-10-01T14:33:31-06:00

Tree Man Cometh – What to Expect from a Plant Health Care Estimate

People love their lawns and trees and your pride of ownership is what keeps us in business. Because your plant health care (PHC) estimate can be somewhat mind boggling, we put together a short description of a few of the common treatments we often prescribe for Denver tree services. Pre-Emergent Contrary to popular belief, pre-emergent [...]

Tree Man Cometh – What to Expect from a Plant Health Care Estimate2018-08-27T13:37:18-06:00

Deep Root Fertilization and Drought

Colorado is considered rough terrain for plants and wildlife alike.  This is due to our inconsistent climate and tendency to dryness.  Denver has temperatures that range from below zero in the winter,  to 100­°-plus in the summer!  Then dry winds whip across the High Rockies and into the Front Range, leaving only the the hardiest plants [...]

Deep Root Fertilization and Drought2017-06-06T14:26:28-06:00

MPB Slows and Six Links on Pests in Your Tree

  Mountain Pine Beetles are the greatest threat to our Ponderosa and Lodgepole pine forest in the Colorado region. The good news is that in Colorado the pests' destruction seems to be on the decline. Did we find the solution to ridding ourselves of the pest? Not really. Like a barbarian horde, after the pillaging [...]

MPB Slows and Six Links on Pests in Your Tree2017-06-21T15:47:30-06:00

Is Colorado Still in a Drought?

After today’s snow accumulation of 4 inches in south metro Denver and up to a foot in central Denver and the northwest suburbs, you may wonder, is Colorado still in a drought? While it helps this year, mandatory water restrictions are still in effect and are almost certain to remain so in 2013. Droughts are [...]

Is Colorado Still in a Drought?2017-06-06T14:26:29-06:00

Is my tree an ash? Identify an Ash tree in two steps [video]

via Jacy Marmaduke at Coloradoan.com Boulder County is under quarantine, making it illegal to take ash wood outside its boundaries. But it’s not like police officers are hovering around borders to check cars for contraband wood. Eventually, an emerald ash borer will illegally immigrate across county lines and further spread an infestation foresters have branded a "slow-moving natural [...]

Is my tree an ash? Identify an Ash tree in two steps [video]2017-06-06T14:26:33-06:00

Mountain Pine Beetle Evidence from Motorcycle Trip

  Recently I was able to take a motorcycle trip up through the mountains and do a few hikes that allowed me to refresh my spirits. The trip started at highway 285 and headed to Fairplay where I then headed north to the city of Dillon,CO where I then took highway I-70 back to town.  [...]

Mountain Pine Beetle Evidence from Motorcycle Trip2016-07-07T14:18:21-06:00

Colorado and Arborscape Prepare for Emerald Ash Borer

  Here in Colorado, when it comes to pests that devastate our trees, we think of the mountain pine beetle, which has destroyed huge portions of our pine tree-laden mountain landscape, leaving the trees to be fuel for forest fires.  The vast majority of Colorado natives thought the MPB was the most devastating pest that [...]

Colorado and Arborscape Prepare for Emerald Ash Borer2018-08-24T17:09:20-06:00

Identifying Ash Borer

Identifying "clear winged" ash borer. Although we're now faced with the tenacious emerald ash borer, we've had our own Denver ash borer known as lilac /ash borer preying on our Colorado ash trees for some time. While the following tips help you identify ash borer success in your ash tree, it's more helpful to watch [...]

Identifying Ash Borer2017-06-06T14:26:34-06:00

IPS Beetle and Ash Borer

The major threat to your  ash and spruce trees are the ips beetle and ash borer. These nasty little insects could bore your lovely tree to pieces. Fortunately, this can be prevented by applying a protective spray, in April or May, that stops the beetles from destroying your tree. If you decide not to apply [...]

IPS Beetle and Ash Borer2017-06-06T14:26:34-06:00

Proper Bush Pruning Techniques

 While preparing a new page offering our bush trimming services, I came across one of the best articles about proper bush pruning techniques and overall plant health care that we've seen. "Proper pruning enhances the beauty of almost any landscape tree and shrub, while improper pruning can ruin or greatly reduce its landscape potential. In most [...]

Proper Bush Pruning Techniques2015-10-01T14:44:20-06:00

Tree Evaluation Video | (Part 2) – Objective

Matt: Here we are approaching Arvada/Westminster. A commercial client who needs some ways to help their trees thrive. So we' re going to go over there and check it out. Jeff: The objective at this place is to just do all we can to help these trees thrive, in a very negative environment for them. [...]

Tree Evaluation Video | (Part 2) – Objective2017-06-06T14:26:35-06:00

Tree Evaluation Video (Part 1) – The Tree Whisperer

Matt: You'll notice the tree whisperer now getting into his special tree trance. Jeff: We gotta Ips beetle that has killed a spruce. We gotta ash borer that's killed off, most of the ash in there. Just whittled them down to basically to there's no canopy left at all. They have cut all the deadwood [...]

Tree Evaluation Video (Part 1) – The Tree Whisperer2017-06-06T14:26:35-06:00
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