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So far David Merriman has created 247 blog entries.

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

Prevent Garden Hail Damage

Hailstorms are increasingly a fact of life along the Colorado Front Range. The geographical juxtaposition of eastern plains and Front Range, with clashing wind currents from all directions, is a recipe for perfect hail-producing thunderstorms. We frequently deal with sirens, severe-weather warnings and storms producing hail of any size from pea to golf ball from May [...]

Prevent Garden Hail Damage2018-07-19T17:14:15-06:00

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

Arborscape introduces new instant tree quotes app

Ever wanted a quick reference for your tree removal, tree trimming, or other tree services? Curious about how stump removals are priced? We've developed a new instant tree quotes app - four years in the making - to streamline your estimate process - fast and hassle-free. click through to try it out - FreeTreeBids.com [...]

Arborscape introduces new instant tree quotes app2017-06-06T14:26:22-06:00

Troubleshooting Lawn Problems

A lush, healthy lawn is a huge factor in many irresistible landscapes - but spotting and addressing lawn problems can be difficult for even seasoned landscapers.  Read on: our quick tips for troubleshooting lawn problems. Insects Insects are occasionally easy to diagnose -if they’re not evident on the surface, they’re typically visible after rolling back [...]

Troubleshooting Lawn Problems2017-06-06T14:26:22-06:00

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

Littleton Crabapple Trail

Littleton Crabapple Trail 2016 If you live in Littleton or close by, you know one of the highlights of Spring in your neighborhood is the annual explosion of luminous rose crabapple blossom that heralds approaching gardening season. Of course, this spectacular attraction didn’t grow up all by itself - many, if not most, of today’s [...]

Littleton Crabapple Trail2018-03-28T14:39:55-06:00

How to Avoid Lawn Care Scams

There's never a bad time to connect with a reliable, professional lawn company, but of course Spring is prime time - and like any other prime time, scams abound in the industry. Here's our list of tips for how to find a great lawn and landscape service without becoming a ripoff victim. Avoid door-to-door "deals" if at all [...]

How to Avoid Lawn Care Scams2017-06-06T14:26:24-06:00

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

Denver metro resources for storm-damaged tree debris disposal

Many of our Denver-area neighbors may have downed branches in the yard or sidewalk - here's a handy list for major cities detailing how to get branches cleaned up and recycled, and other tree debris disposal.       Need help? Call us at 303-806-TREE or click here to schedule a little assistance with cleanup! City of [...]

Denver metro resources for storm-damaged tree debris disposal2018-07-19T17:14:18-06:00

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

Denver Firewood Sourcing Roundup

Winter’s brought us a lot of ups and downs so far this time around - and a lot of folks who prepared for cold early, seemingly by scarfing up all the available firewood for miles around! Speaking for ArborScape, we’re sadly out of firewood ourselves, with no more available seasoned and for sale until next year. [...]

Denver Firewood Sourcing Roundup2018-07-19T17:14:23-06:00

ArborScape Is Landscape Industry Hidden Gem Again in 2015

We are proud to announce ArborScape has once again earned national recognition as a Landscape Management Industry Hidden Gem, a list from Green Industry Pros. This list includes 45 companies with at least 40% growth in a 6-year period. Although sales growth is a leading factor to place a company on this list, the Green [...]

ArborScape Is Landscape Industry Hidden Gem Again in 20152017-06-06T14:26:25-06:00

Cold weather-tough perennials for Colorado (part 2)

Cold weather-tough perennials. Few folks value them more than Coloradoans do. Part 2 in ArborScape Blog's series on hardy perennial gardening for our Colorado climate landscapes! See part 1 here. For more adventures in cold-tolerant plants, read on. >> Monarda This must-have perennial develops beautiful flowers that are attractive to both gardeners and insects - [...]

Cold weather-tough perennials for Colorado (part 2)2017-07-14T12:03:13-06:00

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

2016 Colorado Notable Trees Calendars are here!

see more at the Colorado Tree Coalition Oct 8, 2015 Of course it's not quite Halloween yet, and most of us wait until holiday shopping-time to start thinking about new calendars - but it'll be no time before there's Jingle Bells in every store! Scoop the rush with these beautiful new Colorado Notable Trees [...]

2016 Colorado Notable Trees Calendars are here!2017-06-06T14:26:26-06:00

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

9 Fantastic Colorado fall color trees and shrubs

Great Fall Color Plants for the Mountain West One major reason we love Colorado living is the magnificent autumn firework display our wealth of trees provides… and the best recipe for brilliant fall foliage color combines warm days, cool nights, and plenty of sunshine -- sound familiar? Try these underused but worthwhile trees and shrubs for [...]

9 Fantastic Colorado fall color trees and shrubs2018-07-19T17:14:26-06:00

Caring for Your Trees During Drought

Protecting and Caring for Your Trees During Drought Colorado is a semi-arid, shortgrass prairie with fluctuating weather patterns and inconsistent climate that makes growing trees challenging.  Drought only compounds the challenges. During times of drought there are several effective watering methods recommended to ensure trees receive the required moisture. When to Water During Drought All [...]

Caring for Your Trees During Drought2018-07-19T17:14:10-06:00

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

Trees on the Roof – of the Courthouse Tower

Friday tree fact: the courthouse tower groves of Greensburg The town of Greensburg, Indiana, is known as the “Tree City” for the over-a-dozen trees that have been growing out of the roof of the Decatur County Courthouse serially for 145 years. (They're believed to have sprouted from seeds in bird droppings.) In 1870, the citizens of Greensburg began [...]

Trees on the Roof – of the Courthouse Tower2018-07-19T17:14:14-06:00

Friday Tree Facts: unique trees of Socotra

Friday Tree Facts - unique trees of Socotra The island of Socotra, situated in the Indian Ocean between Somalia and Yemen,  has been geographically isolated from mainland Africa for the last 6 or 7 million years. Like the Galapagos Islands, this island is teeming with 700 extremely rare species of flora and fauna, a full 1/3 [...]

Friday Tree Facts: unique trees of Socotra2017-06-06T14:26:26-06:00

Friday Tree Fact: Plant Family Values

Studies at McMaster University in Hamilton, Ontario show that plants are capable of recognizing their siblings and will give them preferential treatment, competing less for valuable resources like root space than they otherwise would when surrounded by plants that are "strangers". photo Flickr intherough "Our view of nature is sometimes that nature is [...]

Friday Tree Fact: Plant Family Values2017-06-06T14:26:26-06:00

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

Friday Funfact: the tree that is an entire forest

Seen from a distance, you'd be justified in thinking the Great Banyan Tree in the Acharya Jagadish Chandra Bose Indian Botanic Garden is a small, independent forest.  Yet step into its shade and see the connection of branches -  and you realize: wait, this is all one big, big.....  BIG tree.   from Atlas Obscura: The Great Banyan [...]

Friday Funfact: the tree that is an entire forest2017-06-06T14:26:27-06:00

Friday Funfact: DaVinci’s Tree Theory

page from Da Vinci's notebook 500 years ago, Leonardo Da Vinci observed a simple fact that nobody had apparently ever noticed before: that "all branches of a tree … put together are equal in thickness to its trunk." In other words, if a tree’s branches were folded upward and squeezed together, the tree [...]

Friday Funfact: DaVinci’s Tree Theory2017-06-06T14:26:27-06:00

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

ArborScape Friday tree fact: The Moon Trees

ArborScape Friday Funfact! The Moon Trees In 1971, astronaut Stuart Roosa took 500 seeds aboard Apollo 14 as part of his personal luggage. In his earlier life, Roosa worked for the Forest Service in the early 1950's as a smoke jumper fighting fires and later joined the Air Force and became a test pilot. The [...]

ArborScape Friday tree fact: The Moon Trees2017-06-06T14:26:27-06:00

Summer 2015 Tree Trimming Scam Alert

Friends, neighbors, and followers: We all know that this is high time for home improvements, especially tree trimming and other plant health care treatments - and of course, where there’s plentiful activity, there are parasites who take advantage of the bustle.   Here’s a heads-up on the latest tree trimming scam we’ve noticed sweeping the [...]

Summer 2015 Tree Trimming Scam Alert2018-07-19T17:14:27-06:00

Snowstorm Tree Damage Cleanup Tips, Spring 2017

Trees damaged from Spring snowstorms? March and April are still our snowiest months here in Colorado, and we can expect quite a bit more of our usual heavy snow Spring storms with the incidental challenge of snowstorm tree damage cleanup! If you’re working on clearing away, here are some updated guidelines and regulations from Denver Department [...]

Snowstorm Tree Damage Cleanup Tips, Spring 20172017-06-06T14:26:27-06:00

10 more backyard celebration landscaping tips

    It’s time once again for backyard landscaping and décor! Whether it be a graduation party, prom party, or a wedding, if you’ve never tried your hand at a DIY outdoor occasion, you’ll be happily surprised at how rewarding it can be - not to mention how much money you’ll save. And it’s a great excuse [...]

10 more backyard celebration landscaping tips2017-07-19T13:30:16-06:00

5 landscape design tips for best home energy efficiency

  Home energy efficiency landscaping is much more than an expense toward the eye appeal of your surroundings - it’s an investment in your future property value, as well as your comfort. Thoughtful landscape planning can actually generate value in excess of its initial expenditure by decreasing the expense of heating and cooling. Proper use of [...]

5 landscape design tips for best home energy efficiency2016-07-26T14:53:16-06:00

Announcing the 2015 Colorado Arbor Day Poster Contest Winner!

The winner of this year's Colorado Arbor Day Poster Contest, co-sponsored by ArborScape and the Colorado Tree Coalition, is Steck Elementary’s Nick Babiak.  Nick’s poster, on the theme Celebrate Trees in our Community, along with all winning posters from each school, will be on display at the state Capitol Building beginning Monday the 27th and extending through [...]

Announcing the 2015 Colorado Arbor Day Poster Contest Winner!2016-07-26T15:46:35-06:00

Drought Preparedness and Drought Remedies

As climate change accelerates, it's important to understand the ramifications of drought, as well as treatment options for your lawn and trees. According to the UCS, "Individual drought periods can be understood as discrete weather events. Climate changes occur over longer periods and can be observed as changes in the patterns of weather events. For instance, [...]

Drought Preparedness and Drought Remedies2017-06-06T14:26:27-06:00

ArborScape announces online EAB cost calculator

In an effort to promote awareness of the latest threat to our urban and wild forests, ArborScape has developed an Emerald Ash Borer cost calculator. This web-based application provides ash tree owners and caretakers a local, simple-to-use tool to help manage their ash trees into the future.   Emerald Ash Borer (EAB) was found in Boulder, [...]

ArborScape announces online EAB cost calculator2017-06-06T14:26:27-06:00

New: Colorado Champion Trees, tree tours, and new tree finder app

    A notable tree is one that is remarkable or distinguished in some way, or one that’s related to a famous or historical person, place, or event. A tree might also be notable if the surrounding community accepts it as being special, based upon its species, uniqueness, or contribution to Notable Tree Tours (pdf) Boulder Colorado [...]

New: Colorado Champion Trees, tree tours, and new tree finder app2017-06-06T14:26:27-06:00
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