




Ironwood Earthcare provides tree service in Parker, Colorado: tree removal, tree trimming and pruning, stump grinding, pest and disease control, tree injections, and lawn fertilization and weed control. Founded in 2003 and led by ISA Certified Arborist Derek Stroden, we assess your trees on site and hand you a written quote before any work starts. Call (303) 366-3020.
In July 2026, Douglas County's first confirmed emerald ash borer was found in a Parker homeowner's front yard by a certified arborist, and Colorado State University entomologists confirmed the specimen. The Town's forester describes what happened next as "concentric mapping from this area into neighborhoods."
That is not a warning about something coming. It is a survey of something that is already here, moving outward, one neighborhood at a time. The Town set traps before the find because it already suspected the beetle was in town.
The forester puts it plainly: untreated affected ash have "basically a 100% mortality rate." The beetle has now reached at least 29 Front Range communities, four of them confirmed in 2026 alone.
Ash is the fastest-moving problem in Parker, but it is not the only one, and it does not sit the same way on every street. The lot you own decides which problem is yours.
A home in Clarke Farms sits on a median lot of 5,662 square feet, under mature honey locust and pine. The Pinery medians 15,245 square feet of native pine and ponderosa — nearly three times the ground.
Then there is old Parker. Cottonwood went in during the late 1970s and mid-1980s on spacious lots, a full generation before the subdivision wave. Town-wide the median build year is 2000, which tells you how unusual those older trees actually are.
Stroh Ranch medians 2002 and 6,098 square feet, with the Cherry Creek Trail running through it. Newer lots mean younger trees, and younger trees are the cheapest ones you will ever fix. Early structural pruning costs a fraction of the removal it prevents.
Stonegate spreads across eight subdivisions and 14 miles of trails at a 1996 median. When a whole street was planted in one season, the whole street needs the same work in the same season. One neighbor calling us usually means four should.
★★★★★
"Derek and the crew did an outstanding job removing a massive cottonwood that had been threatening our roof for years. On time, professional, cleaned up every last branch, and charged exactly what they quoted. Won't use anyone else."
— Jennifer M., Aurora, CO · 4.7 stars from nearly 200 Google reviews
Free on-site visit from an ISA Certified Arborist. Written quote first. Nothing is cut and nothing is charged until you approve it.
Most tree companies ask what species you have. In Parker the faster question is which of three properties you own, because that decides what was planted, what is failing, and what to do first. Find yours below.
Where: Cottonwood, the older acreage around the original town core
What went in: shade trees planted a full generation before the subdivision wave, on spacious lots
What is happening now: forty to fifty years of unpruned weight, deadwood high in the crown, and limbs that have outgrown their attachments
First move: crown cleaning and a structural assessment before the next wet snow

Where: Stonegate, Clarke Farms, Stroh Ranch, Canterberry Crossing, Idyllwilde, Bradbury Ranch
What went in: uniform street plantings on small lots — Clarke Farms medians run 5,662 square feet, Stroh Ranch 6,098
What is happening now: whole streets planted in the same season are hitting the same structural backlog at once, and this is where the ash live
First move: an ash inventory of your own lot, then structural pruning to ANSI A300

Where: The Pinery, Pradera, the wooded east side
What went in: nothing. This is native pine and ponderosa on lots that median 15,245 square feet
What is happening now: bark beetle pressure on stressed pines, dead standing fuel, and crowns competing in a stand that was never thinned
First move: stand assessment, hazard-tree identification, and defensible space

A codominant stem is two trunks of similar size competing at one union, usually with bark trapped between them. It is the most common way a healthy-looking Parker shade tree comes apart under snow load. The wood is fine. The attachment is not.
Ash was a default landscape choice across Front Range subdivisions through the 1990s — exactly the decade Stonegate and Clarke Farms went in at a 1996 median. That means the ash on your street are not scattered. They are a cohort.
Here is the honest math. Untreated infested ash dies within three to five years, an emamectin benzoate injection gives roughly two years of protection, and ash less than 40 percent declined respond extremely well. Past that threshold the conversation becomes removal.
Watch for a thinning canopy, D-shaped exit holes in the bark, and S-shaped tunnels underneath it. And do not move firewood, which is how this beetle covers ground it cannot fly.
★★★★★
"I've had three different tree companies out over the years. Ironwood is in a completely different league. They actually diagnosed why my ash tree was declining instead of just guessing. Treated it and it's thriving again. That's expertise you can't fake."
— Robert T., Denver, CO
An ISA Certified Arborist tells you treat or remove, in writing, before you spend anything.
Native ponderosa does not fail the way a planted subdivision tree fails. A stressed pine in an unthinned stand invites bark beetles, and a dead standing pine next to a house is fuel, not just a dead tree.
This is not a local worry. Governor Polis established a Ponderosa Mountain Pine Beetle Task Force, and Douglas County holds a seat on it, after 2025 aerial surveys showed widespread and growing activity.
On a 15,000-square-foot wooded lot, the right first step is rarely a single removal. It is identifying which trees are hazards, which are competing, and which are worth keeping — before anybody starts a saw.
Through Branching Out Parker, the Town reimburses residents for planting trees — up to $300 or 50 percent of purchase plus installation, whichever is less, once a year, for single-family owner-occupied homes.
The part almost nobody reads is the second list. Parker maintains a prohibited species list — trees that "are not well suited for the Parker landscape and will not be approved or considered for reimbursement."
That list is a free forecast. If the Town will not pay you to plant it, that is the Town telling you which species struggle here — and it is worth knowing before you replace anything you take down.
On May 5 and 6, 2026, wet spring snow snapped branches across the Denver metro and Xcel reported outages affecting more than 43,000 customers. Wet snow does not find weak trees at random — it finds deadwood, included bark, and unreduced end weight.
Dead ash goes brittle fast, and brittle wood over a roofline is a different job than live wood. The removal you defer is not the same removal next year — it is harder, slower, and more dangerous to rig.
On a 5,662-square-foot Clarke Farms lot, there is no such thing as a failure that stays on your property. A limb that lands next door becomes a conversation about who knew what, and when. Documented arborist assessment beats a photograph taken afterward.
Tree Removal
When structure is gone, or a dead standing pine is sitting next to your house.
Tree Trimming & Pruning
Structural pruning to ANSI A300 standards, for the subdivision cohort and the old Parker crowns alike.
Tree Injections
Emerald ash borer, iron chlorosis with results in four to six weeks, scale, anthracnose and micronutrient deficiency.
Pest & Disease Control
Bark beetle pressure in the ponderosa stands, and systemic pests in planted landscape trees.
Lawn Fertilization & Weed Control
Turf chemistry and root-zone health are the same conversation as tree health on an irrigated Front Range lot.
Derek Stroden is an ISA Certified Arborist with a B.S. in Forestry from Colorado State University and a Colorado Department of Agriculture Certified Spray Supervisor credential. Certification is the difference between a diagnosis and a guess.
Ironwood has worked Douglas County since 2003, serving 25,000 residential and 1,000 commercial clients at 4.7 stars from nearly 200 Google reviews. We are family-owned and independent — not a franchise, not private-equity backed.
We carry general liability and workers' compensation insurance, and we prune to ANSI A300 standards. We never top trees, because topping trades structure for tidiness and creates the weak attachments that fail later.
One more thing people ask before they call. We do not quote tree work sight unseen, which is exactly why the assessment is free — a real number requires somebody standing under the tree.
Free assessment. Written quote before anyone starts. No obligation, and no charge if you decide not to proceed.
That is your whole job. Tell us the address and roughly what is worrying you.
We look at structure, not just leaves - attachments, deadwood, root zone, and every ash on the lot.
Plain language, in writing, with what is urgent separated from what can wait a season.
Nothing happens until you approve the scope and the number. Cleanup is included.
Yes. In July 2026 the first emerald ash borer in Douglas County was confirmed in Parker, found in a homeowner's front yard by a certified arborist and identified by Colorado State University entomologists. The Town's forester has since described mapping outward from that location in concentric circles into surrounding neighborhoods, and has stated that untreated affected ash have basically a 100% mortality rate. The beetle has now reached at least 29 Front Range communities since arriving in Colorado in 2013, with four Colorado communities confirmed in 2026 alone.
No, and that is the single most useful thing to understand about tree care in Parker. The Pinery sits on a native pine and ponderosa stand with median lots around 15,245 square feet, while subdivision neighborhoods like Clarke Farms median 5,662 square feet of planted landscape trees. Ash borer is the clock in subdivision Parker; bark beetle pressure, dead standing fuel and unthinned stand competition are the issues on wooded lots. The assessment is free either way, and it starts by identifying which Parker you are actually in.
Branching Out Parker is the Town's tree reimbursement program for single-family owner-occupied homes, covering up to $300 or 50 percent of tree purchase plus installation, whichever is less, once per year. What most homeowners miss is that the Town maintains both a recommended species list and a prohibited species list, and prohibited species are described as not well suited for the Parker landscape. If you are replacing a tree you removed, that list is worth reading first, and we will walk through species selection with you during the assessment.
Requirements differ depending on whether the tree sits on private property, in a public right-of-way, or inside an HOA-controlled community, and municipal rules change over time. We confirm the current requirement with the Town before any removal, and we check covenants where an HOA applies, which covers most of Stonegate, Clarke Farms and Stroh Ranch. You should never be the one chasing that answer down, and you should never learn about a requirement after the tree is already on the ground.
That depends on how far the tree has declined. Ash less than 40 percent declined respond extremely well to treatment, an emamectin benzoate trunk injection provides roughly two years of protection per treatment, and untreated infested ash dies within three to five years. An ISA Certified Arborist assesses the actual decline percentage on site and tells you which side of that line your tree is on, in writing, before you spend anything.
An ISA Certified Arborist comes to your property, walks the lot, and evaluates tree structure, deadwood, attachment points, root zone conditions and every ash on the property. You receive the findings in plain language and a written quote that separates what is urgent from what can wait, with no obligation to proceed. Nothing is cut and nothing is charged until you approve both the scope and the number.
No. Topping removes a tree's structure in exchange for a season of tidiness and forces weak, fast regrowth at the cut points, which is what fails in the next heavy snow. All of our pruning follows ANSI A300 standards, which is the national standard for tree care operations. If another company offers to top your tree, that tells you what you need to know about that company.
Yes. Ironwood has served more than 1,000 commercial clients alongside 25,000 residential ones since 2003, including HOA-governed neighborhoods and metro-district common areas of the kind that cover most of Parker's subdivision map. We provide written scopes suitable for board review and covenant compliance, and we coordinate access and scheduling around residents. Call (303) 366-3020 to discuss a community-wide assessment.
The offer is specific. A free on-site assessment by an ISA Certified Arborist, plus a written quote, with no obligation. If the answer is that your trees are fine and need nothing this year, that is the answer you will get.
Know before we cut, know before you pay, no unauthorized extras, your property comes first, cleanup is part of the job. That does not change with the size of the job.
Assessments performed by Derek Stroden, ISA Certified Arborist · Ironwood Earthcare, Inc. · 312 Norfolk St, Unit A, Aurora, CO 80011 · (303) 366-3020 · [email protected] · Monday-Friday 8:00 AM - 5:00 PM, closed Saturday and Sunday.
Tree work goes wrong in predictable ways. A tree that didn't need to come down. A bill that grew after the work started, a lawn torn up by equipment, a pile of debris left behind.
Here's what we commit to on every job, residential and commercial.
Fully insured with general liability and workers' compensation. Your property is covered from the moment we arrive.
