Asheville arborists since 2009
ISA certified arborists who prune to standard, assess risk to a published method, save what can be saved and remove the rest with care across the Blue Ridge.
A300 Part 1
Every estimate we write names the pruning type, the objective and the dose. "Trim the tree" is not a specification. These are the types defined in the ANSI A300 Part 1 standard, in the words we use on paper.
Timing and vectors
Pruning windows are not preference. A fresh cut on a red oak in May is an invitation to a beetle carrying oak wilt spores. We schedule by species, not by whoever called first.
| Species | Prune | Avoid | Vector to keep out of the wound |
|---|---|---|---|
| White and red oaksQuercus alba, Q. rubra | November to February, fully dormant | April 1 to July 31 | Oak wilt (Bretziella fagacearum), carried to fresh wounds by sap-feeding nitidulid beetles and spread tree to tree through grafted rootsStorm wounds in the growing season get a wound dressing within 15 minutes, which is the one case where dressing is justified. |
| American elmUlmus americana | December to February | Mid-April through August | Dutch elm disease (Ophiostoma novo-ulmi), vectored by native and European elm bark beetles that breed in fresh cut elm woodElm brush is chipped or removed the same day. Stacked elm logs with bark on become a beetle nursery. |
| Eastern hemlockTsuga canadensis | Light pruning any month; treat rather than prune | Heavy crown work on infested trees | Hemlock woolly adelgid (Adelges tsugae), spread by wind, birds and moved nursery stockSoil-applied imidacloprid or trunk-injected dinotefuran works best while the tree still holds half its needles. |
| Flowering dogwoodCornus florida | Late winter, before bud break | Wet spring weather | Dogwood anthracnose (Discula destructiva), which moves in cool wet conditions from lower leaves upwardImproving airflow beats spraying. Never prune a dogwood on a wet day. |
| Black walnutJuglans nigra | Dormant season only | Moving unprocessed wood out of county | Thousand cankers disease, carried by the walnut twig beetle in firewood and log movementWalnut wood stays on site or goes to a local mill. It does not ride in the back of the truck to another county. |
| American beechFagus grandifolia | Dormant season, minimal cuts | Routine thinning of symptomatic trees | Beech leaf disease, associated with the nematode Litylenchus crenatae mccannii, now confirmed in the regionWe record striped leaf banding on every beech we visit so owners can see the change year over year. |
| White pinePinus strobus | Late winter for structure, summer for clearance | Heavy cuts in spring sap flow | Southern pine beetle and Ips engraver beetles, attracted to the resin volatiles of freshly wounded stressed pinesLook for popcorn-sized pitch tubes on the bark before deciding anything about a struggling pine. |
Windows reflect regional practice for Western North Carolina. A storm does not read the calendar, so emergency work happens whenever it has to, with wound dressing on oaks.
A Level 2 basic assessment asks three questions in order, then reads the answer off two matrices. It is the ISA TRAQ method, and it is why two leaning trees can get completely different recommendations.
Cables and braces buy years for the right defect and do nothing at all for the wrong one. This is the shortlist our assessors work through before anyone writes a removal.
Two stems of similar diameter with bark pinched between them, joining below half the tree's height.
Dynamic cabling at two thirds the height above the union, plus reduction of the heavier stem. Inspect annually.
A crack that passes through the union and continues down the trunk, often with a seam of callus on either side.
A cracked union has already failed internally. Cables hold position, they do not rejoin wood.
Measured by resistance drilling or sonic tomography, with sound residual wall thickness all around.
Keep the residual wall above roughly one third of the stem radius. Re-measure every two to three years.
Thin residual wall, often with an open face and a hollow that sounds drum-like under a mallet.
Wall thickness below the working rule of thumb, with a high-occupancy target beneath.
Heaving soil, a mounded arc opposite the lean, or roots visibly tearing at the plate margin.
Root plate movement is a failure in progress. Bracing the crown does nothing for a failed anchorage.
A long horizontal limb with all its foliage at the tip and no decay found at the attachment.
Reduction of the end weight, sometimes with a brace rod through the attachment if the union is weak.
Dieback from the top down over two or more seasons, fine twigs brittle, no epicormic response.
A tree that has stopped responding is not going to be pruned back into health.
Conks, brackets or a ring of mushrooms at the root flare, which indicate decay where it matters most.
Root and butt decay is the hardest to see and the least forgiving. It is not a cabling problem.
Critical root zone
Protection radius in feet is roughly 1 to 1.5 ft for every inch of trunk diameter at breast height (DBH, measured at 4.5 ft).
A 24 in. white oak gets a fence at 24 to 36 ft from the trunk. The fence goes up before the first machine arrives, not after the footing is dug.
No spoil piles, no washout, no parking, no material storage. Compaction to 6 in. depth is enough to close the pore space that fine roots need.
Trenching through a root plate severs everything in its path. Boring under it at 24 to 36 in. depth leaves the structural roots intact.
Vertical mulching, radial trenching with an air spade and a two-year watering plan. Construction decline usually appears three to five years late.
| Impact | Where the damage starts | What you see later |
|---|---|---|
| Grade change over the roots | 2 in. of added fill | Fine roots suffocate first; decline is slow and often blamed on weather |
| Root severance | Inside 1 ft per in. DBH | Anchorage loss on the cut side, which changes the whole risk picture |
| Soil compaction | Above 1.6 g per cubic cm bulk density | Roots stop growing into the soil, even when it is watered |
| Trunk wounds from equipment | Any bark loss over 25 percent of circumference | Decay entry and a permanent conduction loss |
Three companies told us our 150 year old white oak had to come down. Everett spent an hour with it, found the decay was only in one limb, and cabled the rest. Four winters later it is still shading the whole house.
Denise and Omar Haddad Montford, Asheville, Arborist assessment and cabling
Read all 612 reviewsThree things worth booking ahead, because the right window for each one is narrow.
Bookings for December to February
Structural and reduction pruning while the wood is dormant, the ground is firm and oak wilt is not moving.
Sample offer: scheduling priority for estimates approved before 30 November. No cash value.
Ask about thisTwo-year treatment cycle
Soil or trunk treatment for hemlock woolly adelgid, with a needle-retention photo record each spring.
Sample program terms. Treatment response varies with infestation level and tree condition.
Ask about thisBefore hurricane season
A Level 2 basic assessment of every tree with a target beneath it, written up with a risk rating per tree.
Sample service description. A written assessment is not a guarantee against failure.
Ask about thisThree bases keep drive times short, which is the difference between an estimate this week and one next month.
418 Haywood Road, Suite 2
Chipper, compact loader and the climbing shop. Estimates within Buncombe are usually same week.
Open today 7:00 am - 5:30 pm
Old Charlotte Highway
Where the crane and the forestry mulcher stage for land clearing east of town.
Crew yard, by appointment
Serving Henderson County
Two crews run south three days a week. Storm response covers the county day and night.
Mon, Wed, Fri routing
Crews reach most addresses below within 35 minutes. Storm calls are answered day and night across both counties.
Every town we serveFree, no-pressure estimates
Tell us what you are seeing and we will book a visit. You get a written plan naming the pruning type, the objective and the dose, or an honest reason why the answer is to leave the tree alone.
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