Tree Service in Franklin County, WA

Nothing in Franklin County grows tall on its own. This is shrub-steppe over basalt and windblown silt in one of the driest corners of the state, and the shade in Pasco, Connell and Mesa exists because somebody planted it and has kept water on it ever since. The nearest thing to a native forest is the western juniper out in the dunes northeast of town, and that is wilderness, not a work site.

A Canopy That Exists Because of Irrigation

That dependence is the first thing to check when a tree here starts going backwards. A mature street or yard tree set out when the subdivision went in, living on the same lawn irrigation for thirty years, will decline quickly if the sprinklers get reworked, if the lawn goes to rock and drip, or if the field next door comes out of production. Drought stress in the Columbia Basin usually arrives as a maintenance decision somebody made, not as weather.

The species mix is whatever tolerated heat and alkali when these towns grew: Siberian elm, silver maple, honeylocust, green ash, black locust, Lombardy and hybrid poplar, Russian olive, blue spruce, Austrian pine. Several of those are weak-wooded by nature, and the elm and Russian olive seed themselves into every fence line and ditch bank they can reach.

Ash deserves its own paragraph. It makes up a heavy share of street and park planting across the Basin, and the emerald ash borer turning up in the Pacific Northwest has made that concentration a planning question for anyone responsible for a lot of trees. That is an argument for diversifying what goes in next, not for cutting a healthy ash.

Caliche, Alkali and Roots That Never Get Deep

Basin soils frequently carry a cemented lime layer — caliche — not far under the surface, and roots do not go through it. Add alkaline ground, sodium in places, and planting holes cut into compacted subdivision fill, and you get shallow, circling and girdling roots on trees that look perfectly fine from the street. It is the most common structural defect we find on mature yard trees around Pasco, and it stays invisible until somebody digs out the root collar and looks.

It also accounts for a fair share of the whole-tree failures. A root plate spread flat on hardpan, kept soft by lawn irrigation, with a full crown on top of it, is a candidate to go over intact rather than break.

Summer Downbursts, Not Winter Storms

West of the Cascades the failure season is a wet, windy January. Here it is a July afternoon. Downburst wind off a Basin thunderhead hits a crown in full leaf standing in irrigated soil, and the result is torn-out silver maple leaders and split elm forks. There is also the summer limb-drop pattern — hot, still weather, and a large branch on an otherwise sound tree simply lets go. Nobody has a tidy explanation for it. Practically, it means the big shade trees over patios, drive lanes and parking stalls are worth looking at before the hot months rather than after.

North of the Tri-Cities the county changes character completely. Circle irrigation, potato and onion ground, processing plants and rail around Connell, Mesa, Eltopia and Basin City, with poplar and evergreen rows planted for wind and dust rather than shade. Those rows come out on a schedule when they age out, and that work is large, mechanical and planned well in advance — which suits how we operate at this distance.

Where We Work in Franklin County

Pasco, Connell, Mesa and the north-county farm towns each have their own soils, water and tree stock. Choose one below for the specifics.