A slow river and old flood channels
Hydroseeding in Tualatin, OR
Named for a river that likely means sluggish, beside the largest floodplain of any Willamette tributary.
- No-cost site visit, then a quote in writing
- Seeding planned around the Willamette Valley rain calendar
- Silt fence and stabilization installed to your approved erosion plan
Seeding Along a Slow River
Hydroseeding in Tualatin is tied to the river the city is named for. The Tualatin River runs along most of the city's northern boundary, and its name probably comes from a word meaning lazy or sluggish. From Cherry Grove to its mouth the river drops only about 220 feet in 68 miles, and its floodplain is the largest of any Willamette tributary.
Floodplain yards
Slow water means wide, flat bottomland that floods and drains slowly. On lots near the river or Fanno Creek, which joins it at the city's edge, we grade so the lawn sheds surface water, keep silt fence on the river side and avoid spraying fresh seed in the low strip during winter high water.
Rocky scablands
The Tualatin River National Wildlife Refuge, which borders the city, includes the Tonquin scablands carved by the Missoula Floods. Scabland ground can be rocky with thin soil. If your lot is on that kind of ground, plan on importing topsoil so a lawn can hold moisture.
Things turn up when you dig
In 1962 a fossil mastodon was excavated where a Fred Meyer parking lot now sits, and in 1972 part of a Harlan's ground sloth skeleton was found near Fanno Creek. Nobody should expect fossils, but it is a reminder that grading here moves old flood and lake deposits.
A river with a pollution history
In 1989 the Tualatin became the first river in Oregon to fail overall pollution limits. Sediment from bare construction ground is part of what agencies try to keep out, so on any lot draining to the river we treat sediment control as part of the job, not an add-on.
Get a free estimate or call (971) 588-2069 about a Tualatin lawn or lot.
Tualatin River Country
- The name. The river's name likely means lazy or sluggish, and the city takes its name from the river.
- Gentle gradient. From Cherry Grove the river falls only about 220 ft over its last 68 miles.
- Scablands. The adjoining wildlife refuge includes the Tonquin scablands created by the Missoula Floods.
- Mastodon dig. A fossil mastodon was excavated in 1962 on ground that later became a Fred Meyer parking lot.
Tualatin Questions
My yard near the river stays wet all winter. What do you suggest?
Grade for surface drainage and seed in spring or early fall, not during high water. In very low spots a wet-tolerant or native mix can beat turf.
Is scabland ground too rocky for a lawn?
Not with enough topsoil. We check depth and spread imported soil before spraying.
Why so much focus on sediment in Tualatin?
The river has a pollution history, and soil off bare lots ends up in it. Silt fence and fast cover keep it on your property.
How soon after grading should I hydroseed?
As soon as final grade is set, before rain crusts or washes the surface.
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