Higher, wetter, growing fast
Hydroseeding in Sandy, OR
Foothill ground at 967 feet, on the road to Mount Hood.
- 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
Foothill Seeding on the Way to Mount Hood
Hydroseeding in Sandy starts higher up than most of the metro. The city sits at about 967 feet in the foothills of the Cascade Range, about 27 miles east of Portland, as the western gateway to the Mount Hood Corridor. A 2018 study by Portland State University and Clackamas County named Sandy the second-fastest-growing city in Oregon, so much of the work is new homes on sloped lots.
Slopes on new lots
Foothill subdivisions leave cut and fill banks. Those get a sprayed bonded fiber matrix or pinned blankets, and long slopes are broken up with rows of wattles. A light mulch alone tends to wash in a hard winter rain.
The ground drops toward the valley
West of the Sandy River canyon, the Kelso Slope tilts down from about 1,000 feet near Sandy to about 400 feet east of Gresham. Water on that surface runs west and downhill, so silt fence on the low side of each lot and inlet protection on nearby drains are standard on construction jobs here.
The Quicksand River
Lewis and Clark named the Sandy River the Quicksand River in 1805 because of all the sand on its banks. Sandy, loose soils erode easily once disturbed. Getting seed and tackified mulch down soon after grading keeps that soil from moving.
Timber town history
Sandy's early economy ran on logging and sawmills because of the timber around it. Lots carved from former woodland often have stumps, roots and thin topsoil. We clear debris, add topsoil where needed and then hydroseed.
Get a free estimate or call (971) 588-2069 about a Sandy lot or lawn.
Sandy Foothill Facts
- Elevation. Sandy sits at about 967 ft in the foothills of the Cascade Range.
- Fast growth. A 2018 PSU and Clackamas County study named Sandy the second-fastest-growing city in Oregon.
- Kelso Slope. The Kelso Slope tilts from about 1,000 ft near Sandy to about 400 ft east of Gresham.
- River name. Lewis and Clark called it the Quicksand River in 1805 for the sand on its banks.
Sandy Questions
Our new Sandy lot has steep banks. What holds them?
Bonded fiber matrix or blankets, plus wattles across long slopes, until the grass has rooted.
Why do you add topsoil on wooded lots?
Former woodland often has thin soil full of roots and debris. A clean, even topsoil layer gives the lawn a fair start.
Is silt fence needed on a single house lot?
On sloping lots it is good practice and is often required. We install it on the downhill side.
How does elevation change the timing?
Spring warms a little later up here, so we watch soil temperature before spring seeding.
Free Estimates in Sandy, OR
Site visits in Sandy and nearby foothill areas.
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