From marsh bottoms to hillsides
Hydroseeding in Beaverton, OR
The name comes from beaver dams, and parts of town still drain like it.
- 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
Lawns on Beaverton's Low Ground and High Ground
Hydroseeding in Beaverton starts with knowing which end of town a lot is on. Elevations inside the city run from about 132 feet to about 698 feet above sea level. The low end matches the town's origin story: early accounts describe the area as mostly swamps and marshes connected by beaver dams, and the Atfalati name for their village here translates as place of the beaver.
Low, wet lots
Where the ground was once marsh, soil can stay saturated well into spring. On these lots we check how long water stands after rain, then build up the grade with topsoil or shape a shallow swale before seeding. Grass seed sprayed into standing water rots instead of rooting.
Cooper Mountain and the hillside edge
In 2018 the Metro Council expanded the urban growth boundary to take in the Cooper Mountain urban reserve, which brings new streets and houses onto sloping ground at Beaverton's southwest edge. Banks like these are covered with pinned blankets or a sprayed bonded fiber matrix, and silt fence stays below the disturbed area until grass takes over.
Next to nature parks
Beaverton includes Cooper Mountain Nature Park and the Tualatin Hills Nature Park. If a lot borders a natural area, we keep sediment on the site and can spray a native grass mix along that edge instead of turf, if you prefer.
Infill and redevelopment
The city has pushed transit-oriented building around its MAX stations, including The Round, built on the site of a former sewer plant. Small infill sites like these often need little more than silt fence, inlet protection and a quick hydroseed of the disturbed strip.
Get a free estimate or call (971) 588-2069, and let us know if the lot is wet, sloped or both.
Beaverton Ground Notes
- Elevation range. Elevations within Beaverton range from about 131.7 ft to 698.2 ft above sea level.
- Marsh origins. Early descriptions call the area mostly swamps and marshes connected by beaver dams, like one huge lake.
- Cooper Mountain. In 2018 the Metro Council expanded the urban growth boundary to include the Cooper Mountain urban reserve.
Beaverton Questions
Why is my Beaverton yard still wet in May?
Low parts of town were marsh before they were neighborhoods. Raising or reshaping the grade before seeding usually solves it.
We are building near Cooper Mountain. Do we need slope protection?
On graded slopes, yes. Blankets or bonded fiber matrix plus silt fence below the work keep soil in place over winter.
Can you plant native grass beside a nature park?
Yes. We can spray a native mix on the strip next to the natural area and a lawn mix nearer the house.
Is hydroseed worth it on a small infill lot?
For bare strips after utility or foundation work it is usually quicker than sod and covers odd shapes easily.
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