Just south of Centralia at the Chehalis and Newaukum river confluence, Chehalis is served with scheduled project visits from our metro dispatch hub. Florentino Landscaping LLC brings boulder rockeries, drainage, and hardy plantings to its hilly residential lots.
Landscaping chehalis WA is hilly, water-heavy work. Unlike its flat neighbor, Chehalis has more sloping residential terrain that saturates heavily in winter, so our projects here center on rockery retaining, catch-basin drainage, and deep-rooted plantings.
Chehalis yards: soil, slope & climate
Chehalis rises into hilly residential terrain above the river confluence, ground that soaks up heavy winter rain and holds it on the slopes. The saturation loosens hillsides and pools water in yards, so retaining and drainage are the foundation of durable landscaping here.
We hold the slopes with boulder rockery retaining walls that drain freely, install catch basins to collect and route saturating water off the lots, and plant deep-rooted ornamentals that stabilize soil and thrive in the wet ground. Lawn care keeps the hillside yards healthy.
Landscaping built around Chehalis
We work Chehalis from historic downtown and Pennsylvania Avenue to the Westside and Hillside neighborhoods near Recreation Park. On a hilly lot that saturated and slumped each winter, we built a boulder rockery retaining wall, set catch basins to route the water off the slope, and planted deep-rooted ornamentals to stabilize and finish the yard.
Boulder rockeries, catch-basin drainage, deep-root planting, and lawn care define our Chehalis work. We keep written scopes and describe outcomes honestly, without fabricated reviews.

the Chehalis Riverthe Newaukum RiverInterstate 5historic downtown ChehalisRecreation Park
Our most-requested services in Chehalis
Retaining Wall & Rockery Construction
Engineered walls and rockeries that hold Seattle's slopes and end erosion for good.
French Drain & Yard Drainage Solutions
Permanent drainage systems that dry out soggy PNW lawns and protect your foundation.
Landscape Design & Installation
Bespoke PNW-native designs that look intentional in every season, not just May.
Lawn Care & Maintenance
Consistent mowing and seasonal care that keeps PNW lawns thick, green, and moss-free.
Landscaping projects we take on in Chehalis
On a Hillside lot that shed water onto its own patio every winter, we set a run of catch basins across the upper yard to intercept the saturating flow and pipe it clear of the slope, then planted the graded bank above with deep-rooted ornamentals that bind the soil and take the wet ground in stride.
Near Dillenbaugh, a boulder rockery had been the only thing between a slumping bank and the driveway, and it was failing. We rebuilt it as a properly drained rockery retaining wall, keyed the stone into the hillside, and added a catch basin behind it so the heavy winter water drained through the structure instead of building pressure and pushing the stone face out onto the driveway again.
Seasonal landscaping in Chehalis, WA
Chehalis rises into hilly ground that soaks up heavy winter rain and holds it on the slopes, so the year revolves around water and stability. Fall is when we clear and check catch basins and drain lines before the wet season loads the hillsides. Winter is watchful, monitoring slopes for saturation and movement as the ground stays soaked. Spring, as the hillsides firm, is our season for building boulder rockeries and retaining walls and for setting deep-rooted plantings that stabilize the soil. Summer's drier weeks let us establish new plantings and keep the hillside lawns healthy above the river confluence.
Ready to transform your Chehalis property?
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Nearby communities we serve
Based near Seattle, we cover Chehalis and the surrounding area — including Centralia, Tumwater, Olympia, Longview, and Lacey. Not sure if you're in range? Call (323) 606-0255 and we'll confirm.
Chehalis landscaping FAQs
The hilly terrain here soaks up heavy winter rain and holds it, which loosens the slopes. We stop the movement with boulder rockery retaining walls and catch basins that drain the saturating water off the hillside.
Deep-rooted ornamentals bind the soil and thrive in the wet ground, adding stability alongside the rockeries and drainage while finishing the yard attractively.
It usually turns on height. In Washington, retaining structures over four feet, measured from the footing base, or walls bearing extra load generally need an engineered permit, while lower ones often don't. On Chehalis's saturating hillsides we build boulder rockeries and walls to hold the slope safely, and we verify the current requirement with Lewis County or the city before we dig, so the work is both stable and approved.
Yes. On the sloping ground above the river confluence, a good design starts with holding and draining the site, then builds the plantings and lawn on top. We plan the rockery retaining, catch basins, and grade first, then layer in deep-rooted ornamentals, beds, and turf that suit the wet hillside. Handling it as one integrated Chehalis project keeps drainage, structure, and planting working together rather than fighting each other.
