Edmonds faces the Sound. Salt air reaches the patios, the wind comes off the water, and the soils change as you move up off the beach — sandier near the shore, heavier as the hills rise toward the ferry and the bowl downtown. Gravel on a marine slope can become the material that erodes, if it is round and loose. We use angular rock and we do not aim a path straight down the fall line.
Snohomish County · ZIP 98020 · 2020 population 42,690
Paths that shed, not channels down the bank
Walks above the bluff get an edge and a cross slope so water steps off into plants, not into a rut. Drives on the upper streets are a normal clay-country gravel drive: dig out, separate, compact, crown.
We keep fines from washing to the street drain in the first storms by compacting and by not overfilling. A fat, loose top is what ends up in the gutter.
The ground in Edmonds
A yard with a view of the water is also a yard in the wind. Screens and plantings have to stand up to salt and to gusts that shred a soft shrub in one winter. Madrone, shore pine, and kinnikinnick already grow on these bluffs for a reason. We use that palette when a client wants the bank to stay put without a weekly watering schedule.
Lower down, salt film builds on pavers and railings, and a pressure-wash is maintenance, not a one-time event. Retaining work on the west-facing slopes is about holding a sandy bank, with drainage behind the wall so the hill does not load up and shove. The older neighborhoods up the hill have more conventional clay and bigger trees, so we do not treat every Edmonds lot like a beach cottage.
How we do the work
Gravel stays put when it has a compacted base, a fabric or a separation from the clay, a slight crown or a cross slope, and an edge. A load of rock dumped on the grass is a mud pit by spring. We dig out the soft soil, build the base, and top it with the rock you actually walk and drive on.
The top rock is not the same as the base rock. Base is angular and locks. The surface might be smaller crushed rock or a cleaner gravel, depending on whether this is a drive, a dog run, or a path.
What we look at first
- Cars, foot traffic, or both
- How soft the ground is in March
- Where the water crosses the drive today
- An edge against lawn or beds so the rock does not migrate
Fabric
Separation fabric keeps clay from pumping up. It is not weed magic, and it is not a substitute for digging out the mud. We lap it and we cover it. Sun-baked fabric at the edge means the gravel was spread too thin.
Refresh
Gravel is maintenance. Every few years a drive needs rock added and graded back to crown. We would rather tell you that than sell a “permanent” gravel surface. Pavers are permanent. Gravel is a good, honest, recurring surface.
Edges and weeds
Steel, timber, or a paved border on a walking path. On a farm drive, the ditch is the edge. Weeds in gravel get pulled or treated early, before the root is a shrub. A thick, clean surface grows fewer of them than a dirty thin one.
More from this crew
- Gravel installation across Snohomish County
- French drain installation in Edmonds
- Fence installation in Edmonds
- Hardscaping in Edmonds
- Paver installation in Edmonds
- Gravel installation in Mukilteo
- Gravel installation in Lynnwood
- Gravel installation in Woodway
Sources for the climate and the water
- USDA plant hardiness map for choosing plants that can take a Snohomish County winter.
- EPA WaterSense on watering less once a lawn or a new planting is established.
- EPA Soak Up the Rain on keeping roof and yard water from becoming someone else’s problem.
