West Golden's older streets are roofed in big shade, and the grass underneath lives a different life — slower, patchier, cool at noon in the middle of August. O'Brien Tree Care LLC keeps those lawns even: mowing at a height that suits the shade, trimming close around trunks and beds, edging the walks, gathering the leaves once the canopy starts giving them up. Dappled turf takes a lighter hand and a sharper blade than open ground does. Get it right and a shaded yard reads like a green room with the ceiling on. Golden, Applewood, Pleasant View and Wheat Ridge.