In Bushwick the green is where you make it — a patch behind a two-family, a strip beside the driveway, a rear yard boxed in by brick on three sides. Yard UrbanGreen LLC treats those pockets as lawns worth keeping, mowing and edging them, trimming back the overgrowth along the fence, and clearing out the winter's accumulation when April finally warms up. Spring here shows up first in the odd places: a green fringe at the base of a wall, weeds sprinting ahead of the grass. Get in early with the mower and a load of mulch and the whole yard turns from neglected to cared-for in a single afternoon. Tight spaces, hand-carried tools, and a clean sweep on the way out.