The north wall never dries. Fertility will not fix that.
Moss on a north Seattle wall, under cedar drip, or along a Bremerton fence that never sees noon sun is not a reason to dump fertilizer. Cool-season turf in Western Washington loses the light war. Extra nitrogen on a wet, dark strip grows moss and weak leaf that stays wet until afternoon. Sunrise Pest & Turf Management wants the wall named before anyone talks a fertility bump.
Photograph morning and afternoon. If the strip is still damp at noon, that is the file. A sunny Kitsap front yard on the same lot can still take a normal feeding. We will not run one rate on both.
Moss, shade, and a dull mower
Raise the cut. Improve air if a hedge traps the wall. Move irrigation start times earlier so the leaf can dry. Adding minutes to a north rectangle that already never dries is how you grow a real pathogen on top of moss.
We will not hang a fungicide on moss. We will not hang a fertilizer emergency on a porch photo of green fuzz. If the stand is so thin that shade plants should replace turf, we will say that. Honesty beats another bag.
What we need
City, two photos of the north strip, mowing height, and last water change. Use contact. Seattle and Bremerton share marine air. They do not share your cedar drip. More notes are on the blog.
Closeout splits the lot
Which rectangle is moss and shade, which can still take a fertility pass, and what we are not applying on the wall. Next winter we compare that map.