The north-facing slopes in Hopatcong hold hemlock shade and moss where the sun barely reaches, and grass there wants a lighter, more patient hand than the open lots do. Timbe Landscaping, LLC mows both kinds — the bright yards and the difficult ones — with trimming and edging that follow whatever shape the hill left behind. Late in the year the work turns to cleanups, pulling leaf and needle off the turf before the first hard freeze locks it down. Early spring is that same job in reverse. A lawn that comes through a northwest New Jersey winter looking healthy was tended back in October.