We sow a first flat of seeds; we gently rake debris from a bed to make way for a winter aconite or snowdrop to poke through and cheer us. And so it begins, again. I was reminded recently to watch for the garden’s intangible but transformative yields, when I read Dr. Sue Stuart-Smith’s acclaimed 2020 book, “The Well-Gardened Mind: The Restorative Power of Nature.”