fertilizer for vinca minor
I am trying (again) to establish a fairly large area of vinca minor in an area that is mostly shaded, although certain parts of it get a fair amount of sun. I have planted a total of probably 3500 bare root plants about four inches apart over the past two years. Some areas have done pretty well, looking almost lush, but others have not fared so well, with bare patches. I realize now that some of my past failure has been due to inadequate water, and I have corrected that, and I water them every other day or so.
My question now is: To really stimulate growth and coverage, should I be fertilizing these newly planted vinca, and if so, how often, and with what?