thank you all very much, EXCELLENT feedback and info ......with my 23 lavenders, well about 35 if you count the others on our property not in the bed along this fence, and it being mid July and they are in fully glory, I'm going to leave them be for now but in the Fall, not only dig up and remove the ones doing bad / very bad, but pull up all the weed cloth and replace with thick layer of mulch full length of bed, then plant in any new lavenders (Havana Dark and/or Forever Blue if I can procure them here in the Pac NW) in place of the ones that are removed ......then let the Fall & Winter do their things and see what happens come next Spring .......I've read above loose pea gravel or sand to amend (well, deplete) the plant's soil, as as I remove plants & replace them, any tips of properly amending soil for each new one, based on being in the Pac NW, before planting highly appreciated .....also, any recs on lavenders that do well, have done well or are know to do well or great in the Pac NW appreciated ......
