Information on 50+ Perennials PERENNIALS WHICH WILL GROW IN POOR SOIL Achillea serrata (Millfoil or Yarrow) Ajuga genevensis (Geneva Bugle) Alyssum saxatile (Goldentuft) Arabis albida (Wallcress) Cerastium tomentosum (Snow-in-Summer) Dianthus deltoides (Maiden Pink) Dianthus plumarius (Grass Pink) Eryngium campestre (Hundred […]