Regional Picks: Grass Companions – Northwest
1.Rusty Foxglove Name:Digitalis ferruginea USDA Hardiness Zones:4 to 8 sizing : Up to 4 feet tall ( in flush ) and 1 substructure wide atmospheric condition : Full sunlight ; well - drained territory The contrast of vertical cable helps the soft , rounded forms of grasses suffer out in a garden . Rusty foxglove ’s tall , flowering spires offer this just contrast along with a beautiful , interesting flower ....