(1 Gallon) Stachys byzantine 'Helene von Stein' Big Ears Lamb's Ear, Woolly silver grey foliage, larger leaves than typical Stachys, flowers are rare, but are purple when they do appear. Stachys byzantine 'Helene von Stein' Lamb's Ear'-shipped in gallon pot-10-15" tall Woolly silver grey foliage, larger leaves than typical Stachys, flowers are rare, but are purple when they do appear. Drought Tolerant, Deer and Rabbit Resistant 12 Height - 24 Width when Full Grown Deciduous Hardy in zones 4-9, Full to Partial Sun