textural and color contrast When we moved to Old Goat Farm we brought with us about 60 different types of Hostas. Reliable and hardy with countless combinations of leaf color, shape, and texture, hostas appeal to gardeners because of their fabulous foliage. We use them throughout the garden as a great texture plant. Hosta ‘Sum and Substance’ Hosta ‘Blue Mouse Ears’ on the fern table. Hostas are herbaceous, mounding perennials, hardy to Zones 3 or 4, depending on the variety.