Colossal Blue Hosta makes an impressive statement in shade gardens. Its blue-green, heart-shaped leaves reach 10 in. to 20 in. across and the plant grows 30 in. to 36 in. tall with a 36 in. to 48 in. spread. The slug-resistant shade perennial. From deep blue hostas to soft powder blue hosta plants, intense blues and fragrant blues, these shade perennials are sure to delight!