Perennials › Iris tectorum (Japanese Roof Iris) Image 1 of 2 Image 2 of 2 Iris tectorum (Japanese Roof Iris) from $4.99 sun/part shade; 18x18” blue violet late spring blooms, deer-resistant, Z4-9 Pot: Select Pot 4" qt or 5" gal Add To Cart Added! sun/part shade; 18x18” blue violet late spring blooms, deer-resistant, Z4-9