Iris x pacifica ‘Grape Zest’ Pacific Coast Iris hybrid is a Wild Ginger Farm introduction with dark grape veined falls with a white wash, dark grape style arms, and lavender standards. It is a mid to late season bloomer about 14″ tall. Grow in sun to partial shade in well-drained soil with low summer water. Hardy to 0 to 5 degrees F. Seedling AU10. AIS registered Elliott 2015.