Colorful mix brightens shade gardens in the springtime. Pacific Giant Primrose is a random mix of vibrantly-hued flowers that attract hummingbirds and butterflies. Growing 6-10 inches tall with low-growing, wrinkled foliage, Pacific Giant Primrose is ideal for planting in the front borders of shade or woodland gardens, in containers or in rock gardens. It can also be grown in masses as an eye-catching groundcover. For the best garden performance, plant Pacific Giant Primrose in full shade. Hardy to zone 4.