Pineapple Sundae Coneflower Seeds Beautiful Summer Blooms Fresh Pineapple Sundae seems to be a very striking coneflower. If you are sick of all the variations of double pink and double whites, you won't be disappointed in this one. Hummingbirds keep on coming to this one! Zones: 4-9 Mature Height: 28 inches Mature Width: 30 inches Bloom Size: 3 " Form: Upright Growth Rate: Fast Light: Sun Flower Color: Double Yellow/Gold Foliage Color: Green Seed starting instructions included.