Campanula 'Blue Waterfalls' Serbian Bellflower MATURE SPREAD: 18-24". HARDINESS ZONES: 3,4,5,6,7,8. FLOWER: Early to mid season. SUN EXPOSURE: Full sun to part sun. SIZE SHIPPED: 2.5" pot. (plants shipped to California may be bare root and trimmed) This plant is a wonderful hardy perennial (it comes back each year). Well-draining soil is the secret to success and fast growth. Campanula bloom early season and will rebloom all year with deadheading. Commonly known as Bellflowers they are a favorite of Hummingbirds. Deer resistant. All of our Bellflowers are of blooming age/size. Our plants have been over-wintered here in the upper Midwest to ensure strength and hardiness and to encourage blooming the first year in your garden. Our plants are grown outdoors where Mother Nature helps us produce the best plants possible. Our potted plants can be planted at your convenience, just keep them outdoors and watered until you are ready to put them into the ground. We include complete planting instructions with all orders. This plant is ready for your garden!