Buy Flowers › Campanula patula - 4" Pot Campanula patula - 4" Pot $7.00 Spreading Bellflower, wiry stems, starry blue flowers, perennial zone 4-8, 1-2' tall, sun pt shade Add To Cart Added! Spreading Bellflower, wiry stems, starry blue flowers, perennial zone 4-8, 1-2' tall, sun pt shade