Streptocarpella Concord Blue This Streptocarpella Concord Blue plant is a beautiful and unique addition to any home. The plant is known for its delicate, blue flowers and its compact growth habit. This particular plant comes in a 5-inch pot, making it perfect for any tabletop or windowsill. The Streptocarpella Concord Blue plant is relatively easy to care for. It prefers bright, indirect light and moist, well-drained soil. Be careful not to overwater the plant, as this can lead to root rot. Fertilize the plant every few weeks during the growing season with a balanced fertilizer.