| General Description | A sterile flowering plant that is especially attractive to bees. |
| Shape | Upright habit. |
| Landscape | Perfect for flower beds or along walkways. |
| Propagation | Sterile seeds, must be propagated through softwood cuttings. |
| Cultivation | Grow in full sun in a moderate to moist soil with regular watering and fertilizing for best colour. |
| Pests | Bacteria such as Botrytis, Pythium and Rhizoctonia may be a problem, as well as insects such as aphids, thirps, gnats and whiteflies. |
| Notable Specimens | Royal Botanical Gardens, Burlington, Ontario, Canada. |
| Habitat | Horticultural origin. |
| Leaf Description | Leaves are dark green. |
| Flower Description | Flowers are blue-purple, and bloom continuously throughout the season. |