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. |