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Clerodendron ugandense, the blue butterfly bush, is an evergreen shrub with masses of blue flowers that resemble butterflies. It is long flowering, from spring to summer and autumn, and the blooms are nectar rich and attract nectar loving insects and birds. It is best in tropical to sub-tropical areas, and for warm sheltered positions in temperate climates.
Clerodendron likes a well drained soil. Water regularly. It is frost sensitive, but if frost causes the plant to die back, it can resprout from the base again. Responds well to pruning.
Propagation is by tip cuttings.
This plant is also known as Clerodendron myricoides, Cyclonema myricoides, Cyrtostemma myricoides, Siphonanthus myricoides, Spironema myricoides and Rotheca myricoides.
Flower colour: blue
Flowering season: spring summer autumn
Maximum height: 3 metres
Minimum height: 2 metres
Maximum width: 3 metres
Minimum width: 2 metres
This plant will tolerate full or partial sunlight.
Light frost tolerance.
Plant is salt tolerant.
Yes. Attracts: Butteflies, bees, birds, insects.
This plant species will grow in the following climates: temperate, subtropical, tropical.
Loam: dry, moist, well-drained.
Clay: moist, well-drained.
Soil pH: 6.0-7.5
Planting season: Any.
Types of fertiliser: Good general purpose fertiliser.