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Iochroma cyaneum

Iochroma cyaneum
blue trumpet flower
Iochroma cyaneum

Common name blue trumpet flower
Family solanaceae
Life cycle shrub (Z9-11)
Flowers violet (throughout warm season)
Size 12'
Light part shade

Fast-growing brugmansia relative featuring clusters of bright violet pendent trumpet-shaped flowers, which are produced freely whenever the plant is in active growth – which could be year-round in tropical climates. Here in Houston, it should survive mild winters. It prefers part shade and regular moisture, and benefits from frequent pruning, which keeps it tidy and promotes flowering. If left unpruned in sufficiently warm regions, it will grow into a multi-trunked small tree. Attracts hummingbirds. The 'Princess' variety we grow is actually a hybrid between I. cyaneum and I. australis, reportedly fast-growing to 10 ft tall. For now, it's a somewhat gangly specimen – we'll be watching its progress through the next year, assuming it survives winter.

In our garden, this plant grows in the following area: back fence border

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Last modified: November 12, 2017
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