Otacanthus caeruleus
Little Boy Blue
Soft shrub to 1 m. Bright blue flowers spring-autumn. Needs full sun. The vibrant blue flowers are two-lipped, with the lower lip sporting a white streak at the throat. The flowers grow in whorls around the end of the stem. When growing, the weak, lanky stems may need some support if you want a neater shape. Well drained soil, full sun, water moderately; propagate using cuttings.
Contributed by @karmey
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Full sun
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Very little water
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Not Frost hardy
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Moist and free draining
Common name
Little Boy Blue
Latin name
Otacanthus caeruleus
type
Flowering Shrub
family
Plantaginaceae
ph
5.0 - 7.5 Acid - Neutral
Plant & bloom calendar
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Best time to plant
full grown dimensions
Otacanthus caeruleus
Soft shrub to 1 m. Bright blue flowers spring-autumn. Needs full sun. The vibrant blue flowers are two-lipped, with the lower lip sporting a white streak at the throat. The flowers grow in whorls around the end of the stem. When growing, the weak, lanky stems may need some support if you want a neater shape. Well drained soil, full sun, water moderately; propagate using cuttings.
Planting young plants
From Early Spring TO Early Spring
Best when mass planted to provide a wall of summer colour. Needs a moist but well drained soil and should be planted in a sunny position. Stems can be battered and broken by strong wind so will either need supporting with canes when mature or the protection of a wall or fence, but do not deprive them of sunlight.