Brighamia insignis is a fascinating and rewarding plant for the houseplant collector, providing architectural presence, lush foliage and sweet-smelling, pretty flowers over a long period.

A species endemic to Hawaii which is now critically endangered in the wild, this rare plant is saved from extinction by being grown as houseplants which are propagated from seed obtained from cultivated plants. Above its swollen stem sprouts a crown of shining, fleshy leaves, hence its common name of ‘Cabbage on a Stick’. Surprisingly, it’s a member of the campanula (Bellflower) family, and produces yellow, long-tubed, trumpet-shaped flowers with starry petals in late summer. The flowers last for several weeks, during which you can enjoy their strong honey fragrance.

It’s a reasonably fast-growing plant, and over time can develop into an impressive tree-like specimen with a tall, woody stem. Dwelling in rocky crags and cliffs, this bulbous stem acts as a water storage organ so Brighamia insignis can cope with water stress and a dry atmosphere making it an excellent house plant with low watering requirements. Height: 1m (39in). Spread: 80cm (31in).