About
A large, arching, evergreen shrub to about 4m tall from Queensland and New South Wales with long, leathery, mid-green, strap-like leaves and dense, pale lemon-yellow bottlebrush flower spikes borne along the stems in late spring. A striking and ornamental callistemon for a warm, well-drained, sheltered border in a mild garden.
About the genus
Iris may be rhizomatous or bulbous perennials, with narrow leaves and erect stems bearing flowers with 3 large spreading or pendent fall petals, alternating with 3 erect, often smaller, standard petals, in late winter, spring or early summer
Plant details
Suggested usesBorders, containers, cottage gardens. Excellent as cut flowers.
Care notes
CultivationGrow in well-drained, fertile soil in full sun. Plant rhizomes shallowly with the top exposed to the sun. Water during dry spells but avoid waterlogging.
PruningRemove spent flower stems after blooming. Cut back foliage to a fan shape in late summer. Clear dead leaves in autumn.
PropagationDivide congested clumps every 3-4 years after flowering. Replant healthy rhizome sections with a fan of leaves.
Pest resistanceSlugs and snails may damage young growth. Otherwise generally pest-free.
Disease resistanceLeaf spot and rhizome rot can occur in wet conditions. Ensure good drainage and air circulation.