Plant Identifier
Cape Leadwort

Cape Leadwort

Plumbago auriculata

Family: PlumbaginaceaeNative: South AfricaIdentified: Sep 17, 2026

A scrambling, evergreen shrub featuring slender green stems, oblong to spathulate leaves, and clusters of delicate phlox-like sky blue to royal blue flowers.

Light
Full sun to partial shade, ideally 6 or more hours of direct sunlight daily for optimal blooming.
Water
Water deeply when the top few inches of soil become dry. Once established, it can tolerate brief periods of drought, but continuous moisture promotes better flowering.
Growth
A sprawling, scrambling evergreen shrub that can grow 3 to 10 feet tall and wide depending on support and pruning.
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Care instructions

Provide full sun to partial shade, well-draining soil, and regular watering during the growing season. Prune back in late winter or early spring to encourage dense growth and heavy flowering.

Growing details

Sunlight

Full sun to partial shade, ideally 6 or more hours of direct sunlight daily for optimal blooming.

Watering

Water deeply when the top few inches of soil become dry. Once established, it can tolerate brief periods of drought, but continuous moisture promotes better flowering.

Soil

Well-drained sandy, loamy, or clay soils with a neutral to slightly acidic or alkaline pH range.

Hardiness zone

USDA zones 9 to 11, grown as an annual or container plant in cooler climates.

Growth habit

A sprawling, scrambling evergreen shrub that can grow 3 to 10 feet tall and wide depending on support and pruning.

Bloom season

Blooms continuously from late spring through autumn, producing terminal clusters of light blue to deep azure-blue flowers.

Propagation

Propagated easily through semi-hardwood cuttings taken in summer or by dividing root suckers in spring.

Common pests & issues

Generally trouble-free, though occasionally affected by aphids, mealybugs, or whiteflies. Ensure good drainage to prevent root rot.

Similar species

Plumbago indica (which features red flowers) and Plumbago zeylanica (which features white flowers).