World Plants

Senecio herreianus (String of Pearls, String of Beads)

Family	Asteraceae
Genus	Senecio
Species	herreianus
Category	Perennials, Tropicals
Origin	Southwestern Namibia and South Africa.

USDA Hardiness Zone	12
USDA Hardiness Ref.
Canadian Hardiness Zone	Requires cool season proetection under glass.
Canada Hardiness Ref.
RHS Hardiness Zone	H1b
RHS Hardiness Ref.
Temperature (°C)	13
Temperature (°F)	55
Growth	Medium
Flowering Period	June, July, August

General Description	A unique succulent due to the trailing stems and bulbous leaves. Flowers on tall, slender stems as white daisy-like blooms.
Shape	Drooping to weeping or pendulous.
Landscape	As a hanging potted plant or as a specimen.
Propagation	Seed or cuttings.
Cultivation	Plant in partial sun to partial shade in dry, well-draining sandy or loamy soils of any acidity. Allow soil to dry between waterings.
Pests	Scale and mealybugs, although very rare.
Notable Specimens	University of Alberta Botanic Garden, Devon, Alberta, Canada. Chelsea Physic Garden, London, United Kingdom.
Habitat	Grows beneath bushes in arid areas. Dry, inland environments.
Bark/Stem Description	Long, smooth, glaborous vine-like stems and branches.
Leaf Description	Rounded ovoid-shaped, slightly pinnate, pearl or bead-like leaves approximately 10 cm long and 5 - 7 cm wide that grow along vine-like branches. Leaves are not flat.
Flower Description	Brush-like blooms on long peduncles.
Colour Description	Medium green to bluish-green foliage. Purplish-brown stems and vines. Green peduncles. White-petaled blooms tipped with a dull purplish-brown.
Texture Description	Smooth and leathery.

A plant at the University of Alberta Botanic Garden, Devon, Alberta, Canada.

A plant growing at the University of Alberta Botanic Garden, Devon, Alberta, Canada.

Senecio herrainus, leaves. Chelsea Physic Garden, London, United Kingdom.

Senecio herrainus, form. Chelsea Physic Garden, London, United Kingdom.