Stapelia leendertziae

Black Bells

◆

Taxonomy

Common Names

Black BellsCarrion Flower

Context

nativeRegion

Southern Africa (South Africa, Eswatini, Mozambique).

usdaZones

USDA zones 10–11 (frost-free).

companionPlants

Hoodia, Euphorbia, Aloe

culturalUses

Primarily ornamental for its unique flowers; of botanical interest for its specialized pollination.

Care

LightBright, indirect light to some direct sunlight. Prefers filtered sun, avoid harsh midday rays.

WateringWater deeply but infrequently. Allow soil to dry out completely between waterings, especially in winter.

SoilVery well-draining, gritty cactus or succulent mix. Can add extra perlite or coarse sand for drainage.

FertilizerLow-nitrogen, diluted succulent fertilizer during growing season (spring-summer); fertilize sparingly.

HumidityLow humidity preferred; tolerant of dry indoor air.

TemperatureOptimal range is 15–30°C (59–86°F). Protect from frost and temperatures below 5°C (41°F).

HabitSucculent, clumping stems in decumbent mounds.

Mature Size10–30 cm tall, spreading up to about 60 cm wide.

Growth RateModerate growth rate under optimal conditions.

BloomingLate summer to early autumn; large, dark maroon tubular flowers that emit a carrion scent.

DormancyWinter dormancy; reduce watering and no feeding during this period.

MethodsStem cuttings, Seeds (less common)

DifficultyEasy by cuttings; seeds are more challenging.

Best SeasonSpring to early summer for cuttings.

PruningRemove dead or rotting stems to maintain plant health.

RepottingRepot every 2–3 years, or when pot becomes crowded. Use fresh, sterile soil mix.

Pests & DiseasesOccasional mealybugs, root rot if overwatered. Generally disease-resistant if well-drained.

ToxicityNon-toxic to humans and pets.

No public plants yet.