How to Grow Starfish Flower
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Starfish Flower
Stapelia variegata
succulentStapelia variegata is a low-growing succulent native to South Africa, renowned for its distinctive star-shaped flowers with mottled purple-brown markings and a carrion-like odor that attracts flies for pollination. The plant forms dense clumps of 4-angled, leafless green stems and produces dramatic blooms in late summer to fall. It is popular among succulent collectors for its unusual flowers and easy cultivation.
When should you plant Starfish Flower in your zone?
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Example Starfish Flower timeline · Pittsburgh, PA (Zone 6b)
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Plant Starfish Flower
Around Apr 17Near Pittsburgh's average last spring frost.
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Tend & protect
Late spring–summerWatering, feeding, and pest-watch reminders.
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Harvest Starfish Flower
Around Aug 15≈ 120 days after planting
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Growing Conditions
Soil
Growing Zones
Find your zone →Thrives in USDA zones 10-11; grow indoors or in containers in cooler climates
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Get my Starfish Flower timeline →Growth Stages
Establishment
2-4 weeksRecently propagated cuttings or offsets begin developing roots and establishing connection to soil
Keep soil nearly dry for 2-3 weeks before first watering; place in bright, warm location; avoid direct intense sun initially
Vegetative Growth
3-6 monthsGreen stems expand, new shoots emerge from the base, plant develops clump structure
Water moderately when soil is dry; provide bright light; minimal fertilization (dilute succulent fertilizer monthly if desired)
Pre-Flowering
4-8 weeksStems mature and thicken; flower buds begin forming on stem sides near the apex
Maintain bright conditions and cooler nights (55-65°F) to trigger flowering; reduce watering slightly
Flowering
8-12 weeks (successive blooms)Star-shaped flowers with marbled purple-brown and yellow coloring open; distinctive musky/carrion scent present
Do not disturb flowering stems; provide full sun; maintain dry conditions; flowers last 5-7 days each
Dormancy
3-4 months (winter)Plant growth slows significantly; stems may shrivel slightly; flowering ceases
Water rarely or not at all; keep cool (50-60°F if possible); move away from grow lights; prepare for spring growth resumption
Companion Planting
Plan your garden →Plant with:
Avoid planting near:
Common Pests
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Spray with rubbing alcohol or neem oil; isolate infected plant; inspect roots for root mealybugs
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Remove manually with tweezers; apply horticultural oil or neem oil; prune heavily infested stems
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Increase humidity around plant; spray with water; use miticide if severe; improve air circulation
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Allow soil to dry completely between waterings; use sand top-dressing; use gnat traps if indoors
Uses
Unique Specimen Plant
OrnamentalStapelia variegata serves as a striking conversation-piece houseplant and succulent garden focal point, valued for its bizarre, alien-like star-shaped flowers with intricate variegated patterns. [source]
Fly Pollination
WildlifeThe distinctive carrion-like odor produced by flowers attracts flies and beetles for pollination, making it a fascinating example of sapromyophily (dung-fly pollination) in horticulture. [source]
Plant Propagation & Hybridization
CraftStapelia variegata is easily propagated from cuttings and crosses readily with other Stapelia species, making it popular among succulent enthusiasts and hybridizers for creating unique cultivars. [source]
Harvest Tips
Stapelia variegata is not harvested for food or material. Collect seeds from dried seed pods (follicles) that develop after flowering; allow pods to dry on plant before collecting. Propagate via stem cuttings: take 2-3 inch segments, allow to callus for 5-7 days, then place on dry soil and mist lightly until roots develop (2-4 weeks).
Fun Facts
- 🌱 The flower's odor mimics rotting meat or dung so convincingly that flies attempt to lay eggs on the blooms—a remarkable example of deception pollination in plants.
- 🌱 Despite the unpleasant smell, the flowers are prized by collectors and have minimal odor indoors at distances beyond a few inches; the scent is primarily noticeable when the flower is close to the nose.
- 🌱 Stapelia variegata was named 'variegata' for the beautiful variegated (mottled) markings on its flowers, which differ from other Stapelia species in their intricate patterns of purple, brown, and cream colors.
Gardening Terms
New to gardening? Learn about terms used in this guide:
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