How to Grow Starfish Flower

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Starfish Flower

Stapelia leendertziae

succulent

Stapelia leendertziae is a low-growing succulent native to South Africa, known for its striking star-shaped flowers with intricate patterns and a distinctive carrion-like scent that attracts pollinating insects. The plant forms spreading mats of fleshy, four-angled stems with minimal leaves, making it an excellent ground cover in xeriscapes and container gardens. Despite its unusual odor, it is a fascinating ornamental prized by collectors for its bizarre and beautiful blooms.

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Example Starfish Flower timeline · Pittsburgh, PA (Zone 6b)

  1. Plant Starfish Flower

    Around Apr 17

    Near Pittsburgh's average last spring frost.

  2. Tend & protect

    Late spring–summer

    Watering, feeding, and pest-watch reminders.

  3. Harvest Starfish Flower

    Late summer into fall

    Before the first fall frost (≈ Nov 8)

Sample dates for Pittsburgh, PA. Sign up to get exact Starfish Flower dates for your own zip code.

Growing Conditions

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Sun: Bright, indirect light; tolerates partial shade but blooms best with 4-6 hours of sunlight daily
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Water: Water moderately during growing season (spring-summer), allowing soil to dry between waterings. Reduce watering significantly in fall and winter. Avoid overwatering, which causes root rot.
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Spacing: 12 inches
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Days to maturity: 180-365 (flowers appear on established plants, typically 2+ years old)
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Planting depth: Plant crowns at soil surface; do not bury stems

Soil

Type: Well-draining cactus or succulent mix
pH: 6.0-7.0
Amendments:
Perlite Coarse sand Pumice Gritty soil components

Growing Zones

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Thrives in zones 9b-11; requires frost protection or indoor cultivation in colder regions

9b 10a 10b 11a 11b

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Growth Stages

1

Establishment

3-6 months

Young rooted cuttings or seedlings begin producing short, fleshy stems with minimal branching

Keep soil lightly moist but not waterlogged. Provide bright, indirect light. Avoid fertilizing young plants.

2

Vegetative Growth

6-18 months

Plant expands with multiple spreading stems forming a mat-like cushion; no flowers yet

Water regularly during warm months. Ensure excellent drainage. Pinch back stems lightly to encourage bushier growth if desired.

3

Flowering

Summer to early fall, 4-12 weeks of intermittent blooming

Star-shaped flowers (typically 2-4 inches across) with maroon, yellow, or purple patterns emerge from stem tips; flowers last several days

Maintain bright light and moderate water. The distinctive carrion scent attracts flies for pollination. Do not deadhead if seed development is desired.

4

Seed Development (Optional)

4-8 weeks after flowering

If pollinated, flowers are followed by paired follicles containing flat, hairy seeds

Allow follicles to mature and dry on the plant before collecting seeds. Collect before pods split and disperse seeds.

5

Dormancy

3-4 months (October-February in Northern Hemisphere)

Plant slows growth in fall and winter; foliage remains but growth stalls

Reduce watering to once every 3-4 weeks. Provide cool temperatures (50-60°F) to encourage flowering the following season. Minimal fertilizing needed.

Companion Planting

Plan your garden →

Plant with:

Avoid planting near:

Moisture-loving plants Species requiring frequent watering Shade-dependent plants

Common Pests

  • Remove with rubbing alcohol on a cotton swab. Spray with insecticidal soap or horticultural oil. Isolate infected plants.

  • Increase humidity slightly. Spray with water or insecticidal soap. Use miticide if severe.

  • Remove manually with a soft brush. Apply horticultural oil or neem oil spray.

  • Ensure well-draining soil and reduce watering frequency. Repot in fresh, sterile soil if roots are affected. Remove diseased portions.

Uses

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Exotic Succulent Display

Ornamental

Stapelia leendertziae is prized by collectors and succulent enthusiasts for its remarkable star-shaped flowers with intricate color patterns. Its unusual blooms and compact growth habit make it ideal for rock gardens, container collections, and xeriscape designs. [source]

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Botanical Study & Photography

Craft

The distinctive, patterned flowers attract botanists and nature photographers due to their bizarre morphology and mimicry of carrion, which serves as a pollination strategy. The plant is often featured in specialized succulent and desert plant exhibitions. [source]

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Pollinator Attraction

Wildlife

The carrion-like scent produced by the flowers attracts flies and other carrion-feeding insects, making it valuable for supporting specialized pollinators in gardens. This interaction demonstrates plant-insect coevolution. [source]

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Low-Maintenance Ground Cover

Household

Its spreading, mat-forming habit and minimal water requirements make Stapelia leendertziae an excellent choice for xeriscaping, succulent gardens, and low-maintenance landscapes in warm climates. It thrives in containers and hanging baskets. [source]

💊

Traditional African Medicine

Medicinal

Some Stapelia species have been used in traditional South African medicine, though scientific validation is limited. S. leendertziae is primarily cultivated for ornamental purposes rather than medicinal applications. [source]

This is not medical advice. LizPlants is not a medical resource. Always consult a qualified healthcare professional before using plants medicinally.

Harvest Tips

Stapelia leendertziae is not harvested for food or material. Collect seed pods when they begin to split naturally, typically 4-8 weeks after flowering. Store dried seeds in a cool, dry place. Propagate from cuttings (2-3 inch segments) by allowing them to callus for 3-5 days, then inserting into well-draining soil.

Fun Facts

  • 🌱 The name 'Starfish Flower' refers to the remarkable five-pointed star shape of the blooms, which can reach 2-4 inches in diameter and display intricate maroon, yellow, or crimson patterns.
  • 🌱 Stapelia flowers emit a strong, unpleasant odor resembling rotting flesh or carrion, which attracts flies and other insects that normally pollinate decaying matter—a pollination strategy called sapromyophily.
  • 🌱 The plant is native to the semi-arid regions of South Africa and Namibia, where it has adapted to survive with minimal water and intense sunlight by storing moisture in its fleshy stems.

Gardening Terms

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