← Species • Family: Apocynaceae 🐾 Pet-Safe

Giant Starfish Flower / Zulu Giant (Stapelia gigantea)

Stapelia gigantea

Giant Starfish Flower / Zulu Giant (Stapelia gigantea)

Native to southeastern Africa, Stapelia gigantea is renowned for its spineless, velvety, four-angled stems and astonishing starfish-shaped blooms that can span up to 40 cm across. Emitting a faint carrion scent to attract dipteran pollinators, this striking succulent features creamy-yellow petals intricately patterned with transverse crimson lines and fringed with soft hairs.

📋 Core Botanical Care Parameters

☀️ Light Requirements

Bright, indirect light or filtered morning/late afternoon sun. Intense, unfiltered midday summer sun may cause severe epidermal scorching.

💧 Watering Frequency

Follow a strict soak-and-dry regimen during active growth, allowing the entire root zone to dry out between waterings. Reduce to minimal or no water during winter dormancy to prevent black rot.

🏺 Soil Mix

60% pumice and perlite + 40% cactus compost or coco coir (rapidly draining gritty mineral mix).

❄️ Cold Tolerance

5°C (USDA Zone 10b - 11)

🌱 Propagation Method

Stem cuttings. Sever a segment in spring or summer, allow the wound to callous for 3-5 days, then root in dry, gritty substrate.

🐾 Pet Safety

This plant is non-toxic to cats and dogs and safe for pet-friendly homes.

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Watering Method: Bottom Watering (Immersion)
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Golden Rule:

Never water until at least 80% of soil is completely dry!

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Botanical Tip of the Day Verified Botanical Fact

Succulents slow down in winter; cut watering frequency in half during cooler months. ❄️