Astrophytum asterias ‘Variegata’ is a rare and breathtaking cultivar of the iconic Astrophytum asterias, prized for its perfect, symmetrical disc shape and striking cream-to-yellow variegation. A member of the Cactaceae family and native to the desert regions of northern Mexico and Texas, this variegated form elevates the species’ already elegant structure with bold marbling, splashes, and sectoral patches of colour that make each specimen completely unique.

This spineless, flattened cactus forms a perfectly rounded dome with 6–8 distinct ribs and a smooth epidermis dusted with white trichomes — resembling a living sand dollar or star-shaped button. The variegated tones range from buttery yellow and lime to soft mint and chartreuse, swirling across the deep green base. Mature plants may produce dazzling golden-yellow flowers with orange throats in summer, adding an extra layer of beauty to an already extraordinary plant.

Elegant, sculptural, and highly collectable, Astrophytum asterias ‘Variegata’ is a true centrepiece for rare cactus enthusiasts and lovers of geometric plant design.

Astrophytum asterias ‘Variegata’ – Care Guide

Light

Thrives in bright, indirect to softly filtered sunlight. Variegated tissues are more sensitive, so avoid intense midday sun that can scorch the lighter areas. A bright windowsill or greenhouse spot with partial shade is ideal.

Watering

Water sparingly. Allow the soil to dry completely between waterings, then water thoroughly and ensure excellent drainage. Overwatering is the most common cause of rot, especially in variegated forms which have less chlorophyll. In winter, water only once every 4–6 weeks.

Temperature and Humidity

Temperature: Prefers warm conditions between 18–30 °C; avoid temperatures below 10 °C.
Humidity: Low humidity is essential. Provide good airflow to prevent fungal issues on the sensitive epidermis.

Soil and Potting

Use a very free-draining mineral cactus mix — pumice, coarse sand, akadama, grit, and a small amount of cactus compost. Variegated asterias thrive best in lean, fast-drying substrates. Repot every 2–3 years in spring into a shallow pot with large drainage holes.

Feeding

Feed lightly every 6–8 weeks in spring and summer with a low-nitrogen cactus fertiliser. Avoid feeding in winter when the plant is dormant.

Pruning and Maintenance

No pruning necessary. Dust the plant gently with a soft brush to maintain its clean, variegated pattern. Remove old, dried flowers when necessary.

Growth and Maturity

A slow-growing species reaching 7–12 cm in diameter when mature. Over time, the variegation becomes more defined, creating intricate and unpredictable patterns across the dome. Older specimens may flower annually, producing bright yellow blooms that contrast beautifully with the variegated body.

Common Issues

• Soft or collapsed tissue: Overwatering or cold exposure.

• Scorching: Too much strong sun, especially on variegated sections.

• Wrinkling: Underwatering (easily corrected with a deep drink).

• Pests: Occasionally mealybugs or spider mites — remove with alcohol or neem oil.

Background and Benefits

The variegated form of Astrophytum asterias is extremely rare due to its unstable pigment mutation and slow growth rate. Variegation appears in many patterns — splashes, stripes, halves, or full marbled coverage — making every plant a one-of-a-kind specimen.

Symbolically, asterias are associated with calm, balance, and precision — ideal for those who appreciate minimalism, symmetry, and natural elegance.

Quick Care Summary

• Light: Bright, indirect or filtered sun

• Water: Let soil fully dry; water sparingly

• Temperature: 18–30 °C; avoid below 10 °C

• Humidity: Low humidity

• Soil: Mineral cactus mix – pumice, sand, akadama, grit

• Feed: Every 6–8 weeks during growing season

• Growth: 7–12 cm; star-shaped dome cactus with yellow–green variegation

⚠️ Toxicity note: Non-toxic; safe to handle (spineless).

Styling Tip

Display Astrophytum asterias ‘Variegata’ in a shallow ceramic or concrete planter to highlight its geometric structure and marbled colouring. Surround with pale gravel or white pumice for a clean, gallery-style look. Pair with monochrome cacti such as Gymnocalycium ‘Black’ or sculptural Euphorbias for a refined collector’s arrangement.