Emm's Plant House

Gymnocalycium mihanovichii Spineless 'Crested' 7.5cm H13cm

£17.00 GBP

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Pot Size 7.5cm H13cm

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Gymnocalycium mihanovichii ‘Spineless Crested’ is a rare, fan-shaped mutation of the Moon Cactus species, known for its sculptural, crested form and smooth, spineless texture. It thrives in bright light and well-draining soil, making it an ideal low-maintenance houseplant.

Full Botanical Name: Gymnocalycium mihanovichii ‘Spineless Crested’
Common Names: Spineless Moon Cactus, Crested Gymnocalycium
Country and/or Region of Origin: South America (Paraguay, Argentina)
Growing Conditions in Native Habitat: Grows in arid, rocky grasslands with strong sunlight and good airflow

Care Guide

Care Guide:

Light: Bright, indirect light or gentle morning sun

Ideal Room: Sunny windowsill or conservatory

Feeding: Cactus fertilizer every 4–6 weeks during active growth (spring–summer)

Humidity: Low; prefers dry air

Ideal Temperature: 18–30°C (65–86°F); protect from frost

Watering: Water sparingly, allowing soil to dry completely between waterings

Pet/Child Safe: Non-toxic — Gymnocalycium species are not listed as toxic by the ASPCA. However, some forms are grafted onto other cacti that may have spines. Always supervise pets and children, as ingestion of cactus tissue may cause mild stomach upset or physical irritation from spines.

Soil Type: Fast-draining cactus mix with sand or grit

Propagation: By division or grafting of crested offsets

Eventual Height and Spread: 10–15 cm tall; 15–20 cm wide

Growth Rate: Slow

Pests and Treatment: Mealybugs; treat with neem oil or alcohol swabs

Repotting: Every 2–3 years; use a shallow pot with drainage

Pruning: None required; remove damaged tissue with sterile tools

Air Purification: Minimal; primarily ornamental

Folklore: Symbolizes resilience and uniqueness due to its rare, crested form

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