Emm's Plant House

Euphorbia inermis 6.5cm H8cm

£8.00 GBP

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Pot Size 6.5cm H8cm

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Euphorbia inermis, often called the ‘Medusa’s Head’, is a striking, spineless succulent with radiating green stems resembling tentacles. It’s a sculptural statement plant that thrives in bright light and requires very little maintenance.

Full Botanical Name: Euphorbia inermis
Common Names: Medusa’s Head, Spineless Euphorbia
Country and/or Region of Origin: South Africa
Growing Conditions in Native Habitat: Arid and semi-arid regions with sandy soils and full sun exposure

Care Guide

Care Guide:

Light: Full sun to bright, indirect light; insufficient light causes leggy growth

Ideal Room: Conservatory, sunny windowsill, or greenhouse

Feeding: Cactus or succulent fertilizer once every 6–8 weeks during the growing season

Humidity: Low; prefers dry air

Ideal Temperature: 20–32°C; protect from frost below 10°C

Watering: Allow soil to dry fully between waterings; reduce drastically in winter

Pet/Child Safe: Toxic (genus level) — Euphorbia sap (latex) is poisonous and can cause severe skin and eye irritation, as well as vomiting and diarrhea if ingested by pets or humans

Soil Type: Very well-draining mineral cactus mix with sand or grit

Propagation: Stem cuttings after callousing; always wear gloves when handling due to toxic sap

Eventual Height and Spread: 20–40 cm tall; up to 60 cm wide

Growth Rate: Moderate to fast in strong light

Pests and Treatment: Occasionally mealybugs or scale; treat with horticultural oil

Repotting: Every 3–4 years in fresh, dry mix

Pruning: Minimal; remove old or damaged stems carefully

Air Purification: Limited, primarily ornamental

Folklore: The unusual form was said to resemble mythical Medusa’s hair, hence its name

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