# Medusa's Head Cactus (Astrophytum caput-medusae)

> Native to northeastern Mexico, this extraordinary cactus breaks all conventional rules with slender, snake-like cylindrical tubercles that radiate dramatically like the mythological Medusa's hair. Anchored by a heavy geophytic taproot, it produces magnificent, large, silky yellow flowers with reddish centers directly along the upper length of mature tubercles.

- **Scientific Name:** *Astrophytum caput-medusae*
- **Botanical Family:** Cactaceae
- **Care Difficulty:** Expert (4/5)
- **Cold Hardiness:** 0°C (USDA Zone 10a); can tolerate brief dips to 0°C only if kept completely dry.
- **Pet Safety / Toxicity:** Pet-Safe (Non-toxic to cats and dogs)
- **Canonical URL:** https://sukulentler.com/en/species/astrophytum-caput-medusae
- **Markdown Source:** https://sukulentler.com/en/species/astrophytum-caput-medusae.md
- **Botanical Photo:** https://sukulentler.com/assets/images/articles/species_astrophytum_caput_medusae.webp?v=1794549677

## Light & Sun Exposure

Bright, filtered sunlight or light partial shade; protect from scorching midday summer sun.

## Watering Schedule & Method

Water thoroughly using the soak-and-dry method during spring and summer; keep entirely dry during winter dormancy to prevent tuberous root rot.

## Soil & Gritty Mix Formula

75% Inorganic mineral aggregate (pumice, lava grit, zeolite, coarse quartz sand) + 25% cactus potting soil.

## Cold Tolerance & Overwintering

0°C (USDA Zone 10a); can tolerate brief dips to 0°C only if kept completely dry.

## Propagation Methods

Seed sowing and tubercle grafting onto hardy rootstocks (e.g., Ferocactus or Echinopsis).

## Available Language Editions

- [TR: Medusa Başı Kaktüsü (Astrophytum caput-medusae)](https://sukulentler.com/tr/turler/astrophytum-caput-medusae.md)
- [DE: Medusenhaupt-Kaktus (Astrophytum caput-medusae)](https://sukulentler.com/de/arten/astrophytum-caput-medusae.md)
- [ES: Cactus Cabeza de Medusa (Astrophytum caput-medusae)](https://sukulentler.com/es/especies/astrophytum-caput-medusae.md)