Astrophytum Ornatum, commonly known as Monk’s Hood Cactus, is a species of cactus native to the Mexican states of Coahuila and Nuevo León. It is a globular cactus with a wavy growth pattern and is heavily ribbed. The stem may reach up to 40 cm in height and 8 cm in diameter. It produces yellow flowers during the summer, followed by yellow-orange fruits. This cactus can be easily propagated by cuttings, and it is often used as an ornamental plant in deserts and rock gardens. It is also suitable for container cultivation, although it requires plenty of sunlight and well-drained soil.
Description
Care & Guide
Placement
| Climate Zone | Cold Hills (Min 1°C to Max 25°C), Cool Tropical Highland (Min 0°C to Max 25°C), Subtropical Hills (Min 5°C to Max 28°C), Subtropical Hot Arid (Min 4°C to Max 50°C), Subtropical Hot Semi Arid Continental (Min 4°C to Max 48°C), Subtropical Humid (Min 8°C to Max 42°C), Subtropical Monsoon (Min 8°C to Max 38°C), Subtropical Monsoon Highland (Min 7°C to Max 30°C), Subtropical Semi-Arid (Min 5°C to Max 44°C), Tropical Hot Semi-Arid (Min 14°C to Max 47°C), Tropical Mid-Elevation Monsoon (Min 9°C to Max 38°C), Tropical Monsoon Coastal (Min 14°C to Max 38°C), Tropical Wet-Dry ‘savanna’ (Min 11°C to Max 40°C), Tropical Wet-Dry ‘savanna’ Coastal (Min 17°C to Max 40°C), Tropical Wet-Dry Savanna Cool Plateau (Min 14°C to Max 36°C), Tropical Wet-Dry Savanna Hot Interior (Min 11°C to Max 48°C) |
|---|---|
| Pot Sizes (Diameter) | 2.5 Inches, 3 Inches, 3.5 Inches |
Humidity
| Climate Zone | Cold Hills (Min 1°C to Max 25°C), Cool Tropical Highland (Min 0°C to Max 25°C), Subtropical Hills (Min 5°C to Max 28°C), Subtropical Hot Arid (Min 4°C to Max 50°C), Subtropical Hot Semi Arid Continental (Min 4°C to Max 48°C), Subtropical Humid (Min 8°C to Max 42°C), Subtropical Monsoon (Min 8°C to Max 38°C), Subtropical Monsoon Highland (Min 7°C to Max 30°C), Subtropical Semi-Arid (Min 5°C to Max 44°C), Tropical Hot Semi-Arid (Min 14°C to Max 47°C), Tropical Mid-Elevation Monsoon (Min 9°C to Max 38°C), Tropical Monsoon Coastal (Min 14°C to Max 38°C), Tropical Wet-Dry ‘savanna’ (Min 11°C to Max 40°C), Tropical Wet-Dry ‘savanna’ Coastal (Min 17°C to Max 40°C), Tropical Wet-Dry Savanna Cool Plateau (Min 14°C to Max 36°C), Tropical Wet-Dry Savanna Hot Interior (Min 11°C to Max 48°C) |
|---|---|
| Pot Sizes (Diameter) | 2.5 Inches, 3 Inches, 3.5 Inches |
Soil pH
| Climate Zone | Cold Hills (Min 1°C to Max 25°C), Cool Tropical Highland (Min 0°C to Max 25°C), Subtropical Hills (Min 5°C to Max 28°C), Subtropical Hot Arid (Min 4°C to Max 50°C), Subtropical Hot Semi Arid Continental (Min 4°C to Max 48°C), Subtropical Humid (Min 8°C to Max 42°C), Subtropical Monsoon (Min 8°C to Max 38°C), Subtropical Monsoon Highland (Min 7°C to Max 30°C), Subtropical Semi-Arid (Min 5°C to Max 44°C), Tropical Hot Semi-Arid (Min 14°C to Max 47°C), Tropical Mid-Elevation Monsoon (Min 9°C to Max 38°C), Tropical Monsoon Coastal (Min 14°C to Max 38°C), Tropical Wet-Dry ‘savanna’ (Min 11°C to Max 40°C), Tropical Wet-Dry ‘savanna’ Coastal (Min 17°C to Max 40°C), Tropical Wet-Dry Savanna Cool Plateau (Min 14°C to Max 36°C), Tropical Wet-Dry Savanna Hot Interior (Min 11°C to Max 48°C) |
|---|---|
| Pot Sizes (Diameter) | 2.5 Inches, 3 Inches, 3.5 Inches |
Fertilizer
| Weight | N/A |
|---|---|
| Climate Zone | Cold Hills (Min 1°C to Max 25°C), Cool Tropical Highland (Min 0°C to Max 25°C), Subtropical Hills (Min 5°C to Max 28°C), Subtropical Hot Arid (Min 4°C to Max 50°C), Subtropical Hot Semi Arid Continental (Min 4°C to Max 48°C), Subtropical Humid (Min 8°C to Max 42°C), Subtropical Monsoon (Min 8°C to Max 38°C), Subtropical Monsoon Highland (Min 7°C to Max 30°C), Subtropical Semi-Arid (Min 5°C to Max 44°C), Tropical Hot Semi-Arid (Min 14°C to Max 47°C), Tropical Mid-Elevation Monsoon (Min 9°C to Max 38°C), Tropical Monsoon Coastal (Min 14°C to Max 38°C), Tropical Wet-Dry ‘savanna’ (Min 11°C to Max 40°C), Tropical Wet-Dry ‘savanna’ Coastal (Min 17°C to Max 40°C), Tropical Wet-Dry Savanna Cool Plateau (Min 14°C to Max 36°C), Tropical Wet-Dry Savanna Hot Interior (Min 11°C to Max 48°C) |
| Pot Sizes (Diameter) | 2.5 Inches, 3 Inches, 3.5 Inches |
Toxicity
| Climate Zone | Cold Hills (Min 1°C to Max 25°C), Cool Tropical Highland (Min 0°C to Max 25°C), Subtropical Hills (Min 5°C to Max 28°C), Subtropical Hot Arid (Min 4°C to Max 50°C), Subtropical Hot Semi Arid Continental (Min 4°C to Max 48°C), Subtropical Humid (Min 8°C to Max 42°C), Subtropical Monsoon (Min 8°C to Max 38°C), Subtropical Monsoon Highland (Min 7°C to Max 30°C), Subtropical Semi-Arid (Min 5°C to Max 44°C), Tropical Hot Semi-Arid (Min 14°C to Max 47°C), Tropical Mid-Elevation Monsoon (Min 9°C to Max 38°C), Tropical Monsoon Coastal (Min 14°C to Max 38°C), Tropical Wet-Dry ‘savanna’ (Min 11°C to Max 40°C), Tropical Wet-Dry ‘savanna’ Coastal (Min 17°C to Max 40°C), Tropical Wet-Dry Savanna Cool Plateau (Min 14°C to Max 36°C), Tropical Wet-Dry Savanna Hot Interior (Min 11°C to Max 48°C) |
|---|---|
| Pot Sizes (Diameter) | 2.5 Inches, 3 Inches, 3.5 Inches |
Reviews
6 reviews for Astrophytum Ornatum (Monk’s Hood Cactus)
83%
16%
0%
0%
0%
Customer photos and videos


1-6 of 6 reviews
Add a review
Astrophytum Ornatum (Monk's Hood Cactus)
Your review
* Review is required
Name
* Name is required
Email
* Email is required
Add photos or video to your review
Related Products
Wisteria Sinensis (Purple) – Fragrant Climbing Vine | Garden Decor
- 🌸 Fragrant cascading flower clusters 15–30 cm long — drooping blue-violet to lavender-purple blooms with a distinctive grape-like scent
- ☀️ Full sun required — at least 6 hours of direct sunlight daily; partial shade reduces or prevents flowering
- 💧 About 1 inch (~25 mm) of water per week — keep soil consistently moist but never waterlogged; well-drained soil essential
- 🌡️ Adaptable across cold to warm climates (−29°C to 43°C); needs a defined cold season to set flower buds reliably
- 📐 Vigorous woody climber — 6–10 m (20–30 ft) in cultivation, twining counterclockwise around any sturdy support
- 🏆 Long-lived perennial — can thrive for over a century with proper pruning, becoming more spectacular each year



Healthy Plant
Healthy plant
This is lovely
Healthy plant 🪴