Cereus Forbesii f. Monstrose
Common Name: Ming Thing

Cereus Forbesii f. Monstrose, affectionately known as the Ming Thing, is a fan-favorite among collectors for its bizarre, brainy, and sculptural growth habit. This monstrose mutation produces chunky, knobby blue-green segments that stack and curl in unpredictable ways, giving it a shape that resembles something out of a fantasy landscape—or a coral reef.

Slow-growing and compact, the Ming Thing thrives in containers and is perfect for collectors of rare, architectural cacti. Its short stature and alien-like form make it a striking addition to any succulent shelf, dish garden, or modern indoor display.

☀ Light Requirements
Prefers bright, indirect sunlight to full sun. Outdoors, give it full morning sun and some afternoon shade. Indoors, place near a bright window for best growth and form.

💧 Watering Needs
Water deeply only when the soil is completely dry. Overwatering is the main danger—this cactus stores moisture in its thick stems and prefers a dry, gritty mix. Water sparingly in winter.

🌡 Temperature Tolerance
Hardy to around 30–35°F in dry conditions. Protect from frost and damp cold. For winter orders, consider adding a [Heat Pack].

✨ Special Features
• Monstrose Growth – Wild, lumpy, coral-like shape with one-of-a-kind form
• Bluish-Green Color – Subtle powdery blue tone enhances its sculptural look
• Compact & Collectible – Great for small pots and centerpiece displays

Other Common Names:
Ming Thing Cactus, Brain Cactus (not to be confused with Mammillaria elongata ‘Cristata’), Monstrose Cereus

This cactus will ship bare root and will be ready to place directly in a well draining soil mix like our Custom Cactus Mix.

Photos in the listings unless otherwise specified are representative of the plant that will be sent to you.
However, Plants grow differently and each plant may vary slightly in shape, size, growth pattern, etc.
Of course, if you receive a plant that you are dissatisfied with please reach out to us. We want to make it right!

If temperatures near you are below 45℉ we highly recommend adding a Heat Pack to your order.
If temperatures where you live will be much lower than 20℉ even heat packs may not work. You may consider waiting until things warm up a bit. We know you love your plants just like we do and we wouldn't want any of them to freeze.