Trichodiadema bulbosum (Trichodiadema)

Plant Profile

Trichodiadema bulbosum is a unique, caudiciform succulent (mesemb) from South Africa. It develops a swollen, tuberous root (caudex) that can be raised for display. The stems are slender, with small, cylindrical, green leaves tipped with a distinctive crown of white bristles (diadems). Small, magenta, daisy-like flowers appear in spring to summer.

Key Characteristics

• Family: Aizoaceae (ay-zoh-AY-see-ee)
• Genus: Trichodiadema (try-koh-dy-uh-DEE-ma)
• Species: bulbosum (bul-BOH-sum)

Growing Conditions

Full sun, extremely well-drained, gritty soil. Water sparingly. Frost tender (zones 10–11); grown as caudiciform specimen in pots.

Landscape Uses

Succulent collections, bonsai/caudex display, rock gardens in frost-free areas.

Maintenance

Raise caudex gradually. Dry winter rest. Protect from rain.