Boojum Tree, Cirio (Idria columnaris)

Boojum Tree, Cirio
Scientific Name: Idria columnaris Kellogg
Synonym: Fouquieria columnaris
Family: Fouquieriaceae

Show Larger Picture Recommended Temperature Zone:
USDA: 9b-11

Frost Tolerance: Hardy at least to 20°F (-7°C)
Sun Exposure: Full sun
Origin: Central Baja California (Mexico) and isolated spots in mainland Mexico
Growth Habits: Deciduous stem succulent tree, up to 50 feet (15 m)
Watering Needs: Moderate water when in leaf, little to no water when dormant.
Propagation: Seeds

The Boojum Tree on location in Baja California are an extremely bizarre spectacle. They have a conical shape with branchlets spread somewhat regularly around the trunk.

Blooming Habits:
The Boojum tree has bell-shaped cream to yellow tubular flowers borne in 16 inches panicles (40 cm), in late summer, on trees that are taller than 6 feet (1.8 m)

Propagation:
The Idria columnaris is propagated by seeds. The seedlings don't go dormant for a couple of year, they need to be protected against cold and drought. They still grow excessively slowly.

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