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Original source: Own work
Author: Michael Wolf
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Obregonia denegrii

Obregonia, the artichoke cactus, is a genus of cacti with a single species, Obregonia denegrii. The genus Obregonia is named after Álvaro Obregón. This rare species resembles an inverted green pine cone with a woolly center. It grows slowly in culture and requires little water. It is benefited by full sun and is multiplied by seed.

Obregonia denegrii at the Huntington Gardens in early July Recommended Temperature Zone: USDA: 9-11 Frost Tolerance: 20°F (-7°C) for short periods Sun Exposure: Light shade Origin: Mexico (Tamaulipas: Ciudad Victoria) Growth Habits: Solitary, globose stem, 3.2 to 5 inches in diameter (12 cm), greyish green to dark green, triangular tubercles, 0.8 to 1 inch wide at the base, 0.4 to 0. More

Obregonia denegrii (6,5) is available for only 12. More