Barrel Cactus

Echinocactus grusonii, popularly known as the Golden Barrel Cactus is a well known species of cactus, and is endemic to east-central Mexico. My barrel cactus in Sunnyvale is 14 inches wide by 11 inches tall and is 30 years old. It started in a 4-inch pot. The plants do have some basic requirements; an average minimum winter temperature of 12°C (53.6ºF); and good drainage with less watering in winter. Excess water in cool periods may lead to rot. Golden Barrels are hardy to about 15ºF (-8ºC) for brief periods.

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