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Echinocactus

Barrel Cactus
Cactaceae
Cacti and succulents

Large, cylindrical cacti with prominent ribs and stout thorns. Many are native to the Southwest. Best known in gardens is E. grusonii, golden barrel, a Mexican cactus of slow growth to 4 ft. tall, 2 1/2 ft. in diameter. With age, often produces offsets to form clumps 6 ft. across. Showy, stiff, yellow, 3-in. spines; yellow, 1 1/2–2-in. flowers at top of plant in summer. Protect from hard frosts. Water every couple of weeks in summer.

 

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