Echinocactus grusonii Hildm.
Golden Barrel Cactus, Golden Barrel, Golden Ball Cactus, Golden Ball, Mother-in-Law’s Cushion, Mother-in-Law’s Seat
Echinocactus grusonii is a cactus with single slowly growing globe-shaped stem that became elongated (barrel-shaped) in maturity, up to 3 feet (90 cm) in height and spread. Cultivated usually only grow up to inches (30 cm). Stem is pale green and heavily ribbed with numerous areoles sprouting radial, yellow spines. Flowers are yellow up to 2 inches (5 cm) wide and form a circular ring at the top of the plant only on larger mature specimens receiving enough full sun.
USDA hardiness zone 9a to 11b: from 20 °F (−6.7 °C) to 50 °F (+10 °C).
How to Grow and Care
Golden Barrel Cactus is fairly quick growing at first. Then the growth rate slows right down. So you can expect to wait about 10 years for the cactus to reach 10 inches (25 cm) in diameter. Like most cacti they’re drought tolerant and need very little care and attention to grow well. Not enough sunlight and overwatering are common mistakes. When handling, it’s best to use gloves to protect your hands from the prickly spines.
When they are young and growing, it is best to repot these once a year. During spring in a slightly bigger container. Once they mature repot maybe every 2 to 3 years or when necessary… – See more at: How to Grow and Care for a Golden Barrel Cactus (Echinocactus grusonii)
You can sow Golden Barrel Cactus seeds outdoors in warm climates, but sowing them indoors is easier and will result in a higher germination rate. Expect the seeds to germinate in one to two months… – See more at: How to Grow Golden Barrel Cactus from Seed
Native to Mexico (Querétaro).
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