Golden barrel cactus is very easy to care for and can survive relatively dark conditions, however; it does prefer a sunny spot.
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The golden barrel cactus forms a single very round globe of often gigantic dimensions: Specimens four feet in diameter are not unusual. Its ribs are lined with hooked yellow spines. The top of the plant is covered with thick, white wool. The yellow, cup-shaped flowers are rarely produced indoors and, even then, only on mature specimens.
This cactus can tolerate low light for a surprisingly long time, showing no signs of growth and needing almost no water. It will, however, suddenly rot away. For healthy growth, full sun is required.
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