Bees: Cactus that depend primarily on bees as pollinators produce two types of flowers. First are open bowl shaped blooms, the second is the flat disk or "daisy" shaped flower. Both may be absent ...

LOOKING like a cross between a Triffid and a gigantic sunflower, a 60-year-old cactus has smashed its way through a greenhouse roof to reach maturity - before it must die. By Mark Blacklock 16:53 ...

One year I ended up at a local garden shop and picked up [a] cactus for my collection. A couple years later it put out these awesome flowers, unlike others I had seen. It just kept blooming.