You don’t have to use a pink pineapple core, however. Any color will do. The nice thing about pineapple cores is that they’re already the right shape and size for slipping into a water bottle.

A pineapple has been grown in a traditional hothouse in Wales for the first time in 100 years. Pineapples are difficult to grow in the UK and they were a bigger challenge in the 18th and 19th ...