Blueberries will only grow in areas with cold winters, as they need a long period of cold weather during dormancy. If the temperature is too warm, they won’t develop fruit. However, newer varieties are being developed that don’t require such a long cold dormancy period...

"I used to think this plant got its name because it came from the Cape. I then discovered it was named after the cape-like husk that grows over the fruit", says edible gardening expert Jane Griffiths. Here's how to grow them...