If you want to talk numbers, it’s hard to go past taro. It’s cultivated in huge swathes all over the world as a food crop, so at any given time there are millions of them growing vigorously in paddocks and fields. That said, the recent indoor plant craze has prompted a real interest in the other, smaller elephant ear varieties. The Amazonia cultivars, especially Polly and Bambino, are all over social media, so they certainly meet the criteria for most popular.