The taste of honeybush tea is similar to that of rooibos but a little sweeter. In English, red tea normally refers to rooibos tea. In South Africa, the non-Camellia sinensis beverage rooibos is popular. This anecdote is sometimes erroneously associated with rooibos tea ("Aspalathus linearis"). The most important cash crop is rooibos tea. The earliest available ethnobotanical records of rooibos tea originate in the late 19th century. Rooibos tea production is today the economic mainstay of the Clanwilliam district. Dr Nortier is today accepted as the father of the rooibos tea industry. The UTZ program for tea and rooibos was launched in 2007. This process produces the distinctive reddish-brown colour of rooibos and enhances the flavour. In 1904, Benjamin Ginsberg ran a variety of experiments at Rondegat Farm, finally curing rooibos. In 1930 Nortier began conducting experiments with the commercial cultivation of the rooibos plant.