The process to remove caffeine from coffee beans using water was first developed in Switzerland in the 1930s, but was only trademarked as the Swiss Water Process in the '80s by a company in Vancouver, British Columbia.
How to Grow Primrose Flower Plants. Primrose is a hardy perennial flower, that includes a wide range of varieties. Primrose is native to Asia, Europe, and North America. In North America, they originally were found from the Midwest to the Northwest areas of the U.S.
Widespread throughout Britain and Ireland, Primroses are native to the British Isles. They do not cope well with prolonged dry conditions, and so in parts of south-east England in particular Primroses seem to be becoming increasingly scarce, probably not helped at all by the effects of climate change.