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.
Primroses are perennials that come from climates ranging from mild to extreme, in a range of sizes from a few inches to a few feet tall. Although there are many species, only a few are widely available. Find rare types through plant societies and catalogs.cientific name: Primula species. If you love the primrose's surreal colors but don't have an outdoor garden, consider growing it as a house plant. We'll show you how in the next section. 1  Perennial Flowers: Fill your garden with beautiful perennial flowers.