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.
Advertisement. Primroses indoors are very susceptible to root rot, so it is important to keep them moist but not too moist. For proper primrose indoor care, water as soon as the top of the soil feels dry, but do not allow the soil to dry out as they will wilt and die quickly in dry soil.Primroses indoors also need high humidity.You can raise the humidity around the primrose plant by placing it on a pebble tray.It is important to your success of growing primroses indoors that these plants be kept in temperatures below 80 F. They grow best in temperatures between 50 and 65 F.(10-18 C.).ou can raise the humidity around the primrose plant by placing it on a pebble tray. It is important to your success of growing primroses indoors that these plants be kept in temperatures below 80 F. They grow best in temperatures between 50 and 65 F.(10-18 C.).