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.
Primrose Care. Primrose perennials should be planted in lightly shaded areas with well-drained soil, preferably amended with organic matter. Set primrose plants about 6 to 12 inches apart and 4 to 6 inches deep.Water thoroughly after planting.f primrose plants are not getting enough drainage, they may also be prone to crown rot and root rot. This can be easily fixed by amending the soil with compost or relocating the plants to a well-drained site. Too much moisture can also make the primrose flower susceptible to fungal infections.