> African Violet fertilizers have high potassium formulae. Are they available > in your area? Those of us that regularly read the SRGS website will know that straight potassium sulphate (Sulphate of Potash) is used by many growers in the UK, and elsewhere. E.g. http://srgc.org.uk/discus/messages/… and much more information in the bulb logs on the website. Brian Whyer, Buckinghamshire, England, zone ~8