Properties are tastes,temperatures, and qualities of an herb.
The possible tastes are sweet, sour, bitter, pungent, bland, salty, astringent, and aromatic. It may have other qualities such as toxic. The possible temperatures are cool, cold, warm, neutral, and hot. It is very important to understand that herbs do not possess one quality. They are most always a combination of properties and temperatures and may reach one to as many as twelve organ systems.