About this species. Zingiber officinale is best known as the source of the pungent, aromatic spice called ginger. This spice is produced from the rhizome (underground stem) of the plant. Obtained by the Greeks and Romans from Arab traders, it was one of the first oriental spices to arrive in Europe.ingiber officinale (ginger). Ginger is a well known spice produced from the rhizome (underground stem) of the tropical herbaceous plant, Zingiber officinale.
The main particles in healthy soil are decomposed organic matter, these are things that are natural and were once living organisms. The more organic matter in the soil, the better moisture retention. So, the main thing to help re-hydrate your dry soil is by regularly adding organic matter and extra moisture.A few examples are 1  â. Compost â THE best form of organic matter.2  Compost is decomposing items that were once living.he more organic matter in the soil, the better moisture retention. So, the main thing to help re-hydrate your dry soil is by regularly adding organic matter and extra moisture. A few examples are 1  â. Compost â THE best form of organic matter. 2  Compost is decomposing items that were once living. 3  Eg fruit and veggie scraps.
It is important to know what kind of soil the perennials you are using in your containers prefer. If your soil is not in the correct pH range, the plant will not grow well if it grows at all. To make soil more acidic (to lower the pH), add aluminum sulphate or garden sulphur to the soil. This meter will measure the degree of acidity or alkalinity of your soil. 2  It is important to know what kind of soil the perennials you are using in your containers prefer. 3  If your soil is not in the correct pH range, the plant will not grow well if it grows at all.