Oregano is a perennial herb that grows from 20-80cm in height. It has opposite leaves that measure between 1-4cm in length. Oregano will grow in a pH range between 6.0 (mildly acidic) and 9.0 (strongly alkaline) with a preferred range between 6.0 and 8.0. It has purple flowers that measure between 3-4mm in length and have erect spkes. It is also called wild marjoram.
So can gerbils eat oregano?
Unfortunately they can’t eat it. It is too high in fat for gerbils to eat. There are much better foods for gerbils to eat.
See nutritional facts here