How long is the storage time for ground almonds in a plastic container?

Germany

Once packaged almonds are opened store them in an airtight container in a cool, dry, dark place and use them within three months. The contact of almonds with air will result in rancidity, because of their high fat content (around 55-60%) and change in taste. For the freshest flavour buy whole almonds and chop or slice them before each use. Commonly consumed tree nuts include walnuts, pecans, hazelnuts, macadamias, Brazil nuts, cashews, pine nuts and almonds. Although each nut varies in composition, research indicates that diets that include nuts result in measurable health benefits. Recent studies show that people who eat a serving of nuts several times per week decrease the incidence of deaths due to coronary heart disease, hypertension, congestive heart failure and stroke. Almonds are also a good source of Vitamin E and Magnesium, and a very good source of Manganese.