In Sao Paulo, where more than 90% of the country's peanuts are produced, the optimal planting months are between October and December. The harvest takes place from late February until April. The peak availability of peanuts is from May to July when peanuts have gone through the process of being cleaned and dried and are available in the market. These are also the peak export months for peanuts from Brazil.
Most of the states in the Southern Hemisphere follow a similar seasonality.
In the Northern Hemisphere, peanuts are planted from late February until early April. The harvest takes place between May and July.