Denoted as (OP), open-pollinated seed varieties are pollinated naturally by wind, insects, birds, or humans.
F1 hybrid seeds are created through the selective cross-pollination of two different parent plants. Plants grown from F1 hybrids exhibit characteristics that are dominant in each parent, but are not identical to either.
Biodynamic seeds are open-pollinated varieties grown on soil that has been biodynamically cared for, adhering to strict guidelines about germination rates and following all biodynamic gardening principles (including no pesticide use and no complex treatment in labs).
This acronym stands for All-America Selection. It’s an award given by an independent American horticultural organization that tests new varieties of seeds every year and judges them based on performance.
Stratification (also called cold stratification) is the process of exposing seeds to cold and moist conditions to break their dormancy and promote germination.