Low levels of fruit set were measured in a commercial almond [Prunus amygdalus Batsch, syn. Prunus dulcis (Mill.) D.A. Webb] orchard during 3 years. Low sets may be attributed mostly to orchard design, as cultivars are distributed in contiguous rows where pollen interchange among different cultivars is not facilitated. An appropriate orchard design and proper bee management are essential for commercial yields in self-incompatible almond cultivars.