If the varieties that you have planted are similar (same color, height, habit), then try bending a pod on each: snap pea pods are crisp and snap when bent, while snow pea pods are more flexible and not easily snapped. The snow pea pod may also be a bit more translucent.
If the varieties that you have planted are similar (same color, height, habit), then try bending a pod on each: snap pea pods are crisp and snap when bent, while snow pea pods are more flexible and not easily snapped. The snow pea pod may also be a bit more translucent.