While saffron itself involves no animal harm, associated agricultural practices and pest control in spice production affect insects, birds, and small mammals in growing regions.
Spice agriculture welfare is primarily an indirect concern: habitat conversion, pesticide use, and rodent control in farming regions affect wildlife populations that depend on agricultural landscapes. The shift toward organic certification reduces some pesticide-related harm. Pollinator welfare is directly relevant — vanilla and spice crops dependent on bee pollination suffer when habitat loss reduces wild bee populations. Supporting certified organic and shade-grown products benefits both wildlife and product quality.