Natural populations of bees and other insects will sometimes be adequate. As an alternative, pollen movement is possible by hand or brush but seed set will often be low. Within 4 to 6 weeks after pollination the developing seed turns brown. Late-season rains can reduce seed yield drastically. Remove spines from dry seed by rubbing.
Seed is now ready to plant since carrot has no seed dormancy.
Store dry seed refrigerated in a moisture-proof container.