Weed plants have either male and female sex reproduction. This is because to produce seeds for the next generation. The sex of the weed plant can be determined by what grows between the nodes of the plant. The male weed plant has a pollen sac while the female weed plant will have a stigma. The pollen sac will produce the pollen which the stigma of the female plant will catch.
It is important that the plants will not experience stress during its development. The plants will not have successful pollination and might cause its early death. Utmost care for the weed plants is important like keeping them in a safe environment where they will not get damaged by bad weather, insects, diseases, and nutrient deficiencies.