Stigma

Definition - What does Stigma mean?

A stigma is a part of the flower of a cannabis plant. It is hair-like projection that grows from the pistil of the female plant’s flower. In a unisex environment, the stigma serves no purpose. However, in the wild or a dual-sex environment, the stigma will collect pollen from male plants so that buds can grow seeds.

Hydrolife explains Stigma

The marijuana plant’s flowers share most of the physical characteristics and structures common to other flowers in nature. That includes the stigma. In cannabis growing, the stigma is the hair-like projection that grows from the pistil of the flower. The pistil is where you will find the reproductive portions of the flower.

The stigmas project outward from the pistil, and in a dual-sex environment or in the wild, are responsible for collecting pollen from male flowers. However, in a cannabis growing situation, male plants are unwanted and unnecessary. Therefore, the stigma has no actual role to serve. With that being said, they can be used to determine the maturity of the plant in question, and help the grower prepare for bud harvesting at the earliest opportunity.

Immature stigmas are usually white in color. From that point, they darken as the plant ages. The next stage will be a yellow color, fading to orange and then red. Once the stigma turns brown, the plant is usually ready for harvesting.

Note that while other parts of the flower play critical roles in the ultimate potency and taste of the finished product, stigmas have virtually no impact.

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