Cannabis sativa L. Sex is determined by heteromorphic chromosomes X and Y : male is the heterogametic sex XY and female is the homogametic one XX. The sexual phenotype of Cannabis often shows some flexibility leading to the differentiation of hermaphrodite flowers or bisexual inflorescences monoecious phenotype.
However, only female non-pollinated plants produce smokable cannabis. This is called Sensimilla. Therefore, male plants are not very useful in most cases.
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In this how to grow article, Growers Network explains the whys and hows of determining the sex of your Cannabis plants. The following is an article produced by Growers Network. This article is for educational purposes only. We do not claim any responsibility for any legal or financial repercussions of your decisions.
Male pre-flowers are visible in the vegetative state when they are about six to eight weeks old. Always be sure to wait to induce flowering for your plants until you have seen the pre-flowers appear on each of your plants. Though it is not always best to determine a plants sex from its first pre-flowers since at times it may be rather difficult to accurately determine.
The female plants will soon produce pistils. Knowing the plant gender is helpful because most hobbyist cannabis growers would like to identify and remove male plants from the grow room early in the growing process. Cannabis pre-flowers appear at the base of leaves when male plants are about weeks oldand female plants are weeks old.
Our DNA-based method identifies the Y chromosome, making it possible to identify males at the seedling stage. Get results in as early as 2 business days, meaning more time for production and less time waiting for your plants to flower. Phylos accepts samples from all legalized states, countries, and regions for hemp and cannabis across the globe.
If you are growing marijuana for medicinal purposes, you need to know how to identify female and male marijuana plants. Almost all growers prefer female marijuana plants because only females produce the coveted buds needed for medicinal purposes. Male plants have low potency and THC content compared to the female plants, and they are kept to mostly produce seeds. Then, look for male plants to have thicker stalks and fewer leaves than their female counterparts.
Sexing marijuana plants might be considered as one of the most delicate parts of growing your own marijuana. While the process might be very straightforward, it sure will be a lot easier as you learn from experience. Just remember that the key to sexing marijuana plants is to observe the flowering, in which you can determine depending on the growth pattern.