Marijuana seedlings male or female8/13/2023 Hi Juan! Unfortunately, the color of the seeds does not tell you anything about its gender or strain. First signs of flowering stage: preflowers * 12L: 12D = 12 hours of light, 12 hours of darkness For flowering stage. * 18L: 6D = 18 hours of light, 6 hours of darkness. Kill all male and hermies plants ASAP, unless you’re planning on producing seeds. To start the flowering stage, just change the photoperiod from 18L:6D* to 12L:12D*. Later they form bell-shaped clusters of male flowers. Male pre-flowers look like little balls or bananas. Later they form clusters of female flowers called “buds”. Male pre-flowers appear: 3-4 weeks from germination When the plant has 5 or 6 internodes.įemale pre-flowers look like a pair of white hairs in V form (stigma) coming out from a green calyx. Pre-flowers start growing where the branches meet the stems, usually in the upper part of the plant, near the lights.įemale pre-flowers appear: 4-6 weeks from germination. To find out soon your plant gender and weed out the male and hermaphrodite plants before they start pollinating the females, especially if you don’t know where your seed comes from. How to tell if your plant is male or female? Or hermaphrodite? Let’s find out! Examine your plant closely! Preflowers are usually visible to the naked eye. How to identify male and female cannabis plants These changes in the phyllotaxy (leaves and branches growing along the main stalk) indicate sexual maturity in Cannabis plants, but they don’t show if a plant is male or female. When plants are ready to start growing preflowers and switch to the flowering stage, they start growing alternate leaves and branches sets. Wait a few more days until your plant is sexually mature! When plants are early in the vegetative stage, leaves and branches grow opposite to each other. How to tell when a marijuana plant is ready to flower This is the best-case scenario for the majority of cannabis home growers who want to harvest their own weed. These are usually called “ sinsemilla” (“seedless” in Spanish). But it has other uses, as collecting seeds to preserve Cannabis genetics or pollen.įemale plants that are deprived of pollen produce bigger and fatter buds with no seeds in them. Growing male and female cannabis plants together is not a good idea if you are planning on harvesting buds. When this happens, a male gametophyte (sperm cell) enters the female flower, fertilizes the egg and, long story short, a seed starts developing.Ī pollinated female plant will spend most of its resources growing lots of seeds and will stop developing the buds, thus reducing your yield significantly. Pollination occurs when pollen grains from male or hermaphrodite flowers reach female inflorescences (clusters of flowers a.k.a. Sexual reproduction in flowering plants involves a process called “pollination”. Be extra careful! Sexual reproduction in Marijuana plants Remember, a hermie plant will pollinate your female plants and those seeds will be hermies as well. It won’t work! Just kill those plants if you are not planning on producing seeds or harvesting pollen from males. Many of these small preflowers growing together will become the “buds” we all know, which contain the largest cannabinoids’ concentration. Female Marijuana plants may sprout from photoperiodic, automatic or feminized seeds.ĭo not try to cut off male or hermie flowers in an attempt to stop pollination. This structure is also known as “pistils”. Dioecious means each individual (plant) has either male or female reproductive organs. Monoecious means the plant has both the male and female reproductive organs in the same individual What’s the difference between male and female flowers?įemale Cannabis plants usually start to show sex with small preflowers, around weeks 4-6 from seed. Female preflowers look like a pair of white hairs (stigma) coming out from a green, round calyx. In this article, we’ll tell you about those features so you can easily tell if your plant is female, male or “hermie” and act accordingly.įirst of all, a Marijuana plant may be either male or female (dioecious) or hermaphrodite (monoecious). Luckily, each gender has unique characteristics that set them apart and help growers identify them easily. Every grower has asked these questions at some point. Perhaps the most frequently asked questions about cannabis home growing is how to identify male or female plants and how to tell the difference.
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