Pre-Flower of Uncertain Gender Female Marijuana Plant Pictures Female marijuana plants take a bit longer than males to show their first signs after being changed over to flowering. Female marijuana plants start showing one or two wispy white hairs where their buds are going to start forming.
If a female plant is kept in the vegetative stage long enough the length of time varies depending on the strain and conditions , then she will start showing the first sign of female hairs even before you move the plant into the flowering stage by changing the light schedule. If you see wispy white hairs appearing on your plant like the ones pictured below, then you know you have a female plant.
Click on thumbnails for larger picture In this pic, you can see white pistils emerging from the calyxes. Female pistils are white and wispy, never green.
Male Marijuana Plant Pictures Male plants have grape-like balls which form and fill with pollen. The balls will first show up a week or two after changing the plants over to the flowering stage.
If the male is allowed to continue growing, eventually these pollen sacs will burst open and spill pollen everywhere. When the plant starts flowering, they will grow and turn into bunches that almost look like grapes. Click on thumbnails for larger picture What about plants that display both male and female parts? Uncertain pre-flower — ended up being female! Sometimes it takes a day or two for a female pre-flower to release her first pistil, and the female calyx can look like the beginning of a pollen sac.
Marijuana plants go through 2 life stages: Most growers give their plants hours of light a day during the vegetative stage. You get marijuana plants start flowering making buds by changing your light schedule to How Light Schedules Affect Marijuana Life Stages Marijuana plants have an internal process where they can detect how long they receive uninterrupted darkness each day.
I tend to set my timer in flowering to shine line from 7pm-7am. This gives me time to check on my plants at night when the lights first come on, and I can also check them quickly in the morning before I go to work. It also keeps things cooler since the lights are on at night. This makes sense if you consider that in the wild, a stormy or cloudy day could shorten the light period a plant receives, but few things in the wild will interrupt the darkness of night.
This has been experimentally verified by some out-of-the-box thinkers. They gave marijuana plants different amounts of light and dark, then watched what happened. In fact, you could give plants 12 hours of dark followed by 24 hours of light, on a regular basis, and plants would continue to flower as long as their darkness was uninterrupted for 12 hours at a time. Photoperiod dependent strains vs. Learn more about auto-flowering cannabis strains Marijuana plants have a gender: Is my plant Male or Female?
After weeks of the light schedule, most marijuana plants will reveal the first signs of their gender they either are a female plant and start growing buds, YAY! What about plants that display both male and female parts? Why do I not want male marijuana plants? Male marijuana plants only make pollen sacs that they use to fertilize the females.
Most growers will throw away any male plants that they encounter to keep them from fertilizing the female plants. If your female plants do get fertilized, they will use all their energy to produce seeds instead of making buds. This is good if you want seeds, but you will run into the same problem since half of the seeds will also be male. Getting clones of female marijuana plants or buying feminized seeds online from a seed bank are other ways you can ensure that all your marijuana plants are female.
A vigilant grower can carefully watch their plants and remove males when they develop the first signs of pollen sacs. How to identify female plants if starting out with regular bagseed?
Learn exactly where to look to find preflowers Tactic 2: Taking a clone and flowering it The following method can help you identify gender for plants that are taking a while to show their pre-flowers.
Lots of pictures of male and female parts above. If so, then you can use to following technique to identify and remove all the males from your grow.
How to Determine Sex of a Marijuana Plant You can wait until your plants naturally show the first signs of their gender and then remove all the males, but that means you have to watch the plants closely. You also will waste time and energy growing plants only to find out that some or all are male and have to throw them away.
If you want to be more proactive and get rid of all male plants right away, then use this technique. Take a clone from the unverified marijuana plant Label both the clone and the mother plant so you know which clone came from which corresponding mother. Once the clones have established roots, change just the clones into flowering mode by providing them with a light schedule of 12 hours on, 12 hours off The clones should start revealing their gender in a week or two.
Males will start developing balls and females will start developing white hairs. Click on the pictures below to see some examples of male and female plants. Once you have determined the gender of your clones, you should make sure you throw away any corresponding male plants.