More ideas from Nebula
A male plant showing it's first preflower at 3 weeks from seed.

Male cannabis pre-flower - the male pre-flowers tend to have a "spade" shape (like from a deck of cards)

Learn the difference between male and female cannabis pre-flowers!

Learn the difference between male and female cannabis pre-flowers!

Cannabis Pre-Flowers: How to Tell Sex in the Vegetative Stage

Female cannabis pre-flower.

Cannabis Pre-Flowers: How to Tell Sex in the Vegetative Stage

When you see wispy white hairs growing from the "joints" of your cannabis plant, you know that you have a female plant!

Need to Discover the Sex of Cannabis Plants? While sexing has gained a reputation as one of the tougher parts of the cultivation process, there are s.

Female cannabis pre-flower. Even though you can't see a white hair/pistil yet, you know it's female because of the elongated shape.

Even though you can't see a white hair/pistil yet, you know it's female because of the elongated shape.

Female cannabis pre-flower. You can tell it's female because of the long, thin shape, even though it hasn't grown any white hairs/pistils yet.

Female cannabis calyx - can be confused with a pollen sac because it hasn't started growing pistils (hairs) yet, but one major difference is female pre-flowers tend to be more pointy than male pre-flwoers

Male cannabis pre-flower

A small pollen sac growing on a vegetative male cannabis plant - this preflower reveals the gender of the plant

Male cannabis pre-flower

Learn how to find tiny pre-flowers at the base of each leaf to determine the gender of your plant in the vegetative stage (at only weeks from germination)!

This cannabis plant is growing pollen sacs, which means it is male.

These pollen sacs indicate that this cannabis plant is male, and should be removed from the grow room as soon as possible!

Male cannabis pre-flower

Cannabis Pre-Flowers: How to Tell Sex in the Vegetative Stage

A diagram showing the difference between male and female cannabis pre-flowers. Using this as a guide, you can identify your plant gender when the plant is only 3-6 weeks old! No need to wait until the flowering stage.  Read the full tutorial here: http://www.growweedeasy.com/preflowers

Learn the difference between male and female cannabis pre-flowers!