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weed seeds feminized vs autoflowering

When autoflower seeds first appeared around ten years ago, they were generally considered less potent due to the fact that the autoflower gene originates from the Ruderalis species of cannabis (which has very low levels of THC).

They also require a simple lighting schedule and are more resistant to temperature fluctuations, pests and fungi, offering a perfect way for beginners to get into cannabis growing.

However, this is not true if you grow autoflowering seeds in optimal conditions, without pruning them, and with sufficient time to complete their automatic flowering cycle without rushing or interfering with the process. If you do it right there is nothing to worry about!

Which seed type is right for you?

The length of the grow cycle is an important factor for many growers. If you are looking for multiple harvests a year all year round, then autoflowers are definitely your best bet. Generally, the average time from seed to harvest for an autoflower is between 8-12 weeks.

Autoflower vs feminized, engineered vs regular, trained vs untrained seeds. No matter how you slice it, there is a dizzying variety of seed types to select from when growing your own marijuana.

If you’re looking for maximum potency and the greatest yield possible, then feminized seeds are definitely the way to go. If you’re just starting out growing or are limited in knowledge, experience, space and time, then autoflower seeds might be the choice for you as they provide the quickest and easiest way to a bountiful yield.

You can expect bigger plants and a greater yield with feminized seeds, with the smokeable cannabis often being more potent than cannabis grown from autoflower seeds.

Many growers value speed above all else. If you want to harvest in as little time as possible, autoflowering seeds fit the bill.

Occasionally, they’ll flip sexes in an attempt to fertilise themselves. They produce oddly shaped pollen-producing structures known descriptively as “bananas”.


Because they produce males, regular seeds are popular among breeders creating new strains. Males produce pollen that breeders use to fertilise female flowers, creating the next generation of seeds.

Breeders create autoflowering seeds by using _Cannabis ruderalis_ genetics—the subspecies that contains the autoflowering trait.

Use the guide below to learn what makes each type of cannabis different. By the end, you’ll know which type flowers the fastest, which makes the best clones, and which variety to use for breeding.