Autoflower – Marijuana Dictionary

by | Jun 14, 2023 | Marijuana dictionary | 0 comments

Discover the world of autoflower cannabis strains, which mature and produce buds based on time rather than changes in light. Typically bred by combining Cannabis ruderalis with other strains, autoflower strains offer unique advantages for growers.

For instance, someone might say, “I successfully grew and harvested these autoflowers in less than three months!” or “Surprisingly potent, considering it’s an autoflower.”

Understanding Autoflower Cannabis

Unlike regular cannabis plants that rely on reduced light to trigger flowering, autoflower strains follow their internal clock for bud production. Outdoors, traditional cannabis plants flower as the days shorten during fall, while indoor growers can manually control the flowering cycle by adjusting the light duration from 18 hours to 12 hours.

Originating in extreme northern climates, Cannabis ruderalis developed its flowering cycle based on time, adapting to automatic flowering irrespective of light conditions. This unique characteristic gave rise to the name “autoflower.”

Pros and Cons of Autoflower Cannabis

While autoflower strains historically had lower THC levels, modern breeding techniques combine ruderalis genetics with other strains to enhance potency while maintaining shorter grow times. Numerous popular strains now have autoflower versions, such as “Blue Dream Auto,” a cross between Blue Dream and ruderalis, retaining Blue Dream’s traits while enabling rapid growth.

One drawback is that autoflowers often undergo more crossbreeding, potentially diluting strain characteristics due to added ruderalis genetics.

On the positive side, autoflowers are ideal for beginner growers since they eliminate concerns about seasonal changes. These plants grow rapidly, allowing for the possibility of two harvests within the timeframe of a single regular harvest.

Enrico Bratta

Enrico Bratta

Medical cannabis professional based in Phuket, Thailand.


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Enrico Bratta

Medical cannabis professional based in Phuket, Thailand.