G13 Autoflower brings legendary Afghan character into a fast, compact grow. Expect a cheerful lift, deep body relaxation, and a rich blend of fruity sweetness and herbal depth. With a sturdy frame, heavy resin production, and an 8–10 week life cycle, this indica-dominant auto is built for rewarding harvests across the season.

Our breeders created G13 Autoflower by crossing classic G13 (Afgana) with ruderalis. Its genetic balance is 90% indica and 10% sativa, pairing a robust, compact structure with a subtle touch of mental uplift. The result carries the mystique of renowned G13 genetics in an easygoing autoflowering format.

Sweet fruit leads the aroma, followed by herbal notes and a gentle woody edge. On the palate, sugary, fruity flavors mingle with the resinous character of its Afghan heritage. Dense buds develop a frosty coat of trichomes and deliver a smooth, flavorful smoke.

With THC levels listed at 22–24%, G13 Autoflower offers a potent experience. A happy, talkative lift sets the tone before a deep wave of relaxation settles through the body. It suits evening downtime and unhurried social moments. Effects vary by person.

Borneol contributes a cool, camphor-like note with woody, herbal depth. Terpineol adds soft floral sweetness, rounding out the strain’s calming aromatic profile. Together, these terpenes complement G13 Autoflower’s fruity, herbal character. Its resin-rich buds also make an appealing choice for growers interested in aromatic extracts and concentrates.

These are autoflowering seeds, so plants progress into flowering without a change to the light schedule. That simple rhythm makes G13 Autoflower a welcoming option for newer growers. Its compact height of around 1.2 m suits discreet spaces, while germination is guaranteed under Grassfarmer’s terms.

Early growth rewards a steady start. Choose quality, well-draining substrate, such as coco coir, peat, or a suitable mix with perlite, and provide consistent care as seedlings establish. Indoors, growers commonly choose an 18/6 or 20/4 light cycle. Outdoors, a bright, sunny position helps plants make the most of the season.

G13 Autoflower is sturdy, moderately easy to grow, and suited to indoor or outdoor cultivation in temperate conditions. Keep an eye on pests and maintain good airflow around its branches. Match feeding to each growth stage, and keep temperature and humidity appropriate to the environment as the plant develops.

From seed to harvest, the full cycle takes about 8–10 weeks. Under favorable conditions, indoor yields can reach 450–500 g/m², while outdoor plants can produce up to 750 g each. Expect dense, resin-coated flowers and a harvest window that can fit into multiple rounds across the season.

Bring home G13 Autoflower seeds from Grassfarmer in small or bulk quantities. Our expert-bred genetics come at low online prices, with fast, discreet shipping and guaranteed delivery across the USA, Canada, the European Union, and the U.K. Germination is guaranteed. Add this compact, resin-rich classic to your garden and get your next grow underway.

Attributes

Climate Temperate
Effects Happy, Relaxed, Talkative
Flavors Fruity, Herbal, Sweet
Genetics 90% Indica / 10% Sativa
Harvest Month All Season
Height 3.94 ft | 1.2 m
Indoor Yield 1.47–1.64 oz/ft² | 450–500 g/m²
Life Cycle 8–10 weeks
Lineage G13 (Afgana) x Ruderalis
Medicinal Arthritis, Insomnia, Pain
Outdoor Yield 26.46 oz/plant | 750 g/plant
Sex Feminized
THC 22%–24% (High)
Terpenes Borneol, Terpineol