The name says it all: Fat Banana Auto smells of tropical fruit and grows large, chubby flowers. She is the autoflowering version of Fat Banana, the aromatic Banana x OG Kush hybrid known for its intense scent, high THC and rewarding yields. Royal Queen Seeds crossed that photoperiod with Cookies Auto and refined the line over several generations to create a fast, impressive indica-dominant auto.
The genetics break down to 70% indica, 20% sativa and 10% ruderalis. That ruderalis share means no light switch and no waiting for short days: plants bloom automatically, making Fat Banana Auto easier to grow than ever.
From seed to harvest she needs only 65 to 70 days, about 9 to 10 weeks. Indoors she stays at 2 to 3 feet (60–90 cm) and yields 13 to 16 oz/m² (370–455 g/m²). Outdoors she grows to 3 to 4 feet (90–120 cm) and returns 3 to 6 oz/plant (85–170 g/plant).
Effects, Aroma and Flavor of Fat Banana Auto
Fat Banana Auto inherits the indica-heavy character of her predecessor. With up to 22% THC, a high level for an autoflower, her effect takes hold quickly and draws you into a euphoric, calming relaxation while the mind stays reasonably clear. It is ideal for evening sessions: cook something good, put on a film and settle in for a few hours.
The bulbous buds carry a fruity, sugary terpene profile. Expect banana up front with sweet tropical fruit and an earthy finish, plus a touch of citrus that keeps the flavor lively. The aroma is strong, so plan for odor control indoors.
Growing Fat Banana Auto Seeds
Fat Banana Auto is made for growers who want results fast. Sow straight into the final pot, run 18/6 or 20/4 lighting throughout, and use gentle LST in the early weeks to widen the canopy. Skip heavy pruning; autos have little time to recover from high-stress techniques.
Her compact size makes her a great fit for small tents, balconies and patios. Outdoors, Royal Queen Seeds rates her for long summers, and the short cycle means you can stagger sowings for two or more harvests in a single season. Give each plant plenty of sun, airy soil and a light feeding schedule, and she will reward you with chunky, resinous colas.
Keep humidity moderate as those fat buds swell in the last weeks; good airflow is the simplest way to keep them clean and dense.
Fat Banana Auto Characteristics
| Strain type | Autoflowering (feminized) |
| Genetics | Fat Banana x Cookies Auto |
| Indica/Sativa | 70% Indica / 20% Sativa / 10% Ruderalis |
| THC | Up to 22% |
| CBD | Low |
| Effect | Calming, clear |
| Flavor | Banana, earthy, fruity |
| Indoor yield | 13 to 16 oz/m² (370–455 g/m²) |
| Outdoor yield | 3 to 6 oz/plant (85–170 g/plant) |
| Seed to harvest | 65–70 days from germination (about 9–10 weeks) |
| Height | Indoors 2 to 3 feet (60–90 cm); outdoors 3 to 4 feet (90–120 cm) |
| Climate | Suited to regions with long summers |
| Best cultivation technique | Gentle LST, no transplanting, 18/6 or 20/4 light |
FAQ
How long does Fat Banana Auto take from seed to harvest?
About 65 to 70 days after germination, roughly 9 to 10 weeks.
Do I need to switch to 12/12 for Fat Banana Auto?
No. She flowers on her own. Most growers keep 18/6 or 20/4 from start to finish.
How strong is Fat Banana Auto?
THC reaches up to 22%, which is high for an autoflower. The effect is calming with a clear head.
What does Fat Banana Auto taste like?
Banana and sweet tropical fruit with an earthy finish and a touch of citrus.
How big does Fat Banana Auto grow?
Indoors 2 to 3 feet (60–90 cm); outdoors 3 to 4 feet (90–120 cm).
How does Fat Banana Auto differ from Fat Banana?
The auto flowers automatically and finishes 65 to 70 days from seed, with up to 22% THC. The photoperiod Fat Banana reaches up to 25% THC and grows much larger outdoors.
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