How to Grow Red Strawberry Banana Autoflower
Red Strawberry Banana is a colorful, fast-finishing autoflowering strain that crosses Strawberry Banana with Red Poison Auto. It is a 70/30 indica-leaning plant with a medium 15-20% THC, a diesel, fruity and sweet flavor, and a euphoric, happy, relaxed and creative effect. Compact, red-tinged and ready in just 8 weeks from seed, it is an easy, beginner-friendly auto with a lot of character.
As an autoflowering strain, Red Strawberry Banana flowers automatically with age rather than waiting on a change in the light cycle, so there is no need to switch it to shorter days. You simply give it long days from start to finish and it starts flowering on its own after a few weeks, running its whole life cycle in about 8 weeks from seed to harvest. That speed and simplicity are exactly what make autos so easy to grow.
Recommended Strains
Red Strawberry Banana Auto
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THC | 15% - 20% (Medium) |
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Type | Autoflowering |
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Yield | High |
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Phenotype | 70% Indica / 30% Sativa |
Red Skunk Kush Auto
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THC | 12% - 16% (Medium) |
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Type | Autoflowering |
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Yield | Medium |
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Phenotype | 75% Indica / 25% Sativa |
Colorful, fruity and quick, Red Strawberry Banana Autoflower is a rewarding auto to grow whether you are new to it or experienced. You can see the full genetics and buy Red Strawberry Banana Auto seeds on the strain page, and browse the rest of our autoflowering seeds alongside it.
Strain Profile at a Glance
| THC | Medium (15-20%) |
|---|---|
| Lineage | Strawberry Banana x Red Poison Auto |
| Type | Autoflowering |
| Genetics | 70% Indica / 30% Sativa |
| Climate | Tropical, warm |
| Life cycle | 8 weeks seed to harvest |
| Harvest (outdoor) | All season |
| Height | 3.94 ft / 1.2 m |
| Yield indoor | 1.31-1.8 oz/ft² (400-550 g/m²) |
| Yield outdoor | 1.76-4.23 oz/plant (50-120 g/plant) |
| Grow difficulty | Easy, beginner-friendly |
| Flavors | Diesel, Fruity, Sweet |
| Effects | Euphoric, Happy, Relaxed, Creative |
Promos & Deals
Growing an Autoflowering Strain
Red Strawberry Banana flowers on its own schedule, starting to bloom a few weeks after it sprouts no matter how long the days are. That means you keep it under long light the whole way through, typically 18 hours on and 6 off, or even 20/4, from seedling right to harvest; there is no switch to a shorter day to trigger flowering. The trade-off is that you cannot delay flowering to grow the plant bigger first, so every week of healthy early growth counts.
Because autos grow fast and do not like having their roots disturbed, start Red Strawberry Banana in its final pot rather than transplanting it. Sow the seed straight into the container it will finish in, go easy on the feed while it is young, and let it establish without a check. With a very short life cycle of around 8 weeks from seed to harvest, a smooth start is the single biggest thing you can do for a strong, even finish.
Climate and Where to Grow It
Red Strawberry Banana suits a warm, tropical-leaning climate and, like most autos, it is flexible about when you plant it. Because it flowers on age rather than on the season, you can run it at almost any time where the weather is warm enough, which is why its harvest window is listed as all season; outdoors you can even fit in more than one cycle in a long, warm year. It is happy both indoors in a tent and outdoors in a sheltered, sunny spot.
Yields are high for an auto, giving around 400-550 g/m² indoors, while outdoors it produces a more modest 50-120 g per plant, as autos typically do on a single short cycle. At a compact 1.2 m it is easy to tuck into a small tent or a sunny corner, so the main job is keeping the canopy open and supporting the colorful colas. As a standout from our best autoflowering seeds, it packs a lot of color and flavor into a small, quick plant.
Keep humidity sensible through flowering to protect those dense, resinous buds: around 55-60% early on, nearer 40% as the flowers fill out, and lower toward harvest. A resin-heavy auto can trap moisture inside its colas, so steady airflow keeps the finish clean. Aim for temperatures around 68-80°F (20-27°C), and let the nights cool a little late in flower to bring out the red and purple tones from its Red Poison side.
Feeding Schedule (EC Guide)
Red Strawberry Banana is a vigorous auto, but autos want a lighter hand than photoperiod plants, so keep the feed modest and build slowly. Start very light, raise it gently as the plant grows, push a little more phosphorus and potassium through flower, then flush at the end so the diesel, fruity and sweet notes come through clean. The ranges below are a starting guide; adjust to your water and medium.
| Stage | EC (mS/cm) | Notes |
|---|---|---|
| Seedling | 0.4-0.6 | Very light feed while roots establish in the final pot |
| Early growth | 0.8-1.2 | Raise nitrogen gently as the plant builds size |
| Early flower | 1.2-1.4 | Shift toward bloom nutrients (P and K) |
| Full flower | 1.4-1.6 | Peak bloom feed while the buds swell |
| Flush | 0.0-0.4 | Plain water for the final 1-2 weeks |
Flowering and Harvest
Red Strawberry Banana starts flowering a few weeks from sprouting and runs its whole cycle in about 8 weeks from seed to harvest, with no change in the light cycle needed. It fills out with dense, resin-coated, trichome-frosted buds that take on striking red and purple tones in a cool finish, developing a diesel-forward aroma over a sweet, fruity base. Because it flowers on age, its harvest comes on a fixed, fast timeline.
Yields are high for an auto indoors, around 400-550 g/m², while outdoors a single plant gives a more modest 50-120 g. Keep the compact colas supported and the canopy open so the lower buds get light, feed it lightly through flower, and harvest when most of the trichomes have turned cloudy with a few amber for the fullest fruity-diesel flavor and the deepest color.
Drying and Curing
Dry whole plants or branches in a dark room at around 60°F (15-18°C) and 55-60% humidity for 7-14 days, until the thin stems snap rather than bend. A slow, even dry matters with dense, resinous buds, because they can stay damp in the middle while the outside dries, and a gentle dry protects both the fruity-diesel aroma and the red-purple color.
Then cure the trimmed buds in sealed jars, burping them daily for the first week and letting them settle for three to four weeks. A proper cure is what brings out the diesel, fruity and sweet notes and smooths the smoke, and it also helps preserve the striking red color that makes this auto stand out.
What to Do With Your Trim
Don’t bin the sugar leaves you remove while manicuring. Red Strawberry Banana is a resinous plant, so its trim is good for dry sift, bubble hash or rosin. That resin and sweet, fruity-diesel aroma carry right through into a concentrate, so saving the trim turns offcuts into a flavorful, aromatic run rather than waste.
Flavor and Terpenes
Red Strawberry Banana leads with a diesel-forward flavor over a sweet, fruity base inherited from its Strawberry Banana side, a lively and distinctive profile for an auto. It is a smooth, flavorful smoke, and a good cure really brings that fruity-diesel character forward in the jar and on the inhale.
Its terpene profile shapes that flavor. Caryophyllene drives the warm, peppery, diesel-like pungency, while myrcene rounds out a sweet, fruity base and humulene adds a woody, earthy depth. A touch of terpinolene lifts the profile with a fresh, herbal edge. Together these terpenes frame the diesel, fruity and sweet character Red Strawberry Banana is known for.
Effects and Best Use
With its medium 15-20% THC and indica-leaning 70/30 make-up, Red Strawberry Banana delivers a balanced, approachable experience. It is reported as euphoric, happy, relaxed and creative, pairing a bright, upbeat head with a comfortable, settled body, which makes it a versatile strain for the later part of the day. Its medium potency keeps it easy to enjoy and easy to dose.
That euphoric, happy, relaxed and creative profile makes it an easygoing all-rounder, good for unwinding or a creative afternoon while enjoying its sweet, fruity-diesel flavor and striking red looks. The combination of a fast, compact, beginner-friendly auto grow, a balanced effect and a colorful, flavorful finish is exactly why this autoflower stands out.
Common Problems and Pro Tips
Red Strawberry Banana is forgiving, but autos reward a careful start. Sow it straight into its final pot to avoid a transplant check, go light on the nutrients while it is young, and do any training early and gently, because once an auto starts flowering it will not recover lost time. Heavy topping late can cost you yield, so stick to low-stress training and only while the plant is still growing.
At a compact 1.2 m it is easy to manage, so the main jobs are keeping the air moving around its dense buds and supporting the colas as they fill out with resin. Hold humidity sensible through flower and defoliate a few of the largest fan leaves so light reaches the lower buds. To bring out the red and purple color, let the nights cool by a few degrees in the last couple of weeks of flower.
As a pro tip, protect what makes this plant special: keep the feed modest, finish with a proper plain-water flush, and give it a full three to four week cure to bring out the fruity-diesel flavor and preserve the red color. Save the resinous trim for concentrates, and harvest when most trichomes are cloudy with a few amber for a balanced, flavorful result from a quick, easy grow.
FAQ
Is Red Strawberry Banana an autoflowering strain?
Yes. Red Strawberry Banana Auto flowers automatically with age rather than on a change in the light cycle, so you keep it under long days, usually 18/6 or 20/4, from seedling to harvest. It starts flowering on its own a few weeks after sprouting and runs its whole life cycle in about 8 weeks from seed to harvest, which makes it fast and simple to grow.
Should I transplant Red Strawberry Banana?
No. Autos grow fast and do not like having their roots disturbed, so start Red Strawberry Banana straight in its final pot rather than transplanting it. Sow the seed into the container it will finish in, go easy on the feed while it is young, and let it establish without a check. A smooth, uninterrupted start is the single biggest thing you can do for a strong finish.
How do I get Red Strawberry Banana to turn red?
The red and purple tones come out when the nights cool by a few degrees in the last couple of weeks of flower. It is a trait from its Red Poison side, so a cool, dry finish encourages the color to show in the buds and leaves. A slow, gentle dry then helps preserve that striking red color through to the jar.
How long does Red Strawberry Banana take?
Red Strawberry Banana runs its whole life cycle in about 8 weeks from seed to harvest, very fast even for an auto, because it flowers on age rather than on the season. That short, fixed timeline means you can plant it almost any time where it is warm enough, and outdoors you can fit more than one cycle into a long, warm year.
What does Red Strawberry Banana taste like?
Red Strawberry Banana has a diesel-forward flavor over a sweet, fruity base from its Strawberry Banana side. Caryophyllene drives the peppery diesel pungency, myrcene a sweet fruity base, humulene a woody depth, and terpinolene a fresh herbal lift. A proper three to four week cure really brings that fruity-diesel character forward on the inhale.
How much does Red Strawberry Banana yield?
Red Strawberry Banana is a high yielder for an auto indoors, giving around 400-550 g/m², while outdoors a single plant gives a more modest 50-120 g on its short cycle. Give it a big enough final pot, plenty of light and an open canopy, and support the colas so the resinous buds develop fully right down the plant.
