How to Grow Diesel Autoflower
Diesel Autoflower is a compact, easy, mostly sativa autoflower that keeps the classic zesty, fuel-like diesel character. Bred from New York City Diesel crossed with Lowryder #2, this 60% sativa pairs a citrus, diesel and earthy flavor with a medium 10-15% THC and a creative, euphoric and uplifted effect, finishing its whole cycle in 8 to 10 weeks. It is beginner-friendly, quick and forgiving.
This is an autoflowering, 60% sativa strain that stays short at around 1.2 m. Because it flowers automatically on age rather than on a light change, and because it is hardy and fast, it is a simple plant to grow, while its lively, citrus-diesel aroma and gentle, approachable potency give it plenty of character for such an easy crop.
Recommended Strains
Diesel Autoflower
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THC | 10% - 15% (Medium) |
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Type | Autoflowering |
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Yield | Medium |
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Phenotype | 40% Indica / 60% Sativa |
Sour Diesel Autoflower
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THC | 16% - 23% (Medium) |
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Type | Autoflowering |
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Yield | Medium |
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Phenotype | 40% Indica / 60% Sativa |
Zesty, forgiving and productive, Diesel Autoflower is a rewarding way to grow a classic diesel sativa in autoflower form. You can see the full genetics and buy Diesel Auto seeds on the strain page, and browse the rest of our autoflowering seeds alongside it.
Strain Profile at a Glance
| THC | Medium (10-15%) |
|---|---|
| Lineage | New York City Diesel x Lowryder #2 |
| Type | Autoflowering |
| Genetics | 60% Sativa / 40% Indica |
| Climate | Temperate |
| Life cycle | 8-10 weeks (seed to harvest) |
| Harvest | All season (multiple runs) |
| Height | 3.94 ft / 1.2 m |
| Yield indoor | 1.56 oz/ft² (475 g/m²) |
| Yield outdoor | 24.69 oz/plant (700 g/plant) |
| Grow difficulty | Beginner-friendly |
| Flavors | Citrus, Diesel, Earthy |
| Effects | Creative, Euphoric, Uplifted |
Promos & Deals
Growing an Autoflower
An autoflower does not need a change in light schedule to bloom. Instead of switching to 12/12 like a photoperiod plant, Diesel Autoflower starts flowering on its own after a few weeks, purely on age, and runs its whole life cycle in 8 to 10 weeks from seed to harvest. You can keep it under a long day of around 18-20 hours of light from start to finish, which keeps things simple.
That automatic habit comes from the Lowryder #2 ruderalis in its lineage, which also makes it hardy and quick. Because the clock is always ticking on an auto, start the seed in its final pot rather than transplanting, keep any training to gentle low-stress tucking, and feed lightly. Being an autoflower it does not depend on daylight hours to flower, so you can run more than one crop across a season and grow it at almost any time of year.
Climate and Where to Grow It
Diesel Autoflower does well in a warm, temperate climate with good sun and steady airflow, and its hardy genetics make it adaptable and forgiving. Because it flowers on age rather than daylight, you are not tied to one planting window and can grow it all season, fitting in more than one run where the weather allows.
It performs well both ways, and is notably generous outdoors. Indoors it returns a solid 475 g/m² in a well-managed tent, while outdoors it can reach a heavy 700 g per plant given room and sun, which is excellent for an auto this compact. As a short, slightly sativa-leaning plant of about 1.2 m it fits small spaces easily, so if you have room outside it really rewards you.
Keep humidity in check through flowering to protect the buds: around 55-60% early on, nearer 40-45% in flower, and lower still toward harvest. Resinous colas can trap moisture, so steady airflow and sensible humidity are the keys to a clean finish over the short cycle. Aim for daytime temperatures around 68-80°F (20-27°C).
Feeding Schedule (EC Guide)
Autoflowers are smaller and faster than photoperiod plants, so they want a lighter touch. Feed gently, follow the plant’s lead, and taper off for the final flush so the citrus and diesel flavor comes through clean and the smoke finishes smooth. The ranges below are a guide; with an auto, err on the low side.
| Stage | EC (mS/cm) | Notes |
|---|---|---|
| Seedling | 0.4-0.6 | Very light feed, start in the final pot |
| Vegetative growth | 0.8-1.2 | Short veg, raise nitrogen gently |
| 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
Diesel Autoflower starts flowering on its own a few weeks in and finishes its whole cycle in 8 to 10 weeks from seed, which is quick and predictable. As a sativa-leaning auto it has a little stretch early in bloom before filling in resinous, zesty colas up a short frame. Because it is an autoflower you can run it all season, with no fixed harvest month tying you down.
Yields are solid indoors at around 475 g/m² and notably generous outdoors at up to 700 g per plant with good sun and a well-sized pot. Give it a good pot from the start so the roots never stall, keep the canopy open with a little training, and harvest when most trichomes have turned cloudy for the fullest citrus-diesel flavor and effect.
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 stops the denser buds staying damp in the middle while the outside dries out, which protects both the aroma and the trichomes over this short, quick grow.
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 the citrus and diesel notes forward and smooths out the smoke, balancing the zesty and fuel sides of the flavor into their best form.
What to Do With Your Trim
Don’t bin the sugar leaves you remove while manicuring. Diesel Autoflower carries a good coat of resin, so its trim works well for dry sift, bubble hash or rosin. That gives you a bonus run of zesty, diesel-tinged concentrate from material most growers would otherwise throw away.
Flavor and Terpenes
Diesel Autoflower has a lively, classic profile: a zesty citrus brightness over the pungent, fuel-like diesel base its New York City Diesel parent is known for, with an earthy undertone. It is a sharp, aromatic flavor rather than a sweet one, and a good cure really brings that citrus-and-fuel character forward in the jar and on the inhale.
Its broad terpene profile shapes that character. Terpinolene leads with a fresh, zesty, slightly citrus-herbal lift, while alpha-pinene adds a clean, piney freshness on top. Humulene brings an earthy, woody depth and nerolidol a woody, floral nuance, with gamma-terpinene and delta-3-carene rounding out the bright, fresh edge. Together they frame the citrus, diesel and earthy character the strain inherits from its NYC Diesel side.
Effects and Best Use
With its medium 10-15% THC and 60% sativa make-up, Diesel Autoflower delivers a bright, easygoing experience. It is reported as creative, euphoric and uplifted: a cheerful, head-forward lift that leans active and lively, fitting its zesty, diesel character, without the intensity of a high-THC strain. That lower-to-medium potency keeps it approachable and easy to enjoy.
That upbeat, mild profile makes it a daytime strain, well suited to creative work, staying productive or social activities, or to users who prefer a lighter effect. The combination of a fast, simple autoflower grow, a generous outdoor yield and a classic citrus-diesel flavor is exactly why it stays a dependable choice.
Common Problems and Pro Tips
The single most important thing with any autoflower is to never stall its growth, because it cannot make up lost time on a fixed clock. Start the seed directly in its final pot instead of transplanting, keep it in healthy, living soil or a well-mixed medium, and don’t overfeed a small, fast plant. Low-stress tucking is fine; heavy topping can set an auto back.
Because it is sativa-leaning, it will stretch a little in flower, so a light touch of low-stress training early on keeps the canopy even and the light well spread, which helps the yield. Keep humidity down around the resinous buds and the air moving to avoid mould over the quick finish.
As a pro tip, make the most of its outdoor potential: given room, sun and a big pot, this compact auto can reach up to 700 g per plant, so if you have the space outside that is where it really pays off. Run a clean plain-water flush at the end, then follow the trichomes rather than the calendar and cure for three to four weeks to bring the citrus-diesel flavor forward.
FAQ
Is Diesel Autoflower an autoflower?
Yes. It is a true autoflower, so it flowers automatically on age rather than on a light change. You do not switch to 12/12, and it runs its whole life cycle in 8 to 10 weeks from seed. That, plus the hardy ruderalis genetics from its Lowryder #2 parent, makes it a simple and forgiving strain to grow.
How long does Diesel Autoflower take to grow?
From seed to harvest it takes about 8 to 10 weeks in total, since it flowers on its own without any change in light schedule. Because it does not depend on daylight, you can grow it all season and run more than one crop a year, with no fixed harvest month to work around.
How much THC does Diesel Autoflower have?
It is a medium-THC strain, testing at around 10-15%. That makes for a mild to moderate, approachable effect rather than an intense one. Combined with its 60% sativa genetics, the result is a creative, euphoric and uplifted experience that leans active and suits daytime use.
What does Diesel Autoflower taste like?
It has a zesty citrus brightness over the pungent, fuel-like diesel base of its New York City Diesel parent, with an earthy undertone. Terpinolene drives the fresh, zesty lift, alpha-pinene a clean pine note, humulene an earthy depth and nerolidol a woody nuance. A good cure brings the citrus-and-fuel character forward.
How much does Diesel Autoflower yield?
It is a solid producer indoors at around 475 g/m², and notably generous outdoors at up to 700 g per plant with good sun and space, which is excellent for such a compact auto. For the biggest harvest grow it outside with a large pot, and keep the plant healthy so its growth never stalls.
Is Diesel Autoflower good for beginners?
Yes. It flowers automatically, finishes quickly, stays compact and is hardy, which makes the cultivation beginner-friendly and forgiving. Its lower-to-medium THC also keeps the effect gentle. Just start it in its final pot, feed lightly, train only lightly, and keep humidity down around the buds.
