Super Autoflower Seeds: Bigger, Faster Harvests
Quick answer: Super autoflower seeds are enhanced autoflowering genetics bred for bigger plants and higher yields while keeping the fast, automatic flowering that makes autos so easy. They finish in roughly 70-90 days from seed, flower on their own without any light change, and suit growers who want a larger harvest without the long timeline of photoperiod plants.
Super autoflowers are the answer to the main criticism of ordinary autoflowers: smaller size and yield. By crossing autoflowering ruderalis genetics with vigorous, high-yielding strains, breeders created autos that grow bigger and produce more, while keeping the automatic flowering and short timeline that made autoflowers popular in the first place.
Recommended Strains
Red Super Skunk Auto
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THC | 22% - 26% (High) |
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Type | Autoflowering |
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Yield | Medium |
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Phenotype | 80% Indica / 20% Sativa |
Super Boof Auto
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THC | 25% - 28% (High) |
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Type | Autoflowering |
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Yield | Low |
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Phenotype | 60% Indica / 40% Sativa |
The result is a seed that flowers on its own schedule, finishes fast, and still delivers a worthwhile harvest. They adapt well to different climates, which is why they appeal to both beginners who want something forgiving and experienced growers chasing several quick crops a year.
| Super autoflower | Regular autoflower | |
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| Size | Larger, more vigorous | Compact, smaller |
| Yield | Higher | Low to moderate |
| Seed-to-harvest | About 70-90 days | About 60-80 days |
| Light schedule | 18-24h throughout (no 12/12) | 18-24h throughout (no 12/12) |
| Best for | Bigger harvests, still fast | Speed and tight spaces |
What Makes an Autoflower ‘Super’?
What makes an autoflower ‘super’ is selective breeding for size, vigour and potency on top of the standard autoflowering trait. Ruderalis genetics give the automatic, age-based flowering, while the other parent contributes bigger structure, heavier yields and stronger effects, often in the 20-25% THC range depending on the strain.
Crucially, this is still an autoflower. It transitions from veg to flower on its own internal clock, with no need to change the light cycle, so you get the convenience of an auto with closer to photoperiod-sized results. Seed-to-harvest typically lands around 70-90 days.
Promos & Deals
Advantages: Speed, Yield and Resilience
The headline advantages are speed and yield together. A super auto can run its whole cycle in about 70-90 days, so you can fit several harvests into one season, while still producing generous yields, often around 1.5-2 oz/ft2 (450-600 g/m2) indoors and substantially more per plant outdoors in good conditions.
They are also resilient. The ruderalis heritage brings hardiness and decent resistance to pests, cold and minor grower mistakes, which makes super autos forgiving for beginners and dependable outdoors. That combination of fast, big and tough is exactly why they have become so popular.
How to Grow Super Autoflowers
Here is the key point that trips people up: super autoflowers do NOT need a 12/12 light switch to flower. Because they flower by age, most growers run a long schedule for the entire cycle, commonly 18/6 or 20/4, to maximise growth and yield. Giving them 18-24 hours of light throughout, rather than flipping to 12/12, is what gets the best results.
Beyond light, keep conditions stable: daytime temperatures around 20-25 C (68-77 F), moderate humidity that you lower during flowering to avoid mold, and light, careful feeding since autos are small-rooted and burn easily. Because the cycle is short, germinate into the final pot to avoid transplant shock and do only gentle training.
Where to Find Super Autoflower Seeds
If you want to try them, look for super auto or high-yield autoflowering strains from a reputable breeder, and match the strain to your space and climate. Fast, hardy autos are especially good outdoors in short seasons, where they can be planted after the frost risk passes and harvested well before autumn weather sets in.
You can browse the full range on our autoflowering seeds page. To plan your grow, see our guides to the autoflower life span and growing autoflowers outdoors.
A quick buying tip: match the strain to your season and space. In a short outdoor summer, a fast super auto planted after the last frost can be harvested well before autumn rains arrive, while indoors you can stagger plantings for a near-continuous supply. Check the breeder’s stated finishing time and expected size so the plant fits where you intend to grow it.
Super Autoflowers vs Photoperiod Plants
It helps to know where super autoflowers sit next to photoperiod plants. Photoperiods still win on absolute maximum yield and give you full control over veg length, so you can grow very large plants, but they take longer and need a light-cycle change to flower. Super autos trade a little of that ceiling for speed, simplicity and a fixed, short timeline.
For most hobby growers, especially outdoors or in short seasons, that trade is worth it. You get close to photoperiod-sized harvests without managing light schedules or waiting months, plus the option of several crops a year. If you have the time, space and want the biggest possible single harvest, photoperiods still edge ahead.

FAQs About Super Autoflower Seeds
What are super autoflower seeds?
Super autoflower seeds are enhanced autoflowering genetics bred for larger plants and higher yields while keeping automatic, age-based flowering. They finish in roughly 70-90 days from seed without any light-cycle change, giving close to photoperiod-sized harvests with the speed and convenience of a normal autoflower.
Do super autoflowers need a 12/12 light schedule?
No. Like all autoflowers, they flower by age, not light, so you do not switch to 12/12. Most growers run 18/6 or 20/4 for the entire cycle, giving 18-24 hours of light throughout to maximise growth and yield. Changing to 12/12 would only reduce the light they get.
Are super autoflowers worth it?
For many growers, yes. They deliver much bigger yields than standard autoflowers while keeping the fast, easy, light-independent growing that makes autos appealing. They are great for quick multiple harvests and short outdoor seasons. If you want the absolute largest yields and can wait, photoperiod plants still edge ahead.
How big do super autoflowers get?
Bigger than standard autoflowers, often comparable to smaller photoperiod plants, because they are bred for extra size and vigour. Exact height depends on the strain, pot size and conditions, but they typically outgrow regular autos while still finishing in about 70-90 days. Growing in a large final pot helps them reach their potential.


