Along the rivers in central Siberia there is a scrawny little cannabis plant that nobody bothered to cultivate for most of history. It blooms whether the days are long or short, because where it lives the summer is too brief to wait for a signal from the sun. That plant is Cannabis ruderalis, and nearly every autoflower seed sold today owes its stubborn internal clock to it. Breeders folded ruderalis into modern indica and sativa lines, and after several decades of selection the result is a seed that runs its whole life on a preset schedule. Specialist sellers such as https://turboautoflowerseeds.com deal in exactly that kind of seed, and the fastest line in its range finishes in around 56 days from sprout. This article walks through a typical autoflower grow week by week, from the day you pick the pack to the day you cut the plant, including the decisions that count at each stage and the mistakes that cannot be undone later.
Before Day One: Choosing the Seed
An autoflower cannot be rescued by a longer vegetative stage, so the room for error is smaller than with a photoperiod plant and the choice of seed carries more weight. Three things on the pack are worth a closer look.
- Light tolerance. Some lines are bred for twenty hours light and repay it with heavier yields; others do better at eighteen. The breeder’s recommendation is not decorative.
- Total cycle length. Autoflower breeders quote time from seed, not from flip. A number of eight weeks means eight weeks of life, and that includes germination.
- Height range. Autos run from knee-high to well over a metre. Fit the strain to the space available, because there is no chance to hold the plant small by delaying flower.
- Generation. Older autos were small and harsh; modern releases are many generations on and much closer to their photoperiod parents. A recent release from a known breeder is a safer bet than a bargain line of uncertain age.
Each strain on Turbo Autoflower Seeds ships with a grow sheet that states the tested height, light preference and cycle length, which removes most of the guesswork at this stage.
Week One: The Taproot Sets the Pace
The seed cracks, a white taproot appears, and within a few days two oval cotyledon leaves push through the surface. Nothing about this week looks dramatic, but the root that forms now is the foundation for everything after it.
The single decision that matters most in week one is where the seed goes. Autoflowers dislike transplanting; a damaged root system at this stage costs days of growth that the plant cannot get back. Most growers start the seed directly in its final pot, or in a pot it will remain in. The medium should be light and only slightly damp; a seedling overwatered in a big wet pot is the commonest autoflower casualty of all.
Fourteen Days of Leaves
By the start of week two the plant is growing true leaves and gaining size quickly. This is the closest thing an autoflower has to a vegetative stage, and it is finished almost before it starts.
Anything that bends the plant has to happen now, and it has to be gentle. Low-stress training, where branches are bent sideways and held, works on most autos and opens the canopy without slowing growth. Topping is more contentious: some strains shrug it off, slower ones lose a week they do not have. Defoliation at this stage is almost always a net loss. If in doubt, leave the plant be and settle for its natural shape; a somewhat untidy autoflower outyields a stressed one.
When Preflowers Appear
At some point between the end of the third and start of the fifth week, small white pistils show at the nodes and the plant starts to stretch. No timer was changed; the clock made it. Here is the moment that separates the autoflower: the grower is a bystander to the most important transition in the plant’s life.
Two things change in practice. Light can remain where it is, typically eighteen to twenty hours a day for the whole grow; there is no need to drop it to twelve, and doing so only reduces the harvest. And feeding shifts slowly away from nitrogen towards phosphorus and potassium. Gradually is the operative word: an autoflower given a hard flowering feed in week four often shows burnt tips and slows. Small doses, stepped up week by week, fit a plant this small.
Where the Yield Is Made
The stretch lasts for roughly two weeks and can double the plant’s height, which is why the height range on the pack was worth reading in week zero. When it stops, flowers start to stack and the plant moves into its most productive phase.
- Support. Heavy colas on a slender stem lean by week seven. A ring placed now, rather than after the weight arrives, saves snapped branches.
- Water volume. The plant uses far more than it did in week two. Pots that dry out between waterings in a day need a bigger volume per watering, not more frequent small ones.
- Light distance. As the canopy climbs, raise the lamp to hold the same distance. Heat stress at the top of a short plant loses the densest flowers.
- Humidity. Tight autoflower buds on a plant this low sit close to damp soil; bringing relative humidity into the forties heads off mould before it takes hold.
Weeks Eight to eleven: Reading the Finish
The advertised cycle length is a guide, not a contract. Individual plants from the same pack finish a week apart, and environment stretch the number further. The plant, not the calendar, says when it is ready.
The reliable indicators: pistils go from white to rust and retreat inward; the fan leaves yellow and drop as the plant pulls its reserves into the flowers; and under a loupe the resin glands shift from clear to cloudy, with a proportion of amber. Harvesting at mostly cloudy with a few amber heads is the standard compromise; more amber means a heavier, sleepier result. Flushing for the final week is commonly done and harmless, regardless of what the forums about its value says.
The Mistakes That Cannot Be Undone
A photoperiod grower who stresses a plant can extend a few weeks of veg and let it catch up. An autoflower grower cannot; the clock goes on running. These are the errors that surface in harvest size without exception.
- Transplanting after the first week. Each day of root recovery is a day of flower that never comes.
- Overwatering a seedling in a large pot. The root sits in wet medium, stops, and the plant flowers at a third of its potential.
- Topping a slow or untested strain. On the slow line it costs a week that the plant never gets back.
- Cutting the light to twelve hours “because it is flowering”. The plant did not need the signal, and the missing hours translate straight into lost yield.
Who the Fixed Clock Suits
All of the above reads like a list of limitations, and in one sense it is. Yet the preset clock is the feature that made autoflowers successful, not a defect to tolerate.
A run that ends in ten weeks no matter what can be scheduled to the day: sow in April, cut in June, start again. A balcony grower has a plant that remains under the railing. Someone in a short-summer climate squeezes two season crops into a window that allows barely one photoperiod plant. A beginner grower sees the whole cycle in less than three months instead of six, and makes the second attempt sooner. Not one of those benefits needs a heavier harvest to be worth it.
Ordering From Turbo Autoflower Seeds
Turbo Autoflower Seeds dispatches every order in unmarked packaging, with the original seed packs sealed inside and no indication of the contents on the outside parcel. Orders to the United States are not taken, as seed importation is restricted there. Seed laws differ widely by country, and in many places buying seeds is legal while germinating them is not; knowing the rules in your own jurisdiction is the buyer’s job, and nothing here is legal advice.