Along the rivers in southern Siberia there is a scrappy little cannabis plant that nobody thought to cultivate for most of history. It flowers whether the days are long or short, because in its home climate the summer is too short 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 a few decades of refinement the result is a seed that runs its whole life on a fixed 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 follows a typical autoflower grow week by week, from the moment you choose the pack to the moment you chop the plant, including the decisions that count at each stage and the errors that cannot be undone later.
Before Day One: Choosing the Seed
An autoflower cannot be saved by a longer vegetative stage, so the room for error is narrower than with a photoperiod plant and the choice of seed bears more weight. Three things on the pack deserve a closer look.
- Generation. Older autos were weak and harsh; current releases are many generations removed and much closer to their photoperiod parents. A recent release from a serious breeder is a safer bet than a bargain line of uncertain age.
- Height range. Autos run from forty centimetres to well over a metre. Fit the strain to the space you have, because there is no chance to hold the plant small by delaying flower.
- Light tolerance. Some lines are selected for twenty hours light and reward it with bigger yields; others perform better at eighteen. The breeder’s recommendation is not decorative.
Each strain on Turbo Autoflower Seeds comes with a grow sheet that states the expected height, light preference and cycle length, which takes away most of the guesswork at this stage.
The Quiet First Week
The seed cracks, a white taproot emerges, and within a few days two round cotyledon leaves break through the surface. Nothing about this week looks impressive, but the root that develops now is the base for everything after it.
The one decision that counts most in week one is where the seed goes. Autoflowers dislike transplanting; a disturbed root system at this stage costs days of growth that the plant cannot recover. Most growers germinate the seed straight in its final pot, or in a container it will stay in. The medium should be light and only lightly moist; a seedling drowned in a big wet pot is the commonest autoflower casualty of all.
The Short Vegetative Sprint
By the start of week two the plant is producing true leaves and gaining size quickly. This is the closest thing an autoflower has to a vegetative stage, and it is over almost before it begins.
Anything that bends the plant has to happen now, and it has to be gentle. Tie-down training, where branches are pulled sideways and held, is fine on most autos and opens the canopy without slowing growth. Topping is riskier: fast strains recover in days, others sacrifice a week they cannot afford. Defoliation at this stage is nearly always a mistake. If in doubt, let the plant alone and settle for its natural shape; a somewhat untidy autoflower beats a stressed one.
When Preflowers Appear
Somewhere between the end of the third and start of the fifth week, tiny white pistils show at the nodes and the plant begins to stretch. Nothing on the timer was changed; the clock did it. Here is the moment that defines 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 run; there is no reason to cut it to twelve, and doing so simply shrinks the harvest. And feeding moves gradually away from nitrogen towards phosphorus and potassium. Gradually is the key word: an autoflower hit a hard flowering feed in week four frequently develops burnt leaf edges and slows. Small doses, increased week by week, suit a plant this small.
The Middle of the Run
The stretch lasts for about two weeks and can nearly double the plant’s height, which is why the height range on the pack was worth reading in week zero. When it slows, flowers start to stack and the grow settles into its single most productive stretch.
- Humidity. Tight autoflower buds on a plant this short stay close to moist soil; dropping relative humidity below fifty percent heads off mould before it starts.
- Water volume. The plant drinks far more than it did in week two. Pots that dry out between waterings in a day want a larger volume per watering, not more regular small ones.
- Light distance. As the canopy climbs, lift the lamp to hold the correct distance. Heat stress at the top of a compact plant costs the best flowers.
- Support. Heavy colas on a slender stem bend by week seven. A ring put in now, rather than after the weight arrives, saves broken branches.
Knowing When to Stop
The advertised cycle length is a median, not a deadline. Individual plants from the same pack finish a week either side, and environment stretch the figure further. The plant, not the pack, says when it is ready.
The reliable indicators: pistils go from white to rust and curl inward; the lowest leaves yellow and drop as the plant draws its resources into the flowers; and through 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 gives a heavier, sleepier result. Flushing for the final week is commonly practised and harmless, regardless of what the forums about its value concludes.
Errors Without a Reset Button
A photoperiod grower who stresses a plant can add a few weeks of veg and allow it catch up. An autoflower grower has no such option; the clock goes on running. The following are the mistakes that surface in harvest size without exception.
- Transplanting after the first week. Each day of root repair is a day of flower that never comes.
- Cutting the light to twelve hours “because it is flowering”. The plant never needed the signal, and the missing hours convert straight into lost yield.
- Overwatering a seedling in a large pot. The root sits in wet medium, stops, and the plant blooms at a third of its potential.
- Topping a slow or untested strain. On the slow line it takes a week that the plant never gets back.
The Point of a Schedule
All of the above reads like a catalogue of limitations, and in one sense it is. Yet the fixed clock is the feature that made autoflowers popular, rather than a defect to tolerate.
A grow that ends in ten weeks regardless can be planned to the week: start in April, cut in June, start again. A balcony grower has a plant that stays under the railing. Someone in a northern climate fits two season crops into a window that allows barely one photoperiod plant. A first-time grower learns the whole cycle in under three months instead of six, and makes the second attempt that much earlier. None of those advantages needs a bigger harvest to be worth it.
Ordering From Turbo Autoflower Seeds
Turbo Autoflower Seeds sends every order in plain packaging, with the breeder’s 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 vary sharply by country, and in many places buying seeds is permitted while germinating them is not; knowing the rules in your own jurisdiction is the buyer’s responsibility, and nothing in this article is legal advice.