Sativa seeds come with more jargon around them than any other category of cannabis seed, and a good deal of it says a certain thing to a botanist, another to a seed company and a third to the person standing in front of the listing. A failed sativa grow usually goes back to a word that was understood in the wrong one of those senses: a flowering time read as a promise, a «sativa-dominant» tag taken as a statement of character, a landrace chosen as if it were a modern hybrid. The entries below were written with the range at https://hazesativaseeds.com open as reference, since it leans strongly towards the long-flowering end of the spectrum and that is where the words matter most; the meanings themselves hold to any sativa seed from any shop. They are in no particular order, because none of them makes usable without the others.

Haze (the family, not the smell)

In its first sense a specific family of plants put together in 1970s California from Colombian, Colombian and South Indian landraces, and later kept and worked in the Netherlands. A true Haze runs tall, branches sparsely, takes for twelve to sixteen weeks and carries a scent of incense, citrus and something metallic that no other other line quite has.

In its second sense «Haze» is whatever hybrid that carries a share of that family, and by now is a great many of the sativa-leaning market. A listing which says «Haze» without parents could be mostly percent original old family or a small fraction of it, and the grow time tracks the share, not the name. The useful question is not «is it a Haze» but «how much, and through which parent».

Sativa-dominant

A catalogue category rather than a botanical one. It generally indicates that more of a hybrid’s parents are described as sativa by the breeder who drafted the description, and occasionally signals no more than that the buds are airier or the smell brighter than the same breeder’s other releases.

The effect people connect with the word, clear-headed rather than sedating, is driven far more by terpene chemistry and the cannabinoid content than by the sativa fraction, and plenty of «sativa-dominant» releases deliver a flat sleepy result and a good number of indica-labelled lines do exactly the reverse. For a grower the percentage is useful for a loose hint to growth habit, flowering time and stretch; as a predictor to how it feels it is close to worthless without the aroma description.

Equatorial

Describes plants from regions where daylength hardly varies through the year, which means that the plant does not evolved a sharp reaction to changing days. These lines frequently flower slowly under a standard twelve-hour schedule, because twelve hours is, to them, an ordinary day and not a signal.

The working fix, handed down between sativa growers for decades, is to shorten the light more: eleven hours, occasionally ten, especially during the last weeks. It costs some yield yield and gains a earlier decisive end. A listing that says «equatorial» is telling you about this in one word, and a grower who reads it as mere origin has missed the instruction hidden in it.

Stretch (the doubling)

The burst of upward growth which comes after the switch to flowering. Most tent-bred plants add around half their height again; sativas commonly double, and a few equatorial types go further. The stretch continues two to five weeks and will not be stopped after it begins, only bent sideways by training.

In tent terms, the stretch multiplier is a fact to read ahead of deciding when to flip. A sativa switched at sixty centimetres centimetres inside a standard tent is at the lamp by week four of flower; one switched at thirty centimetres has room. Growers moving from indica strains almost always switch too late the first time, and the consequence is written on the ceiling of the tent.

Latitude

The single number that decides if a sativa will finish outdoors, and one that no pack prints. Long-flowering lines require the autumn days to go on long enough to let the plant to finish; in high latitudes the frost comes first, and the grower harvests an half-finished plant in the end of October or else loses it rot in November. A further south, within the northern hemisphere, the longer the window stretches, and coastal and low-latitude gardens are able to finish lines that northern growers cannot.

The practical reading of a seed listing: an «outdoor» line harvest month is stated for the breeder’s home latitude, usually a point in southern Europe or the west coast of the United States, and every degree further north of it moves the date later into the frost. A grower above roughly the fiftieth parallel who wants a long-flowering sativa in the garden needs to be shopping for an autoflower or a greenhouse, and not a longer summer.

Landrace

A population of plants adapted through generations to a particular place by the local growers and growers alike, rather than by deliberate breeding. Thai, Colombian, Malawian and Mexican stock are the classic sativa cases. A landrace is variable, not a single plant: inside a pack the heights, flowering times and aromas range far more than in any tent-bred line, and this variation is the point of keeping one.

The mistake is buying a landrace like a finished product. It carries habits that make sense in an open field, such as a frame that no tent can contain and a flowering clock set to an equatorial daylength most growers never offer. «Heirloom» on a listing generally means a landrace that has been grown out away from its origin for a number of generations, often with light selection towards tent life; it is closer to usable but nonetheless far from a hybrid. A shop listing «landrace» without a collection point and a generation count is using the word loosely, and the seeds should be priced accordingly.

Hermaphroditism in long-flowering lines

The appearance of pollen-bearing flowers on a female plant, typically towards the end in flower and often under stress. Almost every cannabis population has a degree of capacity for do; sativa plants express it more often, for one plain reason: sixteen weeks of flower is fourteen weeks of opportunity for a timer leak, a heat spike or a late watering to trigger it going, and a old that has gone past its natural end often produces a few late pollen sacs on its own in a last attempt to make seed.

Not one of these makes a sativa line unstable as a matter of nature; it makes the room’s discipline count over a longer stretch. A sealed room, stable temperatures and harvesting when the plant is done and not a week after remove most of the risk. A listing that mentions a breeder screens parents for hermaphrodite traits is worth worth hearing for a sativa than on any else.

Foxtailing

The habit of certain flowers to grow fresh bud clusters on top of existing ones, producing towered, open buds instead of round ones. In the majority of indica-leaning lines it is a heat symptom, usually from light that is too close or temperatures too high, and the standard response is to fix the room.

In many sativas, above all Thai and some Haze lines, it is genetic and will happen in a perfect room. A new sativa grower often spends a month hunting a fault that was never a problem, lowering lights and temperatures only slowing a slow flower further. The breeder seldom warns which kind to expect; the lineage usually tells you.

Terpinolene

A aromatic compound found in large proportion in many classic sativa strains and accounting for much of what growers mean as a «sativa» smell: fresh, piney, lemon and faintly floral all at once. It is volatile, driven off easily through fast drying, and terpinolene fades faster in storage than the earthier terpenes which lead indica-leaning lines.

To a seed buyer the name earns two jobs. Where a listing names terpinolene among the leading aromas, the line probably carries real old-sativa genetics regardless of what the percentage claims. And where the grower are after that profile to survive to the jar, the cure has to be slow and slow; a fast drying room turns a terpinolene sativa into a flower that tastes of very little and leaves nothing of what the pack described.