Indica Seeds: What the Mountains Bred In
Each trait that moves an indica seed was put there by a range of mountains. The squat frame, the fast flowering, the hard resinous buds, the broad dark leaf, the purple that comes in when the nights go cold: not one of these is an design. They are the answers a population found through thousands of years to a particular set of pressures, in great altitude, in a brief dry, cold season, on the valleys of the Hindu Kush and the ranges around it. Breeders took that solution off the mountain and polished it, yet the shape of the plant is still the logic of the terrain. The examples referred to below are drawn from the range at https://kushindicaseeds.com whose stock traces to Afghanistan, northern Pakistan and the Indian Himalaya; the account itself holds for any true indica out of any seed bank. Reading the terrain turns out to be the quickest way to understand the pack.
Where the Population Formed
The Hindu Kush stretches for about eight hundred kilometres out of central Afghanistan into northern Pakistan, with the wider indica homeland extending over into the Indian Himalaya on one side and the lowlands of the Afghan interior on the other. Cannabis has been grown there for centuries, mainly for hashish, which means chosen generation by generation by farmers who needed a plant above any other quality else: resin that could be sieved or pressed off a plant that had finished before the first frost.
This is a different selection from the one that shaped the tropical sativas, in which seasons hardly change and the plant was free to grow for half a year. All that follows is the outcome of a handful of conditions about the terrain: it is high, it is dry, the growing season is short, and its nights turn cold fast. The sequence that they are taken below hardly matter; a plant meets all of them in the same season.
The Low Frame
Much of the traditional growing land sits between fifteen hundred and three thousand metres. Up at that height the air is thin, the UV exposure is heavy, the wind is constant and every centimetre of stem above the soil takes water the plant cannot spare. A tall plant on such ground loses faster, breaks sooner and gains little for its height, because there is no canopy it needs to clear.
The plant which survived is compact: short internodes, a strong dense main stem, branches kept close, often broader than it is tall. In a tent that translates straight: a pure indica seed stretches perhaps half its height again in flower where a sativa doubles, sits beneath a light with a short distance and seldom requires training down. Growers short on limited headroom choose indica for precisely this trait, and it is the mountain, not the breeder, that those growers are relying on.
The Short Season: Why It Flowers Fast
At two thousand metres the frost-free season is short, and the autumn comes quickly and hard. A plant that needed fourteen weeks to finish after the days started to shorten did not set seed on that terrain, and its genes dropped out of the population. What remained responds fast to shortening days and finishes in about seven to nine weeks after that signal.
In a tent that reflex is the one most cited indica quality. Flip to twelve hours and the plant moves at once, grows over a couple of weeks and fills flower over the remainder of a short cycle. The quickest strains at Kush Indica Seeds finish at about 7 weeks after the flip, which allows five or six cycles a year from one room where a long sativa allows perhaps two. This speed is no cleverness on the breeder’s side; it is the snowline encoded into the plant’s clock.
Built for a Desert Autumn
The old zone is dry: thin humidity, intense sun, little rain in the flowering season. A plant there has two pressures that resin answers at once. It must shield its flowering parts from ultraviolet light, and it must hold moisture in the bud over a long stretch of desiccating wind. A heavy coat of trichomes do both: the resin heads absorb UV and their coating slows water loss. Farmers for hashish then pushed the trait further, since resin was the product.
Tight flower structure belongs to the same cause: a closely clustered bud gives up less water than an open one in arid air. In a tent those two traits come as a pair, and only one of them is unconditionally an advantage. The resin is. The density turns into a risk the moment the room is humid: a bud built to retain water in a desert retains it just well in a damp tent, and bud rot spreads in a dense indica cola faster than through any flower an equator ever produced. The quality that sells the seed is the same trait that calls for a drier room in the last three weeks.
Cold Nights: Why Some Go Purple
Mountain nights drop below ten degrees long before the days follow, and a good number of indica populations react to that cold by producing anthocyanin, the same compound that colours a maple leaves red. On the plant it shows as purple in the bracts, leaves and sometimes the stem, and it does nothing for the smoker beyond look beautiful.
The point to take from the colour is genetic, not decorative. The tendency to colour is carried from particular cold-valley stock, and a strain that colours reliably with a cold last two weeks has the origin whatever the label says. Strains marketed as “purple” that will only colour with extreme cold, or not really, usually have the word in the name and nothing of it in the plant. Chilling the room in the last weeks draws the colour forward if it exists and does nothing at all if it is absent; it also slows the finish, so it is a trade and not a costless trick.
The Fat Leaf
An indica leaf is broad, heavy and a deep green, and only a few broad lobes whereas a sativa fan leaf carries more narrow ones. Two things in the terrain select for that form. Thin air and hard sun put a high light dose on each square centimetre, and a broad leaf catches enough and does not need much area; a big narrow-fingered leaf would just burn. And steady wind tears fine leaves, whereas a stout, short-petioled leaf stays put.
The deep colour is chlorophyll loaded thickly in a thick leaf, which is one part of the same answer. For the tent the leaves count in one practical respect: a broad-leafed indica canopy shades everything below the top layer much more completely than a sativa’s, which means lower buds on an unmanaged indica come in small and weak. Growers that strip a few fan leaves in week three are undoing, carefully, something the mountain put there over many thousands of years.
Reading the Place Names
Most indica seed names are the names of names or derive from one, and the places are far more useful than they realise. “Afghani” generally means stock from the north region, and a classic short, hash-plant, fast-finishing type. “Hindu Kush” on a name points to the central mountains proper and frequently to stock collected on the eastern side. “Chitral” or “Mazar” point to specific valleys that have their own recognisable forms, the first often purpling and the second heavy and late for an indica. Kush Indica Seeds lists the origin region on each line where it is known, which makes the name from from a flavour into a datum the grower can plan around.
Most indica packs on sale is hybrid stock several generations removed from the valley, selected for uniformity and not to preserve the spread a true landrace carries; a buyer who wants the population itself needs to shop for packs described as unselected reproductions and accept the surprises which come with the label.
Taking the Plant Off the Mountain
Each adaptation discussed above was a answer to the pressure which a tent no longer present, and a solution without its pressure behaves one of two things: it turns into a free bonus or it turns into a cost. The speed and the short frame become advantages, since nothing in a room punishes a plant for them. The density and the broad canopy are costs, because the arid wind that made sense of them is gone and the still atmosphere of a sealed room does exactly the opposite effect.
This is why the indica grow succeeds or goes wrong on a single variable more than any other: humidity in the last three weeks. A person that holds it down gets the dense, resinous, early harvest the mountain bred; one that lets it rise gets rot inside the best colas, where exactly where the mountain was trying hardest to hold water in. Indoors, the terrain is to be reconstructed in the last fortnight: cool, dry, with moving air. All that remains about growing indica is forgiving exactly because the population was bred to survive somewhere hard.
The Drift of a Word
The word that lent the mountains its name has travelled further from it than almost any other in cannabis. “Kush” on a modern pack name can refer to an unselected Hindu Kush reproduction, a West Coast hybrid carrying one Afghan grandparent, or a strain called Kush because the breeder thought the sound would sell. The OG Kush family, and this dominates the use of the word in the market, is probably more sativa-influenced than many of the stock it takes the word from, while its growth habit, flowering time and leaf show as.
A usable reading is the one which holds throughout this page: look past the word and read the terrain. A listing that gives an low stretch, a flowering time below nine weeks, a dense flower and a broad leaf is describing a mountain plant regardless of what it is called; one that states a tall frame, twelve weeks and airy buds is selling something else with a borrowed name. The seed remembers the place it came by; the name frequently has forgotten.