How to Grow True OG

True OG is a 70/30 indica-dominant strain born from the elite OG Kush lineage, a hall-of-fame classic prized for its pungent pine and citrus-fuel character. It pairs that pine, earthy and lemon-fuel flavor with a deeply relaxing, euphoric, happy effect, the classic OG couch-lock. THC runs from 23 to 27%, placing the True OG strain in the medium to high range. This guide covers the full grow, from germinating the feminized seeds to the final cure.

It stays compact, a true OG trait, which makes it great for indoor and discreet gardens, and it finishes flowering in 8 to 9 weeks. True OG rewards a grower with a little experience, so this guide leans into the details that get the most from it.

Recommended Strains

True OG

	THC	23% - 27% (High)
	Type	Feminized
	Yield	High
	Phenotype	70% Indica / 30% Sativa

1 Seed - $17.503 Seeds - $426 Seeds - $659 Seeds - $8025 Seeds - $19550 Seeds - $320100 Seeds - $580 Add to cart

Critical Bilbo

	THC	18% - 22% (Medium)
	Type	Feminized
	Yield	Medium
	Phenotype	70% Indica / 30% Sativa

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True OG at a Glance

Before you plant anything, it helps to see the full picture in one place. Here is the quick profile for this feminized OG Kush indica, taken from the strain’s grow data.

These are feminized seeds, so every plant you grow will flower, and its 70% indica makeup places it with the indica seeds. As a classic OG it sits among the Kush strains, and at 23 to 27% THC also among the high THC seeds.

How to Germinate True OG Seeds

A healthy harvest starts at germination. The paper towel method is hard to beat: fold the True OG seeds inside two damp sheets, slide them between two plates, and keep them somewhere dark at 70 to 79°F. A taproot usually appears in one to five days.

Once the root is a few millimetres long, move each seed into its starter pot with the root pointing down and cover it with about 2 cm of soil. Keep the medium lightly moist, not soaked, and hold humidity around 65 to 70% while the first true leaves open. Because these are feminized seeds, you can skip sorting out males later and give every sprout your full attention.

Starter tips

• Use plain, lightly pH-balanced water (pH 5.5 to 6.5) for the first week.
• Give seedlings gentle light, not a full-power lamp pressed overhead.
• Hold off on nutrients until the second set of serrated leaves appears.

Growing True OG in the Vegetative Stage

True OG thrives in a warm, dry Mediterranean climate, which is its natural home. Aim for day temperatures of 68 to 80°F and keep veg humidity in the 50 to 60% band; like most OG Kush descendants it dislikes high humidity and damp air. An airy substrate with perlite, peat or coco coir holds moisture without drowning the roots.

Its warm, dry preference and compact size suit a range of US settings:

• Southern California (Los Angeles): the native Mediterranean climate is the perfect natural home, giving warm, dry conditions this OG was practically made for.
• Dry inland West (Arizona, inland California): the low humidity suits it, though shade it from the harshest midday heat and keep water steady.
• Indoors anywhere: its compact 2.5 to 4 foot height makes it ideal for tents and small spaces, where you can control the humidity it is fussy about.

At 2.5 to 4 feet indoors this is a short, bushy plant. Top it once it has five or six nodes, and use low-stress training to open the tight internodes and spread the branches so light reaches every bud site, which is how you coax a bigger yield from a compact OG.

Flowering and Buds of True OG

Once you switch to a 12/12 light cycle, True OG finishes in 8 to 9 weeks. It does not stretch much, staying compact, and it rewards you with dense, chunky, resin-caked buds that give off a pungent symphony of pine, earthy musk and lemon fuel.

Drop humidity to 40 to 45% during flower and keep airflow moving through the canopy, which matters because the dense OG buds hold moisture and the plant is mould-sensitive. Support the heavy colas as they fatten, and outdoors plan for an early autumn harvest in a dry spell.

At 23 to 27% THC it frosts over with a heavy resin layer, so judge ripeness by the trichomes rather than the calendar.

Common Problems and Pro Tips

True OG is rated a moderate grow because its OG Kush genetics are a little fussy, so a few things are worth watching.

• Humidity and mould: OG descendants hate damp air, and the dense buds trap moisture, so keep humidity down, run good airflow and defoliate to open the canopy, especially late in flower.
• Calcium and magnesium: OG genetics are prone to Cal-Mag deficiency, showing rusty spots on the leaves, so a light Cal-Mag supplement keeps them clean and healthy.
• Nutrient sensitivity: True OG burns easily on a heavy feed, so start low and build up slowly, and check leaf undersides weekly for spider mites.

Expert tip: because it stays short with tight internodes, low-stress training and a little defoliation to open the canopy pay off more than with a tall plant, letting light into the lower buds. Those dense, resinous OG flowers also make outstanding hash, so save every scrap of frosty trim. A touch of cool, dry air in late flower helps the pungent pine-and-fuel aroma come through.

Aroma, Flavor and Effects

The nose is loud and unmistakably OG: crisp pine and sharp lemon over a deep, earthy, fuel-like musk. It reads pungent and savory rather than sweet, the hallmark of a true OG, and it only gets louder as the buds cure in the jar.

The flavor follows, piney and earthy with a sharp citrus-fuel finish on the exhale. On the effect side it is deeply relaxing, euphoric and happy, a heavy body calm, the classic OG couch-lock, paired with a happy mental lift from its 70% indica makeup, so it leans toward evening use.

Aroma notes

The published profile describes the aroma as pine, earthy musk and lemon fuel rather than a detailed terpene breakdown, so trust your nose at harvest. That crisp pine meeting a sharp citrus-fuel finish is the classic OG Kush signature, and a slow, careful cure is what sharpens those pungent notes and rounds off any harsh edges.

Nutrient Schedule

Treat the figures below as a starting map, not a rulebook. True OG is sensitive to overfeeding, so lean toward the low end and read the plant first: tip burn means back off, while pale, slow growth means it wants a little more. All values use EC.

Keep the pH around 6.0 to 6.5 in soil and 5.5 to 6.0 in hydro so the roots can actually take up what you feed.

What to Do With Your Trim: Extracts and Hash

True OG lays down a heavy, pungent resin layer, so the trim is well worth keeping. The frosty sugar leaves you take off while manicuring carry plenty of trichomes and suit Ice Water Hash, where cold water and agitation separate the resin heads into a clean, solventless concentrate. Pressing that hash into rosin keeps the pine-and-fuel flavor intact, and OG genetics are a classic choice for top-shelf hash, or you can run a solvent extraction if that is your setup. The bare stems will not extract, but chopped and composted they feed organic matter back into the soil for your next grow.

Harvesting, Drying and Curing True OG

Timing the harvest comes down to the trichomes. Grab a loupe and watch the heads turn from clear to milky white; a scattering of amber signals peak ripeness. Outdoor plants usually reach that point in early autumn, while indoor runs land at the end of the 8 to 9 week flowering window.

After the cut, hang the branches in a dark room at 59 to 68°F with humidity near 50% and gentle air movement. Slow beats fast: drying over 10 to 14 days protects the pungent pine, earthy and lemon-fuel aromas that define this strain. When the small stems snap instead of bending, move the buds into jars.

Cure in sealed glass, opening the jars daily for the first week to let moisture escape, then easing off as the aroma deepens. Two to four weeks of patience here is where the classic OG pungency really comes forward, and it is the step most first-time growers rush.

Frequently Asked Questions

Is True OG easy to grow for beginners?

True OG rates as a moderate grow rather than a beginner one. Its OG Kush genetics are a little fussy: it dislikes humidity, is prone to Cal-Mag deficiency, and burns easily on a heavy feed. If you can keep humidity down and feed lightly, it is very rewarding; complete beginners should be ready for those quirks.

How long does True OG take to flower?

True OG flowers in 8 to 9 weeks indoors once you switch to a 12/12 light cycle. Outdoors it is usually ready in early autumn. It does not stretch much during flower, staying compact, so you can flip to 12/12 fairly early and still keep a manageable, productive plant with dense, resinous colas.

How tall does True OG grow?

True OG is compact, a classic OG trait. Indoors it stays between 2.5 and 4 feet, which makes it ideal for tents and discreet spaces. Outdoors it can reach up to around 6.5 feet in good conditions. Low-stress training helps open its tight internodes so light reaches the lower bud sites.

How strong is True OG?

True OG has a medium to high THC level of 23 to 27%. The effect is deeply relaxing, euphoric and happy, the classic OG couch-lock body paired with a happy mental lift from its 70% indica makeup. It leans toward evening use, so start with a small amount if you are sensitive to potent strains.

What does True OG taste and smell like?

True OG delivers the classic OG Kush signature: crisp pine and sharp lemon over a deep, earthy, fuel-like musk. It is pungent and savory rather than sweet, loud on the nose, and a slow cure sharpens those pine-and-fuel notes while rounding off any harsh edges in the flavor.

Can I grow True OG outdoors?

Yes, and True OG does best in a warm, dry Mediterranean climate like Southern California, its natural home. It can reach around 6.5 feet outdoors and finishes in early autumn. Because it dislikes damp air and its dense buds can catch mould, give it airflow and a dry spot to finish cleanly.