Original Oz

Original Oz Cannabis Seeds by Grower's Choice

Original Oz is a 70% indica-dominant feminised cannabis seed from Grower's Choice that delivers lab-tested THC levels of up to 37% — among the highest we've ever stocked. Built on undisclosed genetics with possible Cookies and Cream lineage, this strain produces dense, aromatic buds dripping in resin after just 9 weeks of flowering. If you want heavy yields and a knockout indica stone, this is the seed to grow.

Why Original Oz Seeds Stand Out

Grower's Choice has been breeding cannabis for close to 30 years, and they call Original Oz "the heaviest smoke we have ever seen." That's not marketing fluff from a newcomer — that's a veteran seed bank putting their reputation behind a single strain. The lab results back it up: up to 37% THC in tested samples. For context, most top-shelf strains sit between 20% and 28%. Original Oz is in a different league entirely.

The name hints at Cookies and Cream heritage, though Grower's Choice keeps the exact genetic lineage under wraps. What they do disclose is the 70/30 indica-to-sativa split, which shows in everything from the plant's structure to the final smoke. Expect broad, dark green leaves, sturdy branches, and flowers that pack on weight fast during bloom. The buds themselves are tight, bright green, and often develop deep purple hues — the kind of bag appeal that makes you stop and stare.

Then there's the aroma. Earthy chocolate base notes layered with creamy vanilla and a lingering sweetness. Crack open a jar of cured Original Oz and the room fills up instantly. We'd go as far as saying this is one of the best strains for growers chasing both potency and flavour — you genuinely don't have to compromise on either.

Original Oz Growing Specs and Seed Variants

This pack contains 5 feminised seeds — no males to cull, no guesswork. Original Oz plants are manageable indoors at 120–150cm, though outdoor plants can stretch to 180cm. The vegetative phase is quick, with strong stems developing early, which means less time waiting and more time watching buds stack up.

How to Grow Original Oz Seeds

Original Oz is a genuinely easy strain to grow, even if you're only a few harvests deep. The indica dominance keeps the structure compact and forgiving, and the fast veg phase means you won't be babysitting seedlings for weeks on end. Here's how we'd approach it.

1. Germinate your seeds using the paper towel method or directly in a starter plug. Keep the environment warm (22–25°C) and moist. Taproots typically appear within 24–72 hours.
2. Transplant into your growing medium once the taproot is 1–2cm long. Original Oz does well in soil, coco, or hydro — she's not fussy.
3. During veg, give her 18 hours of light. You'll notice strong lateral branching early on. Low-stress training (LST) works brilliantly here to open up the canopy and expose more bud sites to direct light.
4. Flip to 12/12 when plants reach roughly 60–70% of your target height. She'll stretch a bit during the first two weeks of bloom, then focus all her energy on bud production.
5. Support heavy branches from week 5 of flowering onwards. The buds get seriously dense and the weight can snap untrained branches. Bamboo stakes or a trellis net are your friends.
6. Install a carbon filter. This is not optional. Original Oz is one of the most pungent strains we've stocked — the chocolate-vanilla aroma is gorgeous but extremely loud. Without proper filtration, your neighbours will know exactly what you're up to.
7. Harvest after approximately 9 weeks of flowering. Check trichomes with a jeweller's loupe — mostly milky with a few amber heads is the sweet spot for that heavy indica effect.

What to Expect from Original Oz: Aroma, Flavour, and Effect

Let's talk about what ends up in the jar. Original Oz buds are visually striking — compact, frosty nuggets with a bright green base that frequently turns deep purple toward the end of flowering. The trichome coverage is absurd, as you'd expect from a 37% THC strain. Break a bud open and you get that earthy, chocolatey base note first, followed by waves of creamy vanilla and a rounded sweetness that lingers on your fingers.

The smoke matches the nose. Rich, smooth, and layered — chocolate and cream on the inhale, sweet earthiness on the exhale. This is a strain that rewards a slow cure. Give your buds at least two weeks in jars and the flavour profile deepens considerably.

At up to 37% THC, Original Oz is not a casual smoke. Grower's Choice describes the effect as a deep, narcotic stone — the kind that pins you to the sofa for hours. If you're growing for potency above all else, this is the benchmark. One honest limitation: at this THC level, less experienced users should approach with real caution. A single hit can be overwhelming. According to research published in PMC, common side effects associated with cannabis inhalation include dry mouth, sore throat, and irritation of the oral mucosa (PMC7915118). Start small.

Original Oz vs Other Heavy Indica Seeds

We get asked a lot how Original Oz compares to other heavy-hitting indicas. Here's a quick comparison with two popular alternatives in our catalogue.

The numbers speak for themselves. Original Oz outperforms on both THC and yield. Gorilla Glue and Wedding Cake are excellent strains — we sell plenty of both — but if raw potency and heavy harvests are your priority, Original Oz is the one we'd pick. The 9-week flowering time is competitive too, so you're not sacrificing speed for those extra grams.