Old School OG Feminised
Indica genetics for a New Zealand grow. Old School OG Feminised carries a listed 20% THC and reads relaxed, sleepy, happy. Priced in NZD, GST included, delivered nationwide.
What the seed lot did on the bench
Every lot is checked before it goes on the shelf, and the yield figures come from New Zealand growers who sent us a harvest weight against a batch code. This lot was read on 2026-09-20, from a tray sample of 440.
Outdoor figures come from a New Zealand season, so they run below what the same cultivar reaches somewhere with a longer, drier autumn. Treat them as what this plant does here. The full report for this lot sets out the method and the terpene panel.
About Old School OG Feminised
Latitude decides more about a Old School OG crop than anything you buy. New Zealand runs roughly 34 to 47 degrees south, and that span turns one 76/24 indica into two different plants: a Kaitaia grower fights airflow and humidity through a muggy February, while a Southland grower is counting the weeks to first frost. Neither problem is about heat. If frost rather than heat is your limit, the strain finder sorts the catalogue by finishing time.
Growing Old School OG in New Zealand Conditions
Indoors the outside world stops mattering and the job is control. Outdoors it is the whole brief.
Upper North Island β Northland, Auckland, Waikato, Bay of Plenty. The longest season in the country and the wettest finish. Bud rot, not sunshine, is what costs you a crop here, so plant where morning air moves and thin the interior early rather than admiring a dense canopy in January. Tight indica flower structure is the risk factor to manage, and it is manageable.
Lower North Island. Hawke's Bay and Gisborne are the driest and sunniest stretch; Taranaki, ManawatΕ« and Wellington trade that for rain and wind. Wind decides how tall you let a plant get more than the genetics do.
South Island. Nelson, Tasman and Marlborough offer the best outdoor conditions nationally β high sunshine hours, low summer rainfall. Canterbury, Otago and Southland run a genuinely short season where flowering runs 55-65 days is the number that matters, because everything is a race against the first frost. A greenhouse or polytunnel buys the fortnight that makes the difference. If your season is short, the outdoor-season list is the better starting point.
Effect Profile
Relaxed, Sleepy, Happy is the consensus, and consensus is worth exactly what it sounds like β a starting point. 20% THC sets the scale; myrcene and the terpenes alongside it shape the character rather than the strength.
Onset is quick by inhalation and slow by ingestion, which is where most bad experiences begin. Expect the weight to settle physically within the hour.
If potency is what you are shopping for, the high-THC seeds category is sorted for it.
The Terpenes
Myrcene leads, caryophyllene sits behind it, and linalool runs underneath.
Temperature changes what you get. Vaporised low, around 180 to 188 degrees, caryophyllene and linalool come through cleanly while myrcene stays in the background. Combusted, myrcene dominates and the finer detail is largely lost. Same flower, two different experiences.
Who It Suits
Who does well with Old School OG? Growers who want to control plant size and harvest date, and have the vegetative space to use that control. First-timers included β the genetics are forgiving.
Still deciding? The indoor-friendly genetics list is the narrower place to start.
Published Figures
- Finishes in 55-65 days
- Under lights: up to 300 g/m2
- Grown out: up to 450 g/plant
- Height: 90-120 cm. Medium
- Difficulty: easy
Reported Effects
Descriptive, and ordered by how prominently each one appears in the sources we hold. Not a survey, and not a measurement.
Best For
Where It Sits
The Numbers
How it arrives
Feminised Premium
Seeds
authenticity
lining
number
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Where Old School OG Feminised Comes From
We hold no documented parentage for this cultivar, so none is shown. A blank here is an admission rather than an oversight β we would rather leave it empty than publish a lineage we cannot stand behind.
We did not originate the cultivars in this catalogue and do not claim to have. What we do is select and stabilise the lines we sell, so that a pack grows out more uniformly than an unworked one β which matters more in New Zealand than in most places, because an outdoor grower here is working to a frost date rather than an open-ended season. The stabilisation programme sets out how that works and what it does not cover.
Every pack is covered by our germination promise: follow the method in the germination guide and seed that fails to open is replaced free within 30 days.