Auto Ghost OG
Cannabis seeds
by Original Sensible Seeds
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Auto Ghost OG Cannabis Seeds by Original Sensible Seeds
Auto Ghost OG is an autoflowering feminised cannabis seed that delivers OG Kush genetics with boosted flavour and potency — all wrapped up in one of the simplest grows you'll find. Original Sensible Seeds crossed their Auto OG Kush with a prime Colorado Ghost cut, and the result is a resinous, compact plant that finishes seed-to-harvest in about 65–75 days. With 20% THC and yields up to 400g/m² indoors, this autoflower genuinely competes with photoperiod strains twice her size.
Why Auto Ghost OG Stands Out Among Autoflower Seeds
Most autoflowers trade potency for convenience. Auto Ghost OG doesn't ask you to make that compromise. Original Sensible Seeds took their already reliable Auto OG Kush — a strain we've seen recommended time and again for first-time growers — and infused it with Colorado Ghost OG genetics. That Ghost cut is famous in the US craft cannabis scene for its resin production and layered terpene profile, and those traits carry through here.
The result is a plant that smells dank, earthy, and seductive with a citrus-and-pine twist you don't usually get from autoflowers in this price bracket. When you crack a cured bud open, that citrus note hits first, followed by a deep, piney funk that sticks to your fingers. It's proper OG Kush character — not a watered-down version of it.
The one honest limitation: outdoor yields top out around 120g per plant. That's respectable for an auto, but if you're chasing massive outdoor harvests, a photoperiod OG Kush will outproduce her. Indoors under lights, though, 400g/m² is genuinely competitive. We'd pick Auto Ghost OG over most photoperiod strains if growing time is your bottleneck — 65–75 days from seed versus 4+ months is a real difference when you're working with limited space or want multiple harvests per year.
Growing Auto Ghost OG: What to Expect
Auto Ghost OG is one of the most straightforward autoflowers to grow. Original Sensible Seeds bred her for resilience — she handles temperature swings, resists mould, and shrugs off common pests better than most autos we've seen. If you can keep a houseplant alive, you can grow this strain.
She thrives in temperate and Mediterranean climates outdoors, but her compact size makes her a natural fit for indoor tents. According to grow logs and breeder data, most phenotypes finish their full life cycle in 70–85 days from seed, depending on environment. The breeder's official window is 65–75 days — the faster end if your light, temperature, and feeding are dialled in.
Because she's autoflowering, there's no need to switch light schedules. Plant the seed, give her 18–20 hours of light per day, and she'll transition to flower on her own internal clock. No light leaks to worry about, no separate veg and bloom rooms. That simplicity is what makes autos like this one a favourite for growers running small tents or cupboard setups.
One thing to watch: don't transplant her. Autoflowers have a fixed vegetative window, and transplant shock can stunt growth during the critical first two weeks. Start her in her final pot — a 7–11 litre container works well — and let her run.
Auto Ghost OG Yield, Flowering Time, and Harvest
Here are the numbers that matter. Auto Ghost OG delivers up to 400g/m² indoors and around 120g per plant outdoors, with a total life cycle of 65–75 days from germination to harvest.
| Specification | Details |
|---|---|
| Seed Type | Autoflowering, Feminised |
| Seed Bank | Original Sensible Seeds |
| Genetics | Auto OG Kush x Colorado Ghost OG |
| THC Content | Approximately 20% |
| Indoor Yield | Up to 400g/m² |
| Outdoor Yield | Up to 120g/plant |
| Seed-to-Harvest | 65–75 days |
| Climate Suitability | Temperate, Mediterranean |
| Resilience | Mould resistant, Pest resistant |
| Seeds per Pack | 3 |
For comparison, many photoperiod OG Kush variants need 8–9 weeks of flowering alone — plus 4–6 weeks of veg before that. Auto Ghost OG does the whole thing in 9–11 weeks total. If you're running a small indoor setup and want to squeeze in 3–4 harvests per year, that timeline makes a real difference.
Aroma, Flavour, and Effects of Auto Ghost OG
The terpene profile on Auto Ghost OG is where the Colorado Ghost cut earns its keep. The base is classic OG Kush — dank, earthy, with that unmistakable fuel-tinged musk. The Ghost genetics layer citrus and pine on top, giving the smoke a brighter, more complex character than a standard OG auto.
When you grind the buds, expect a sharp pine scent with sweet citrus underneath. The smoke itself is smooth for 20% THC flower, with the earthy dankness dominating on the inhale and the citrus coming through on the exhale. Crystal coverage is heavy — the buds look frosted, and they're sticky enough to gum up a cheap grinder.
At around 20% THC, Auto Ghost OG sits in the medium-to-upper potency range. According to Healthline's overview of high-THC strains, indica-dominant hybrids in this THC bracket typically produce effects that build gradually before settling into a deep body stone (Healthline, 2023). The breeder describes Auto Ghost OG's effect as a powerful, relaxing body stone — the kind that works best in the evening when you've got nowhere to be. Traditionally, OG Kush variants have been used for unwinding after a long day, and this auto version carries that same character.
One note: at 20% THC, this isn't a beginner-friendly smoke if you're new to cannabis. A single joint can be quite intense. If you're growing for personal use and your tolerance is low, consider mixing with a lower-THC herb or using a vaporiser where you can control your intake more precisely.
How to Grow Auto Ghost OG Seeds
- Germinate your seeds using the paper towel method or by placing them directly into a moist, airy growing medium. Taproot should appear within 24–72 hours.
- Plant the germinated seed 1–2cm deep in its final pot — 7 to 11 litres is the sweet spot. Do not plan to transplant later; autoflowers don't recover well from root disturbance.
- Provide 18–20 hours of light per day from seedling stage through harvest. Auto Ghost OG doesn't need a light schedule change to trigger flowering.
- Keep temperatures between 20–26°C and relative humidity around 50–60% during vegetative growth. Drop humidity to 40–50% once flowers form to reduce mould risk.
- Feed lightly during the first 2 weeks — autoflower seedlings are sensitive to overfeeding. Gradually increase nutrients as the plant enters its flowering stretch around week 3–4.
- Watch for the first pistils around day 21–28. From here, switch to bloom nutrients and maintain consistent light and temperature.
- Begin checking trichomes around day 60 with a jeweller's loupe. Harvest when most trichomes are milky-white with a few turning amber — typically between day 65 and 75.
- Dry your buds slowly in a dark room at 18–21°C and 55–60% humidity for 7–10 days, then cure in glass jars for at least 2 weeks. The citrus-pine terpenes really develop during the cure.
Auto Ghost OG vs Photoperiod OG Kush Seeds
We get asked this constantly: is the autoflower version actually worth it, or should you just grow a regular OG Kush? Here's the honest breakdown.
| Factor | Auto Ghost OG | Photoperiod OG Kush |
|---|---|---|
| Total Grow Time | 65–75 days | 12–16 weeks (veg + flower) |
| Light Schedule | 18–20h constant | 18/6 veg, 12/12 flower |
| Indoor Yield | Up to 400g/m² | 450–550g/m² (typical) |
| THC | ~20% | 20–25% (strain dependent) |
| Difficulty | Beginner-friendly | Intermediate |
| Harvests per Year (Indoor) | 3–4 | 2–3 |
If you want maximum yield per plant and don't mind the longer timeline, a photoperiod OG Kush will outproduce Auto Ghost OG. But if you value speed, simplicity, and the ability to run multiple cycles per year, the auto version is the smarter pick — especially in a small tent where you can't dedicate separate rooms to veg and bloom. The 20% THC and heavy resin production mean you're not sacrificing much on quality.
Growing Auto Ghost OG indoors? Pair her with a complete grow tent kit to get your environment right from day one. A carbon filter is non-negotiable if you're growing OG genetics — that dank, earthy aroma will fill your flat within weeks of flowering. A jeweller's loupe is also worth grabbing for trichome checks around harvest time.
What Strain Is Ghost OG?
Ghost OG is an indica-dominant cut of OG Kush that originated in Colorado. The "Ghost" name comes from the anonymous grower who first circulated the clone — it spread through the US medical cannabis community before breeders started working it into seed form. According to research published in PMC, OG Kush and its derivatives (including Ghost OG) are among the most genetically documented cannabis cultivars, frequently appearing in SNP genotyping studies (PMC, 2025). The strain is known for heavy resin production, a complex dank-citrus-pine terpene profile, and a deeply relaxing body effect backed by high THC levels.
Auto Ghost OG by Original Sensible Seeds takes this legendary cut and crosses it with their Auto OG Kush, adding ruderalis genetics for autoflowering capability while preserving the Ghost OG's flavour and potency. The result is a feminised autoflower that carries the essence of the original in a much more accessible growing format.
Frequently Asked Questions
Is Auto Ghost OG indica or sativa?
Auto Ghost OG is indica-dominant, inheriting its structure and effects from OG Kush and the Colorado Ghost cut. She grows compact with dense, resinous buds and produces a heavy body stone. The ruderalis genetics contribute the autoflowering trait but don't significantly alter the indica-dominant character.
How long does Auto Ghost OG take from seed to harvest?
The breeder states 65–75 days from germination to harvest. Across independent grow logs, most phenotypes finish within 70–85 days depending on environment. Cooler temperatures and lower light intensity can push her towards the longer end of that range.
Can beginners grow Auto Ghost OG?
Yes — this is one of the easiest autoflowers to grow. She's mould resistant, pest resistant, and doesn't require light schedule changes. The main thing beginners get wrong with autos is transplanting and overfeeding in the first two weeks. Start in the final pot and feed lightly early on.
What yield can I expect from Auto Ghost OG indoors?
Up to 400g/m² under optimal indoor conditions with 18–20 hours of light. Realistic first-grow yields are more like 250–350g/m². Outdoor plants produce around 120g each. Light intensity, pot size, and feeding schedule are the biggest variables.
Does Auto Ghost OG smell strongly during flowering?
Very much so. The OG Kush genetics produce a dank, earthy, fuel-like aroma that intensifies during weeks 4–8. The Ghost cut adds citrus and pine notes. If you're growing indoors without a carbon filter, your neighbours will know. A proper extraction fan and carbon filter setup is not optional for stealth grows.
What's the difference between Auto Ghost OG and Auto OG Kush?
Auto Ghost OG is the upgraded version. Original Sensible Seeds crossed their Auto OG Kush with a Colorado Ghost OG cut to improve flavour complexity and resin production. The grow difficulty and timeline are nearly identical — the difference is in the smoke. Auto Ghost OG has a more layered citrus-pine profile and denser trichome coverage.
How much THC does Auto Ghost OG produce?
Around 20% THC according to the breeder. Independent reports from Seeds66 place similar Ghost OG autoflower genetics in the 15–20% range. Growing conditions, light quality, and curing all affect final THC content. She's potent enough that low-tolerance users should start slowly.
Last updated: April 2026
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Medical disclaimer. This content is for informational purposes only and does not constitute medical advice. Consult a qualified healthcare provider before use of any substance.