Royal Gorilla Autoflower
Cannabis seeds
by Royal Queen Seeds
Royal Gorilla Autoflower Cannabis Seeds
Royal Gorilla Autoflower is a feminised autoflowering cannabis seed from Royal Queen Seeds that packs 20% THC into a compact, fast-finishing plant. Built from a cross of Royal Gorilla, Royal Cookies, and ruderalis genetics, this strain delivers the kind of potency and resin production that most autos can only dream about — and it does it in 8 to 10 weeks from seed to harvest.
How Many Seeds Do You Need?
Royal Gorilla Autoflower seeds come in packs of 1, 3, 5, or 10. If you're running a single tent and want to fill a square metre, 4 plants in 11-litre pots is the sweet spot — grab the 5-pack so you have one spare. Planning a Sea of Green setup? Go for the 10-pack. Running your first auto? A single seed or 3-pack lets you learn the strain without overcommitting.
Why Royal Gorilla Autoflower Seeds Stand Out
There's still a stubborn myth floating around that autoflowers are the weaker sibling — less potent, less flavourful, less of everything. Royal Queen Seeds built this strain specifically to shut that down. Royal Gorilla Autoflower pulls its genetics from two of their heaviest hitters: the original Royal Gorilla (a Gorilla Glue descendant with roots in Sour Dubb, Chem Sis, and Chocolate Diesel) and Royal Cookies, their Girl Scout Cookies phenotype. The ruderalis addition triggers automatic flowering without sacrificing what makes those parent strains special.
At 20% THC, this sits comfortably above most autoflowers on the market. The buds come out dense, frosted in trichomes, and sticky enough that you'll want to wash your scissors mid-trim. The aroma leans earthy and sweet with a diesel edge — open a jar after curing and you'll know immediately this isn't a generic auto.
The honest limitation? She's not the most discreet plant outdoors. At up to 140cm in the open air, with a pungent terpene profile, she'll announce herself to anyone downwind. Indoors with a carbon filter, no issues. Outdoors on a balcony in a terraced house — think twice.
Growing Royal Gorilla Autoflower Seeds
This is one of the most forgiving autoflowers we've seen from Royal Queen Seeds, and that's saying something given their catalogue. Here's what to expect depending on your setup.
| Specification | Value |
|---|---|
| Seed Type | Autoflowering, Feminised |
| Genetics | Royal Gorilla x Royal Cookies x Ruderalis |
| THC | 20% |
| Seed to Harvest | 8-10 weeks |
| Indoor Height | 60-120cm |
| Outdoor Height | Up to 140cm |
| Indoor Yield | Up to 400g/m2 |
| Outdoor Yield | Up to 170g/plant |
| Suitable for SOG | Yes |
| Seed Bank | Royal Queen Seeds |
Indoors, she stays between 60 and 120cm — manageable in most tents from 80x80 upwards. She develops one dominant central cola with several strong side branches, and she responds well to low-stress training and cropping techniques. In a Sea of Green setup with multiple plants per square metre, she really shines. Expect up to 400 grams per square metre of dense, resinous buds.
Outdoors is where she stretches her legs. Give her full sun and decent soil and she'll push to 140cm, yielding up to 170 grams per plant. And because she's an autoflower — flowering based on age, not light cycle — you can plant successive rounds and pull multiple harvests in a single season. Plant one batch in April, another in June, and you're looking at staggered harvests through summer and autumn.
How to Grow Royal Gorilla Autoflower
- Germinate your seeds using the paper towel method or directly in a small pot of moist, light soil mix. Taproots typically emerge within 24-72 hours.
- Plant the germinated seed 1-2cm deep in its final container. Autoflowers don't love transplanting — starting in the final pot (7-11 litres) avoids root stress and keeps her on schedule.
- Provide 18-20 hours of light per day from seedling stage through harvest. Autoflowers don't need a light cycle change, so a consistent 18/6 or 20/4 schedule works throughout.
- Keep feeding light during the first 2-3 weeks. She's compact but vigorous — once she hits the vegetative growth spurt around week 3, introduce a balanced grow nutrient at half strength and build up.
- Watch for the pre-flower stretch around weeks 3-4. This is when she'll gain most of her height. If she's getting tall for your tent, gentle low-stress training (bending and tying) opens up the canopy and boosts light penetration to lower bud sites.
- Switch to bloom nutrients once you see pistils forming. She's a hungry plant during flowering — don't be shy with phosphorus and potassium, but ease off the nitrogen.
- Flush with plain water for the final 7-10 days before harvest. Trichomes should be mostly milky with some turning amber when she's ready — typically around weeks 8-10 from planting.
- Harvest, trim, and hang dry in a dark room at 18-20 degrees Celsius with 55-60% humidity for 7-10 days. Cure in glass jars for at least 2 weeks — the terpene profile develops noticeably with proper curing.
Royal Gorilla Auto vs Other Autoflower Strains
If you're comparing Royal Gorilla Autoflower against other popular autos in the Royal Queen Seeds lineup, here's how they stack up:
| Strain | THC | Seed to Harvest | Indoor Yield | Height (Indoor) |
|---|---|---|---|---|
| Royal Gorilla Autoflower | 20% | 8-10 weeks | Up to 400g/m2 | 60-120cm |
| Northern Light Auto | 14% | 9-10 weeks | Up to 500g/m2 | 80-120cm |
| Amnesia Haze Auto | 18% | 10-12 weeks | Up to 400g/m2 | 50-100cm |
Northern Light Auto edges ahead on yield and is a classic beginner strain, but at 14% THC it's a noticeably lighter experience. Amnesia Haze Auto gets closer on potency at 18% THC but takes longer to finish — up to 12 weeks — and tends to be a leggier, more finicky plant. Royal Gorilla Autoflower hits the best balance of potency, speed, and yield. We'd pick it over both if THC content is your priority.
Complete your grow setup with a propagation kit for germination and a grow tent with built-in ventilation to keep that diesel aroma under control. If you're running multiple Royal Gorilla Autoflower plants in a SOG, a set of fabric pots in 7 or 11 litres keeps root health solid throughout the cycle.
Frequently Asked Questions
How long does Royal Gorilla Autoflower take from seed to harvest?
8 to 10 weeks from the moment you plant the seed. That's the full cycle — vegetative growth and flowering included. She starts flowering automatically around weeks 3-4 regardless of your light schedule.
What yield can I expect from Royal Gorilla Autoflower indoors?
Up to 400 grams per square metre under good conditions with 18-20 hours of light. In a SOG setup with multiple plants, you'll typically get closer to that upper figure. A single plant in a small tent will yield less — roughly 50-100g depending on pot size and light intensity.
Does Royal Gorilla Autoflower need a light cycle change to flower?
No. That's the whole point of autoflowers — she'll start flowering on her own around weeks 3-4 based on age, not photoperiod. Keep her on 18/6 or 20/4 from start to finish for best results.
Can I grow Royal Gorilla Autoflower outdoors?
Absolutely. Outdoors she can reach 140cm and yield up to 170g per plant. Because she flowers automatically, you can plant successive rounds for multiple harvests in a single growing season. She wants full sun and consistent watering.
Is Royal Gorilla Autoflower good for beginners?
Yes — she's one of the more forgiving autos in the Royal Queen Seeds range. No need to manage light cycles, she handles low-stress training well, and the 8-10 week turnaround means you're not waiting months to see results. Start in the final pot to avoid transplant stress.
Why grow autoflowering cannabis seeds instead of photoperiod?
Speed and simplicity. Autoflowers don't need a 12/12 light flip to flower, they finish faster, and they stay compact enough for small spaces. Royal Gorilla Autoflower specifically closes the potency gap that used to make growers dismiss autos — 20% THC is serious.
How many Royal Gorilla Autoflower seeds should I buy?
For a single square metre SOG, a 5-pack gives you 4 plants plus a spare. For multiple harvests or outdoor planting in rounds, the 10-pack makes more sense. A 3-pack is solid for a first run to learn the strain.
Last updated: April 2026
Related products
You might also like
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.