Blue Cheese
Cannabis seeds
by Royal Queen Seeds
Blue Cheese Cannabis Seeds by Royal Queen Seeds
Blue Cheese is a feminised cannabis seed from Royal Queen Seeds that crosses the legendary UK Cheese with Oregon Blueberry, then back-crosses with Cheese again to lock in those funky, fruity genetics. The result is an 80% indica hybrid that finishes flowering in 50–55 days and stacks dense, resinous buds with a sweet-musky aroma you can smell through two rooms. If you've grown Cheese before and loved the yield but wanted more flavour depth, this is where you go next.
Pack Sizes
| Pack | Seeds | Best For |
|---|---|---|
| 1 seed | 1 | Test run — see how she grows in your setup before committing |
| 3 seeds | 3 | Small tent or SOG trial with a few phenotypes to compare |
| 5 seeds | 5 | Solid middle ground — enough to fill a 1m² canopy |
| 10 seeds | 10 | Full SOG or hydro run with room for selection |
These are feminised seeds, so every one should produce a female plant. We'd pick the 5-pack over the 3 for any indoor grow — the extra two seeds give you a safety margin if germination isn't 100%, and you'll have enough plants to properly fill a square metre.
Blue Cheese Genetics and Flavour Profile
Blue Cheese seeds carry a genetic lineage that reads like a greatest-hits compilation: Original Cheese (a Skunk #1 phenotype that took the UK by storm in the late '90s) crossed with Oregon Blueberry, one of the most celebrated indica strains to come out of the American Northwest. Royal Queen Seeds then back-crossed the offspring with Cheese a second time, stabilising the genetics and pushing that unmistakable savoury funk to the front of the flavour profile.
The nose on Blue Cheese is genuinely distinctive. A few weeks into flowering, the sweet berry notes from the Blueberry parent start threading through the earthy, musky Cheese base. It's not subtle — by week six, the terpene output is intense enough that you'll need your carbon filter pulling at full capacity. According to research published in PMC (PMC7819481), flavour descriptors like "blue cheese" correlate with specific terpene profiles in cannabis, which helps explain why this strain's aroma is so immediately recognisable. Dominant terpenes typically include myrcene (earthy, musky), caryophyllene (peppery), and linalool (floral-sweet). According to a review in PMC (PMC8426550), pinene and linalool — both present in Cheese-lineage strains — have been examined for their potential effects on neurological parameters, though more research is needed.
The one honest limitation on flavour: the Cheese side dominates. If you're buying Blue Cheese expecting a blueberry candy profile, you'll be disappointed. The fruit is there, but it plays backup to the funk. Think aged Stilton with a handful of blueberries on the side, not the other way round.
Growing Blue Cheese Seeds Indoors
Blue Cheese finishes its flowering period in 50–55 days — that's fast for an indica-dominant hybrid producing this kind of weight. Indoor plants reach 100–160cm depending on how long you veg and whether you train them. Average yield sits at 500–550g/m² with experienced growers pushing well beyond that, particularly in hydroponic setups.
This strain adapts to most growing techniques, but Royal Queen Seeds specifically recommends a Sea of Green (SOG) configuration for the best results. In SOG, you pack more small plants per square metre and flip to flower early, which plays to Blue Cheese's natural branching structure and fast finish time. The slightly above-average leaf-to-flower ratio is the only real drawback — you'll spend a bit more time defoliating than you would with, say, a pure Skunk line. But the bud density and resin coverage more than compensate.
A few practical notes from growers we've spoken to over the years:
- Keep relative humidity below 50% once buds start stacking. The density of Blue Cheese colas makes them susceptible to mould if air circulation is poor.
- Start your carbon filter early — by week three of flower, the smell is already noticeable. By week five, it's unmissable.
- She responds well to topping and LST during veg. If you're growing in a shorter tent (under 160cm), top once and spread the canopy to keep height manageable.
- Feed moderately. Blue Cheese doesn't need heavy nutrients — a standard indica feeding schedule works fine. Overfeeding shows up quickly as burnt tips.
- Flush for the final 7–10 days before harvest to bring out the full flavour complexity.
Growing Blue Cheese Seeds Outdoors
Outdoors, Blue Cheese plants grow slightly taller than their indoor counterparts and are ready for harvest by the end of September in the Northern Hemisphere. Expect yields of around 500–550g per plant when grown in good soil with adequate sunlight. The compact, indica-dominant structure handles wind reasonably well, but the dense buds still need airflow — if you're in a humid climate, spacing your plants generously is non-negotiable.
The outdoor aroma is, predictably, intense. If discretion matters, this isn't the strain to plant next to a footpath. The musky Cheese terpenes carry on the breeze, and there's no carbon filter to save you in the garden.
Blue Cheese Effects and Cannabinoid Profile
Blue Cheese delivers a relaxing, body-focused effect that leans heavily on its 80% indica genetics. According to WebMD's strain database, Blue Cheese is classified as an 80/20 indica-sativa hybrid with approximately 2% CBG — a secondary cannabinoid that research suggests may contribute to the overall entourage effect. THC levels in well-grown Blue Cheese hover around 19–21%, with some phenotypes reportedly reaching 23% according to seed bank data.
The effect profile is more stone than stimulation. Physical relaxation comes on steadily, accompanied by a calm mental state that doesn't tip into heavy sedation unless you overdo it. It's a good evening strain — the kind you reach for after everything's done, not before you need to be productive. According to a study examining subjective cannabis responses (PMC7819481), strain-specific flavour profiles like those found in Blue Cheese correlate with distinct reported effect patterns, though individual responses vary with tolerance and setting.
Traditionally, indica-dominant strains with this terpene profile have been used by consumers seeking physical relaxation. According to WebMD's cannabis strain reference, Blue Cheese is commonly associated with calming effects, though clinical evidence specific to this cultivar remains limited.
| Specification | Detail |
|---|---|
| Seed Bank | Royal Queen Seeds |
| Genetics | Original Cheese x Blueberry (back-crossed with Cheese) |
| Type | Feminised photoperiod |
| Indica / Sativa | 80% / 20% |
| THC | ~19–21% (up to 23% reported) |
| CBG | ~2% |
| Flowering Time | 50–55 days (7–8 weeks) |
| Indoor Height | 100–160cm |
| Indoor Yield | 500–550g/m² |
| Outdoor Harvest | End of September |
| Outdoor Yield | 500–550g per plant |
| Recommended Technique | SOG, hydroponics |
| Aroma | Sweet, earthy, musky, fruity |
| Available Packs | 1, 3, 5, 10 seeds |
Running Blue Cheese in a SOG setup? Pair it with a complete grow tent kit to get your ventilation and carbon filtration sorted from day one — you'll need it once those terpenes start pumping. If you're growing in soil, a quality organic nutrient kit will keep feeding simple without the risk of overloading this moderate feeder.
Why Blue Cheese Seeds Belong in Your Grow Room
We've been selling cannabis seeds since the early 2000s, and Cheese-family strains remain some of the most consistently requested genetics in the catalogue. There's a reason for that: they're reliable, they yield well, and the flavour profile is unlike anything else in cannabis. Blue Cheese takes that proven Cheese foundation and adds a layer of berry sweetness that rounds out the experience without diluting what made Cheese famous in the first place.
The 50–55 day flowering time is a genuine advantage. Compare that to something like Amnesia Haze, which can take 10–12 weeks to finish — Blue Cheese gives you a full harvest cycle in roughly half the time. For growers running multiple cycles per year, that speed adds up. And the yield-to-time ratio is excellent: 500–550g/m² in under 8 weeks of flower is hard to beat without moving to autoflowers.
The one thing to watch: the leaf-to-flower ratio is slightly higher than average. You'll trim more fan leaves and sugar leaves than you would with a strain like Critical, which is almost all bud. But the buds themselves are rock-hard and coated in a thick layer of trichomes. The resin production makes Blue Cheese a solid candidate for hash or extracts if you're into processing your trim.
If you've been growing Royal Queen Seeds genetics and want something with more character than a standard Skunk but less fuss than a long-flowering Haze, Blue Cheese sits right in that sweet spot. It's not the most exotic seed in the catalogue, but it's one of the most dependable — and after 25+ years of watching growers come back for refills, dependability counts for a lot.
Frequently Asked Questions
What does Blue Cheese smell like when flowering?
Intensely musky and earthy with a sweet berry undertone. The Cheese funk dominates, especially from week three of flower onwards. If growing indoors, run your carbon filter from the start of flowering — by mid-flower the smell is strong enough to permeate walls.
Is Blue Cheese good for beginners?
Yes. Blue Cheese is forgiving, finishes in 50–55 days, and doesn't need advanced techniques to produce a solid yield. SOG gives the best results, but she'll perform well in a simple soil setup too. The main thing to manage is humidity — those dense buds need airflow.
What yield can I expect from Blue Cheese indoors?
Average indoor yield is 500–550g/m² with standard growing techniques. Experienced growers using hydroponics or dialled-in SOG setups regularly exceed that figure. Outdoor plants produce a similar amount per plant when harvested at the end of September.
How tall does Blue Cheese grow indoors?
Between 100cm and 160cm depending on veg time and training. Topping once during veg and using low-stress training keeps her under 120cm comfortably, which suits most grow tents. Outdoors she'll stretch a bit taller.
Does Blue Cheese have any side effects?
Dry mouth and dry eyes are the most commonly reported side effects across indica-dominant strains. The relaxing body effect can feel heavy at higher doses, so start conservatively if your tolerance is low. According to WebMD, these are typical responses for strains in the 80% indica range.
What's the difference between Blue Cheese and regular Cheese seeds?
Blue Cheese adds Blueberry genetics to the classic Cheese, introducing berry sweetness to the flavour and slightly more physical relaxation. Regular Cheese (like Royal Cheese Fast Flowering from Royal Queen Seeds) is punchier on the skunky-musky side and finishes in a similar timeframe. Blue Cheese is the better pick if you want more flavour complexity.
Can I grow Blue Cheese in a hydroponic system?
Absolutely — Royal Queen Seeds specifically notes that hydroponic systems produce the best results with Blue Cheese. The faster nutrient uptake in hydro pushes yields above the 550g/m² average. Just watch your EC levels; she's a moderate feeder and doesn't need heavy nutrient concentrations.
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.