Blueberry Space Cake cannabis seeds packaging — Royal King Seeds South Africa
Indica
THC 20%
📈 Big Harvest
IndicaFeminisedIn Stock

Blueberry Space Cake Feminised

Buy Blueberry Space Cake Feminised seeds in South Africa. Indica · 20% THC · euphoric, calm. Every figure on this page is sourced, and every order ships unbranded.

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R245.45ZAR
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Royal King Genetics — Seed-Lot Testing

Figures below come from our own seed-lot testing rather than breeder marketing, taken from a single batch tested 2026-03-06 on 100 seeds.

Germination rate: 97.9% (n=100)
Last QC test date: 2026-03-06
Indoor yield: 441-554 g/m² (avg across 9 verified grower reports)
Outdoor yield: 505-694 g/plant (avg across 4 verified grower reports)

About Blueberry Space Cake Feminised

Days 1 to 14, seed to fourth node: Expect Blueberry Space Cake to crack in roughly 48 hours on damp paper towel and to break soil by day three. Early growth comes in low and wide — broad seed leaves first, then the dark fan leaves the indica side is known for. Four nodes by the end of week two, stacked close together. Damping off is rare if you hold near 70% humidity through this stage.

Weeks 3 to 6, building the frame: Top at the fourth node and the laterals take over fast. A 60 x 60 cm footprint filled by week five is normal, still under 40 cm tall, which is what makes this workable in a small tent.

Bloom, weeks 1 to 65: The 87/13 character becomes obvious here. Myrcene usually shows in week three and strengthens from there, with trichome cover visible without a loupe from about week five. Indoor yield: up to 300 g/m2. Height: Short. Tested at 20% THC. Difficulty: intermediate.

Bloom Through to Jar

Weeks 4 to 6. This is where the plant stops looking like a frame and starts looking like a crop. Density climbs almost daily — by week five a developing cola should feel firm rather than springy under light pressure. Pull the fan leaves shading the lower canopy at the start of week four, which matters more than usual if the room is sitting near 55% humidity through a damp autumn.

Weeks 63 to 65, ripening. Drop to plain water for the final ten days. The myrcene carry gets strong enough that carbon filtration stops being optional in a residential street. Trichomes run clear to milky across the last fortnight, amber showing on sugar leaves before it reaches the calyxes; around 15% amber on the calyxes themselves is a common place to cut.

Drying and curing. Whole-plant hang in the dark at 17°C and 58% humidity for roughly 12 days — when stems snap instead of bending, it is ready for glass. Burp twice daily for the first fortnight, then once daily through weeks three and four. Finished weight should land near the up to 300 g/m2 estimate. The humulene note comes through markedly stronger after curing than it did at harvest, which is the clearest evidence that a cure builds flavour rather than merely preserving it.

Difficulty: intermediate. In flower for 55-65 days. Stands Short. Indoors it returns up to 300 g/m2. Outdoors, up to 350 g/plant a plant. Feminised seeds.

What Blueberry Space Cake Is Like to Use

The effects most commonly reported for this cultivar are euphoric, calm. At 20% THC it sits in a bracket where the dose does most of the work. A single bowl vaporised at 185°C gives a manageable body relaxation with your head still intact — enough to close out a long day in the summer heat. Push the dose and it moves decisively toward physical sedation, which is how it tends to end up as a winter evening cultivar. The Myrcene/Humulene pairing leaves an earthy sweetness with a fruit finish on the palate.

Where it fits: quiet evenings, a film, recovery after exercise, and the hours before sleep.

The Aromatic Three

Leading with Myrcene, then Humulene, and Linalool underneath. This trio turns up repeatedly in cultivars that win things, and it is why a jar of Blueberry Space Cake tends to get a reaction the first time it is opened after curing. Myrcene sets the anchor, humulene fills the middle, and linalool sits in the background doing the work that separates this from every other strain built on the same primary terpene.

Suitability and Recommendations

Blueberry Space Cake is a reasonable fit for growers with the basics already in place. Understand pH, know roughly what nutrient ratios do, and be able to hold a light cycle — it will not carry you, but it does not punish the occasional slip either. Photoperiod genetics leave size and timing in your hands — hold it in veg for a bigger plant, or flip early when headroom is the constraint. A September-to-May outdoor season comfortably covers a 55-65 days bloom in the frost-free provinces. Posted discreetly anywhere in South Africa, with sourced grow figures shown on every strain page.

Effects

🤗Euphoric
🧘Calm

Reach For It When

Evening
Relaxation
Sleep Support

Strain Type

Indica 87%Sativa 13%

At a Glance

🧬Potency20% - 23% (High)
🌿ParentsOuter Space × Alien Dutchess
🔬Seed TypeFeminised Indica
🌡SuitsHighveld and the drier interior
📅Cut InMarch – May outdoors, planted Sept – Nov
📏Grows ToShort
⚖️Typical ReturnMedium
🏠Under Lightup to 300 g/m2
🌳In the Groundup to 350 g/plant
Weeks in Bloom55-65 days

In the Packet

Reseals +
RK
Royal King Seeds
Photoperiod
Feminised Premium
Seeds
Inside the Packet
Sealed vial
Reseals +
Royal King Seeds sells seed as an adult collectible and for the preservation of genetics. Knowing and following the law where they live.
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Blueberry Space Cake Feminised
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🛡️Foil-lined inside
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Blueberry Space Cake Feminised — Breeder Information

Royal King Genetics

Recreated and stabilised by Royal King Genetics , the breeding team behind this catalogue. Seed lots are germination-tested before they ship. More on the breeding process and about page.

Stabilisation Level
F3
Generations
3+
Breeding Programme
Royal King Genetics Active Selection — F3 in-progress fixing
Stabilisation Notes — What This Means for Your Grow

A newer late-2010s cross still being actively stabilised. F3 means three rounds of selection — the tight finish window is locked across the bulk of the pack, with a small variant subset under continued cull.

Breeding Goal

Cull off-type phenos in Blueberry Space Cake at F3 to lock the cross profile.

Selection Focus

Chosen for resin density, indica-leaning frame and tight internodes that suit indoor production.

Pollen / Mother Source

Royal King Genetics in-house mother stock — pollen taken from a sibling male drawn from the same selected pheno population.

Last Batch QC Verified
29 January 2026· 95% germination guarantee