Blackberry Moonrocks by Seeds66 is a strain that stands out immediately: extremely resinous buds, a deep berry aroma and THC levels that belong to the highest in our entire lineup. The genetics originate from a selected Blue Moonrock clone (Blue Moon x BOG Bubble) crossed with Blackberry (Black Domina x Raspberry Cough), refined into a stable, distinct Seeds66 line. The result is a strain for experienced growers and users who want dense structure, rich colours and exceptional potency.
Quick Info: Blackberry Moonrocks feminized
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Genetics: Blue Moonrock (Blue Moon x BOG Bubble) x Blackberry (Black Domina x Raspberry Cough)
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Type: feminized Seeds66 line
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Indoor flowering: 8 – 9 weeks
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Indoor yield: up to 550 g/m²
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Outdoor yield: up to 700 g per plant
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Height: up to 120 cm indoors, up to 200 cm outdoors
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THC level: 28 – 33 %
Origin & Seeds66 Selection
The foundation of Blackberry Moonrocks lies in two parent lines known for dense structure, powerful colour expression and heavy resin production. Through careful refinement, Seeds66 has developed these traits into a stable, predictable strain. In our internal tests conducted in California, the line repeatedly impressed with hard, compact buds, deep berry aromas and THC levels that consistently reached the upper spectrum of our catalog.
Blackberry Moonrocks does not require complicated techniques but responds clearly to a clean environment with proper airflow, lighting and substrate quality. Only after the line had shown its distinctive profile across several documented runs did we release it as an official Seeds66 variety.
Growth & Cultivation
Indoors, Blackberry Moonrocks reaches up to 120 cm and shows a strong, predictable growth pattern. The side branches fill the canopy evenly, and some phenotypes develop red or purple hues as flowering progresses. With a flowering time of 8–9 weeks, it performs in the classic hybrid window but produces much heavier buds than many strains with similar ripening periods.
Outdoors, the strain is ready for harvest at the end of September and can yield up to 700 g per plant under optimal conditions. It prefers warm, sunny environments with well-aerated soil. One of its biggest advantages is strong resistance to mould and fungal issues, which significantly improves reliability in humid climates.
Seeds66 Tip:
Give Blackberry Moonrocks a structured canopy: light defoliation and proper support for the main branches help carry the weight of these extremely resinous buds. Weeks 6–8 are where the strain often shows its characteristic colour shift, provided lighting and climate are well balanced.
Aroma & Terpenes
From the first moment you open the jar, Blackberry Moonrocks reveals its identity: a rich berry profile reminiscent of blueberries, blackberries and dark forest fruits. A light citrus note adds freshness and rounds out the aroma. Thanks to its extreme resin production, the flavour remains intense whether smoked or processed into concentrates.
The smoke is smooth and soft on the palate, with a deep, sweet berry note that lingers. Many describe it as “creamy berry sweetness” – a distinctive terpene expression rarely found in such potency.
Effects
With THC levels between 28–33%, Blackberry Moonrocks ranks among the strongest strains in the Seeds66 lineup. The effect sets in quickly: deeply relaxing, body-focused and mood-elevating. It is not intended for inexperienced users and is best suited for those who actively seek intense potency.
Most people choose this strain in the evening, as it helps unwind after demanding days and may assist with sleep difficulties in higher doses. Some users also report noticeable relief from tension and pain.
Seeds66 Philosophy
Blackberry Moonrocks clearly reflects how well a setup operates: light intensity, air movement and substrate conditions directly influence the outcome. For Seeds66, it is essential that a strain runs consistently and predictably – and this line has proven that in multiple documented grows.
In other words: We keep a Seeds66 strain only if it performs reliably in real-world grows – not because it’s trendy, but because it delivers.
Properties of Blackberry Moonrocks feminized
Type
80% Indica – 20% Sativa
Seed Type
feminized Seeds66 line
Genetics
Blue Moonrock x Blackberry
Effect
extremely strong, relaxing, uplifting
Flavour
blueberries, blackberries, forest berries
Indoor Flowering
8 – 9 weeks
Outdoor Harvest
end of September
Indoor Yield
up to 550 g/m²
Outdoor Yield
up to 700 g per plant
Height Indoor
up to 120 cm
Height Outdoor
up to 200 cm
THC / CBD
28 – 33 % / 0.2 %
Climate Zones
warm climates, sunny locations, well-protected outdoor environments
Seeds66 Note
a highly potent Seeds66 line for demanding growers.
Note: This description refers to the feminized version of Blackberry Moonrocks. You can find the autoflowering version here:
Blackberry Moonrocks Auto.
Frequently Asked Questions
1. Who is Blackberry Moonrocks suitable for?
Primarily for experienced users and growers who want extremely high potency and dense, resinous flowers.
2. How long does it flower indoors?
Most setups finish in 8–9 weeks.
3. How strong is the aroma during flowering?
Very strong: sweet, berry-heavy and rich. An active carbon filter is essential indoors.
4. What yields are realistic?
Indoors up to 550 g/m², outdoors up to 700 g per plant under optimal conditions.
5. Does it help with sleep or pain?
Many users report strong physical relaxation and improved sleep — especially in the evening.
6. Is there an autoflowering version?
Yes — the auto version is available here:
Blackberry Moonrocks Auto.
Seeds66 Editorial Team
All descriptions are based on our tests and documentation carried out in California. We publish only strains we have documented ourselves, focusing on germination strength, stability and reproducible results.
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