Granddaddy Purple and Blackberry Moonrocks are two popular American cannabis varieties known for their unique characteristics. In this comprehensive comparison, we analyze their differences in genetics, aroma, potency, plant structure, and yield to help you choose the option that best fits your preferences.
Comparison Table
| Characteristic | Granddaddy Purple | Blackberry Moonrocks |
|---|---|---|
| THC | 22 - 28% | 26 - 33% |
| CBD | Low - 0.3% | Low - 2% |
| Seed Type | Feminized | Feminized |
| Phenotype | 20% Sativa / 70% Indica | 20% Sativa / 80% Indica |
| Lineage | Purple Urkle X Big Bud | Blue Moonrock x male Blackberry Kush |
| Yield Indoor | 1.48 - 1.64 oz/ft2 | 450 - 500 g/m2 | 1.80 - 1.80 oz/ft2 | 550 - 550 g/m2 |
| Yield Outdoor | 21.16 - 24.69 oz/plant | 600 - 700 g/plant | 12.35 - 22.93 oz/plant | 350 - 650 g/plant |
| Height | 4.92 ft | 1.5 m | 3.94 ft | 1.2 m |
| Climate | Temperate | Continental |
| Harvest Month | All Season | All Season |
| Flowering Time | 8 - 10 weeks | 8 - 10 weeks |
| Flavor | Berry, Fruity | Berry, Blueberry |
| Effects | Happy, Relaxed, Talkative | Focused, Happy, Relaxed |
| Medical | Arthritis, Insomnia, Pai | Arthritis, Depression, Fatigue, Migraines |
| Terpenes | Camphene, Linalool, Valencene | Linalool, Nerolidol |
Genetics and Origin
The genetics of Granddaddy Purple come from Purple Urkle X Big Bud, creating a 20% Sativa / 70% Indica profile. This genetic combination provides unique characteristics that make it stand out among American cannabis varieties.
In contrast, Blackberry Moonrocks combines Blue Moonrock x male Blackberry Kush, resulting in a 20% Sativa / 80% Indica composition. The difference in genetic background creates distinct growth patterns and final product characteristics between these two strains.
Terpenes, Aroma and Flavor
Granddaddy Purple stands out with berry, fruity notes. Its terpene profile includes camphene, linalool, valencene, creating a complex sensory experience that appeals to connoisseurs looking for distinctive aromatic profiles.
Blackberry Moonrocks offers berry, blueberry characteristics. With terpenes like linalool, nerolidol, this variety provides a different sensory journey, making it ideal for those seeking specific flavor profiles.
Production, Structure and Yield
Granddaddy Purple produces dense flowers with excellent resin production. Indoor yields range around 1.48 - 1.64 oz/ft2 | 450 - 500 g/m2, while outdoor cultivation can achieve 21.16 - 24.69 oz/plant | 600 - 700 g/plant. The plant reaches approximately 4.92 ft | 1.5 m and is well-suited for temperate climates.
Blackberry Moonrocks develops a robust structure with vigorous growth. Indoor production is around 1.80 - 1.80 oz/ft2 | 550 - 550 g/m2, with outdoor yields reaching 12.35 - 22.93 oz/plant | 350 - 650 g/plant. With a height of 3.94 ft | 1.2 m, this variety thrives in continental conditions.
Which Variety is Right for You?
Granddaddy Purple is ideal for those seeking berry, fruity flavors and happy, relaxed, talkative effects. With THC levels of 22 - 28% and a flowering time of 8 - 10 weeks, it's a great choice for growers looking for a 20% sativa / 70% indica experience.
Blackberry Moonrocks better suits those who prefer berry, blueberry profiles and focused, happy, relaxed characteristics. Offering 26 - 33% THC with a flowering period of 8 - 10 weeks, this variety delivers a 20% sativa / 80% indica profile.
Final Conclusion
Both Granddaddy Purple and Blackberry Moonrocks are excellent choices, each with unique characteristics. If you're looking for berry, fruity notes and happy, relaxed, talkative effects, Granddaddy Purple is your best option. If you prefer berry, blueberry characteristics with focused, happy, relaxed properties, Blackberry Moonrocks will be the perfect fit.
➡️ View full specs of Granddaddy Purple
➡️ View full specs of Blackberry Moonrocks
Similar Seeds
Seeds similar to Granddaddy Purple:
Seeds similar to Blackberry Moonrocks:
Frequently Asked Questions
Is Granddaddy Purple better than Blackberry Moonrocks?
Neither is objectively "better" - it depends on your preferences. Granddaddy Purple offers 22 - 28% THC with berry, fruity flavors, while Blackberry Moonrocks provides 26 - 33% THC with berry, blueberry characteristics.
What's the difference between Granddaddy Purple and Blackberry Moonrocks genetics?
Granddaddy Purple comes from Purple Urkle X Big Bud, while Blackberry Moonrocks is a cross of Blue Moonrock x male Blackberry Kush. This creates different phenotype profiles: 20% Sativa / 70% Indica vs 20% Sativa / 80% Indica.
Which has better aroma, Granddaddy Purple or Blackberry Moonrocks?
Granddaddy Purple features berry, fruity notes, while Blackberry Moonrocks offers berry, blueberry aromas. The choice depends on your personal preference for terpene profiles.
Is Granddaddy Purple more productive than Blackberry Moonrocks?
Granddaddy Purple yields approximately 1.48 - 1.64 oz/ft2 | 450 - 500 g/m2 indoors, while Blackberry Moonrocks produces around 1.80 - 1.80 oz/ft2 | 550 - 550 g/m2. Both offer excellent production under optimal conditions.
What are the effects of Granddaddy Purple vs Blackberry Moonrocks?
Granddaddy Purple is known for happy, relaxed, talkative effects, while Blackberry Moonrocks provides focused, happy, relaxed characteristics. Both have distinct terpene profiles that contribute to their unique experiences.
Which variety flowers faster?
Granddaddy Purple has a flowering time of 8 - 10 weeks, compared to Blackberry Moonrocks's 8 - 10 weeks. This difference can be important when planning your growing schedule.
Can I grow both varieties together?
Yes, both Granddaddy Purple and Blackberry Moonrocks can be grown together. However, note that Granddaddy Purple reaches 4.92 ft | 1.5 m while Blackberry Moonrocks grows to 3.94 ft | 1.2 m, so plan your space accordingly.
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