Granddaddy Purple and Blue Dream 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 | Blue Dream |
|---|---|---|
| THC | 22 - 28% | 17 - 24% |
| CBD | Low - 0.3% | Low - 0.2% |
| Seed Type | Feminized | Feminized |
| Phenotype | 20% Sativa / 70% Indica | 50% Sativa / 50% Indica |
| Lineage | Purple Urkle X Big Bud | Blueberry x Haze |
| Yield Indoor | 1.48 - 1.64 oz/ft2 | 450 - 500 g/m2 | 1.97 - 1.97 oz/ft2 | 600 - 600 g/m2 |
| Yield Outdoor | 21.16 - 24.69 oz/plant | 600 - 700 g/plant | 17.64 - 24.69 oz/plant | 500 - 700 g/plant |
| Height | 4.92 ft | 1.5 m | 9.84 ft | 3 m |
| Climate | Temperate | Temperate |
| Harvest Month | All Season | All Season |
| Flowering Time | 8 - 10 weeks | 8 - 10 weeks |
| Flavor | Berry, Fruity | Berry, Blueberry, Mango, Sweet |
| Effects | Happy, Relaxed, Talkative | Euphoric, Happy, Relaxed |
| Medical | Arthritis, Insomnia, Pai | Depression, Pain, Stress |
| Terpenes | Camphene, Linalool, Valencene | Beta Caryophyllene, D-limonene, Humulene, Linalool, Myrcene |
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, Blue Dream combines Blueberry x Haze, resulting in a 50% Sativa / 50% 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.
Blue Dream offers berry, blueberry, mango, sweet characteristics. With terpenes like beta caryophyllene, d-limonene, humulene, linalool, myrcene, 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.
Blue Dream develops a robust structure with vigorous growth. Indoor production is around 1.97 - 1.97 oz/ft2 | 600 - 600 g/m2, with outdoor yields reaching 17.64 - 24.69 oz/plant | 500 - 700 g/plant. With a height of 9.84 ft | 3 m, this variety thrives in temperate 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.
Blue Dream better suits those who prefer berry, blueberry, mango, sweet profiles and euphoric, happy, relaxed characteristics. Offering 17 - 24% THC with a flowering period of 8 - 10 weeks, this variety delivers a 50% sativa / 50% indica profile.
Final Conclusion
Both Granddaddy Purple and Blue Dream 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, mango, sweet characteristics with euphoric, happy, relaxed properties, Blue Dream will be the perfect fit.
➡️ View full specs of Granddaddy Purple
➡️ View full specs of Blue Dream
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Frequently Asked Questions
Is Granddaddy Purple better than Blue Dream?
Neither is objectively "better" - it depends on your preferences. Granddaddy Purple offers 22 - 28% THC with berry, fruity flavors, while Blue Dream provides 17 - 24% THC with berry, blueberry, mango, sweet characteristics.
What's the difference between Granddaddy Purple and Blue Dream genetics?
Granddaddy Purple comes from Purple Urkle X Big Bud, while Blue Dream is a cross of Blueberry x Haze. This creates different phenotype profiles: 20% Sativa / 70% Indica vs 50% Sativa / 50% Indica.
Which has better aroma, Granddaddy Purple or Blue Dream?
Granddaddy Purple features berry, fruity notes, while Blue Dream offers berry, blueberry, mango, sweet aromas. The choice depends on your personal preference for terpene profiles.
Is Granddaddy Purple more productive than Blue Dream?
Granddaddy Purple yields approximately 1.48 - 1.64 oz/ft2 | 450 - 500 g/m2 indoors, while Blue Dream produces around 1.97 - 1.97 oz/ft2 | 600 - 600 g/m2. Both offer excellent production under optimal conditions.
What are the effects of Granddaddy Purple vs Blue Dream?
Granddaddy Purple is known for happy, relaxed, talkative effects, while Blue Dream provides euphoric, 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 Blue Dream'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 Blue Dream can be grown together. However, note that Granddaddy Purple reaches 4.92 ft | 1.5 m while Blue Dream grows to 9.84 ft | 3 m, so plan your space accordingly.
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