How To Grow Granddaddy Purple auto
Granddaddy Purple Autoflower: This strain is an indica-dominant hybrid, celebrated for its vibrant purple buds and soothing effects. Originating from a blend of Purple Urkle, Big Bud, and ruderalis genetics, it offers THC levels between 18% and 30%. With its sweet grape and berry flavors, this strain provides a deeply relaxing experience, making it a favorite among enthusiasts.
Granddaddy Purple Autoflower stands out with its rich terpene profile, featuring myrcene, caryophyllene, and pinene. These terpenes contribute to its earthy, spicy aroma and enhance its relaxing effects. With a flowering time of 8-10 weeks, this strain is perfect for growers seeking a quick turnaround. Its compact size makes it ideal for both indoor and outdoor cultivation.
Recommended Strains
Granddaddy Purple Auto
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THC | 16% - 19% (Medium) |
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Type | Autoflowering |
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Yield | High |
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Phenotype | 80% Indica / 20% Sativa |
Granddaddy Purple
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THC | 25% (High) |
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Type | Feminized |
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Yield | High |
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Phenotype | 70% Indica / 30% Sativa |
Granddaddy Purple Autoflower Details
Strain Overview and Genetics
Granddaddy Purple Autoflower is an indica-dominant strain, known for its striking purple buds and relaxing effects. It descends from a lineage that includes Purple Urkle, Big Bud, and ruderalis, providing a robust genetic foundation. This autoflowering variant simplifies the growing process by automatically transitioning from vegetative to flowering stages without requiring light cycle changes.
The strain’s genetics contribute to its dense, resinous buds, which are rich in trichomes. These trichomes enhance the strain’s potency, with THC levels ranging from 18% to 30%. The presence of ruderalis genetics ensures a shorter growth cycle, typically completing in 10-12 weeks from seed to harvest.
Environmental Requirements
For optimal growth, Granddaddy Purple Autoflower thrives in a temperate climate. Daytime temperatures should remain between 70°F – 80°F (21°C – 27°C), with slightly cooler nights. Consistent temperature and humidity levels are crucial to prevent stress and potential mold issues. Indoor growers should use high-quality LED lights or HPS lamps to ensure robust bud development.
Outdoor growers should select a sunny location, ensuring the plants receive ample sunlight. In cooler climates, utilizing a greenhouse can extend the growing season. Maintaining a humidity level of 60% during the vegetative phase and 40-50% during flowering helps optimize growth and resin production.
Promos & Deals
How to Grow Granddaddy Purple Autoflower
Indoor vs. Outdoor Cultivation
Indoor cultivation of Granddaddy Purple Autoflower requires a well-organized grow space. A grow tent or dedicated grow room with sufficient vertical space and proper ventilation is essential. An efficient exhaust system with a carbon filter helps control odors and prevent heat buildup. Reflective materials like Mylar sheets maximize light distribution.
Outdoor cultivation requires selecting a location with well-draining soil, rich in organic matter. Large containers or fabric pots are recommended for better control over soil quality and root health. Protecting plants from strong winds with stakes or trellises ensures stability and promotes better airflow.
Propagation and Germination
Successful germination of Granddaddy Purple seeds autoflower begins with selecting high-quality seeds from a reputable seed bank like Blimburn Seeds. Soak the seeds in distilled water or a damp paper towel for 24-48 hours, maintaining a temperature of 70°F – 85°F (21°C – 29°C). Once taproots develop, transfer them to a pre-moistened growing medium.
Place the seeds in a warm, humid environment with gentle airflow, maintaining a temperature of 75°F – 80°F (24°C – 27°C) and a humidity level of 60-70%. Gradually increase light intensity as seedlings develop. Once seedlings have a few sets of true leaves, transplant them into larger pots or final growing containers.
| Feature / Merkmal | Granddaddy Purple Auto | Critical Kush | Blue Dream |
|---|---|---|---|
| THC Content | 18-30% | 20-25% | 17-24% |
| Dominant Terpene | Myrcene | Caryophyllene | Pinene |
| Flowering Time | 8-10 weeks | 8-9 weeks | 9-10 weeks |
| Yield (Indoor) | 1.5-1.8 oz/ft² (450-550 g/m²) | 1.8-2.2 oz/ft² (550-650 g/m²) | 1.6-2.0 oz/ft² (500-600 g/m²) |
| Effect | Relaxing | Calming | Uplifting |
Granddaddy Purple Auto Week by Week Guide
Germination and Seedling Stage
During the germination stage, ensure seeds are kept in a dark, warm environment. Maintain a temperature of 70°F – 85°F (21°C – 29°C) for optimal germination rates. Once seedlings emerge, provide indirect light and keep humidity levels at 60-70%. This stage typically lasts one to two weeks.
As seedlings develop, gradually increase light exposure. Use LED lights set at 200-400 µmol/m²/s to prevent stretching. Ensure the growing medium remains moist but not waterlogged. Monitor for signs of nutrient deficiencies, such as yellowing leaves, and adjust feeding as necessary.
Vegetative Phase
In the vegetative phase, increase light intensity to 400-600 µmol/m²/s and maintain an 18-20 hour light schedule. This phase lasts 3-4 weeks. Provide a nutrient solution with an N:P:K ratio of 3:1:2 to support vigorous growth. Monitor pH levels, keeping them between 6.0 and 6.5.
Implement training techniques like low-stress training (LST) to optimize light penetration and canopy structure. Regularly check for pests and diseases, taking corrective action at the first sign of trouble. Proper ventilation and airflow are crucial to prevent mold and mildew.
Flowering Phase
During the flowering phase, adjust the light cycle to a strict 12/12 photoperiod, ensuring 12 hours of light and 12 hours of complete darkness. This phase is critical for bud development and typically lasts 6-8 weeks. Maintain a humidity level of 40-50% to prevent bud rot and enhance resin production.
Switch to a nutrient solution with lower nitrogen and higher phosphorus and potassium, often referred to as “super-bloom” nutrients, to support bud growth. Monitor trichome development closely to determine the optimal harvest time.
Harvesting and Curing Granddaddy Purple Auto
Harvesting Techniques
Harvesting Granddaddy Purple Auto at the right time is crucial for potency and flavor. Monitor trichomes with a magnifying tool; harvest when they are mostly cloudy, with some turning amber. This indicates peak THC levels. Buds should feel firm and dense, with pistils turning reddish-brown.
Use sharp, sterilized scissors to cut branches, leaving a small stem attached to each bud. Handle buds gently to preserve trichomes. Hang them upside down in a dark, well-ventilated space with a temperature of 60°F – 70°F (15°C – 21°C) and humidity of 45-55% for 7-10 days.
Curing Process
Once dried, transfer buds to airtight glass jars for curing. Fill jars to 75% capacity to allow air circulation. Open jars daily for the first week to release moisture, then reduce frequency to weekly. Maintain a temperature of 60°F – 70°F (15°C – 21°C) and humidity of 58-62%.
Continue curing for at least 4-6 weeks to enhance flavor and aroma. Longer curing periods of up to three months can further improve quality. Regularly check for mold and adjust conditions as necessary to prevent spoilage.
Professional Tips for Growing Granddaddy Purple Auto
- Maintain 58-62% RH during curing to prevent mold and enhance terpene development. Use a digital hygrometer for accuracy.
- Ensure a consistent 18-20 hour light schedule during vegetative growth to maximize photosynthesis and plant vigor.
- Use an N:P:K ratio of 3:1:2 during vegetative growth to support robust leaf and stem development.
- Monitor trichome color closely during flowering to determine the optimal harvest time for desired effects.
- Implement low-stress training (LST) to improve light penetration and increase yield potential.
- Regularly inspect plants for pests and diseases, taking immediate action to prevent infestations.
FAQ About Granddaddy Purple Auto
How much does Grandaddy Purple autoflower yield?
Granddaddy Purple Autoflower typically yields between 1.5-1.8 oz/ft² (450-550 g/m²) indoors. Outdoor yields can reach up to 150 grams per plant, depending on environmental conditions and cultivation techniques. Proper care and optimal conditions are crucial to achieving these yields.
What is the highest yielding autoflower?
Critical Kush is known for its high yields among autoflowers, producing up to 2.2 oz/ft² (650 g/m²) indoors. Its robust genetics and efficient growth cycle contribute to its impressive yield potential. Proper training and nutrient management further enhance its productivity.
Does grand daddy purp get you high?
Yes, Granddaddy Purple Autoflower provides a potent high due to its THC content, which ranges from 18% to 30%. Its indica-dominant effects offer deep relaxation and euphoria, making it ideal for evening use. The strain’s terpene profile enhances its calming properties.
How strong is Granddaddy Purple?
Granddaddy Purple is a potent strain with THC levels ranging from 18% to 30%. Its strength is complemented by a rich terpene profile, including myrcene, which enhances its sedative effects. This makes it a popular choice for those seeking relaxation and stress relief.
Can I use Granddaddy Purple Auto in edibles?
Yes, Granddaddy Purple Auto can be used in edibles, offering a potent and relaxing experience. Decarboxylate the buds at 220°F (104°C) for 30-45 minutes before infusing them into oils or butter. This process activates the THC, ensuring effective edibles.
