A Master Grower is a senior-level horticultural expert responsible for overseeing all cultivation operations in cannabis or agricultural facilities, ensuring optimal plant health, yield, and quality through advanced growing techniques and scientific methodologies. This role is critical for maintaining product consistency, maximizing production efficiency, and driving the commercial success of cultivation operations through expert crop management and innovation.
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What is a Master grower?
A Master Grower is the lead horticulturist and cultivation expert in agricultural operations, particularly within the cannabis industry, though the role exists in other high-value crop sectors. This professional possesses extensive knowledge of plant biology, soil science, nutrient management, and environmental controls. They are responsible for the entire lifecycle of crops, from propagation to harvest, utilizing both traditional gardening techniques and modern agricultural technology. The Master Grower typically holds years of hands-on experience and often has formal education in botany, horticulture, or plant sciences, serving as the ultimate authority on all matters related to plant health and production within their facility.
What does a Master grower do?
A Master Grower manages all aspects of plant cultivation, including developing and implementing growing protocols, monitoring environmental conditions (light, temperature, humidity), and managing nutrient schedules. They supervise cultivation staff, train team members on proper techniques, and ensure compliance with industry regulations. Master Growers troubleshoot plant health issues, prevent and manage pests and diseases, and continuously experiment with and optimize growing methods to improve yield and quality. They also maintain detailed records of growth cycles, manage inventory of supplies, and often collaborate with extraction or processing teams to ensure the final product meets quality standards.
Job Overview
The Master Grower is responsible for overseeing all cultivation operations and ensuring the production of high-quality cannabis products. This leadership position requires deep expertise in plant science, cultivation techniques, and facility management to optimize yield, potency, and consistency while maintaining compliance with state regulations in the rapidly expanding US cannabis industry.
Master grower responsibilities include:
1. Develop and implement comprehensive cultivation protocols and SOPs for all growth stages
2. Monitor and optimize environmental controls (lighting, humidity, temperature, CO2)
3. Manage nutrient regimens, irrigation systems, and IPM (Integrated Pest Management) strategies
4. Oversee cloning, propagation, vegetative growth, and flowering cycles
5. Conduct regular plant health assessments and tissue sampling for analysis
6. Maintain detailed cultivation records and METRC compliance tracking
7. Lead and train cultivation team members on proper techniques and safety protocols
8. Coordinate with extraction and processing teams for harvest scheduling and quality standards
9. Implement and maintain GMP (Good Manufacturing Practices) throughout facility
10. Manage cultivation budget, inventory, and supply chain for growing materials
1. 5+ years commercial cannabis cultivation experience with minimum 2 years in leadership role
2. Deep knowledge of plant biology, chemistry, and cannabis genetics
3. Expertise in environmental control systems and cultivation technology
4. Proven track record of achieving consistent high yields and premium quality flower
5. Comprehensive understanding of state cannabis regulations and compliance requirements
6. Experience with large-scale cultivation operations (10,000+ sq ft)
7. Strong problem-solving skills for pest, pathogen, and nutrient deficiency issues
8. Ability to develop and maintain detailed documentation and standard operating procedures
9. Physical ability to work in cultivation environment and lift 50 pounds
10. Clean background check and ability to obtain state cannabis worker permit
Preferred Qualifications
1. Degree in Horticulture, Botany, Plant Science, or related field
2. Experience with multiple cultivation methodologies (hydroponics, aeroponics, living soil)
3. Knowledge of organic cultivation practices and certification standards
4. Experience with automated cultivation systems and control software
5. Previous work in regulated cannabis markets (California, Colorado, or Michigan experience)
6. Familiarity with cannabis testing standards and laboratory analysis interpretation
7. Experience with strain development and genetic selection
8. Knowledge of extraction processes and product formulation
9. Certifications in pesticide application, food safety, or GMP
10. Existing relationships with reputable genetics providers and cultivation suppliers
Bonus Skills
1. Experience with vertical farming and multi-tier cultivation systems
2. Knowledge of LED lighting technology and spectrum optimization
3. Proficiency in data analysis software for yield and quality tracking
4. Experience with cannabis competition judging or award-winning cultivation
5. Background in research and development of novel cultivation techniques
6. Familiarity with sustainable practices and energy-efficient facility design
7. Knowledge of cannabinoid and terpene profiling and manipulation
8. Experience with international cultivation regulations and practices
9. Background in agricultural engineering or controlled environment agriculture
10. Published research or speaking experience at cannabis industry conferences
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