Horticulture Supervisor jobs in Woodbridge, ON

About Us
Haven Greens is leading the way in sustainable agriculture by revolutionizing leafy greens production with advanced, fully automated greenhouse technology. Based in King City, Ontario, our cutting-edge facilities use renewable energy and Controlled Environment Agriculture (CEA) practices to deliver fresh, locally grown cut baby leaf lettuce year-round.
We are committed to reducing the environmental impact of farming and minimizing long-haul transportation. Our team is fast-paced, collaborative, and driven by a mission to transform how fresh food gets to market.

About the Role
The Technical Cultivation Associate at Haven Greens is a key member of our Grow team, working directly with hydroponically cultivated baby lettuce to support its efficient, high-quality production in our advanced, fully automated greenhouse facility. Reporting to the Director of Cultivation, this role focuses on hands-on tasks essential to maintaining optimal growth conditions, ensuring crop health, and maximizing productivity. As part of a team committed to sustainable agriculture, the Technical Cultivation Associate will play a pivotal role in upholding Haven Greens’ high standards for innovative and environmentally friendly food production.
This position offers opportunities for growth within the organization, making it ideal for individuals who are eager to advance their careers in controlled environment agriculture. It’s perfect for someone passionate about plant care and hydroponic systems, with a keen eye for detail and a commitment to operational excellence. The Technical Cultivation Associate will monitor crop health, assist with nutrient management, and contribute to the operation of advanced greenhouse technology. If you are excited about contributing to a sustainable future and thrive in a dynamic, collaborative environment, this role provides a hands-on opportunity to make a meaningful impact.

Responsibilities

• Crop Management: Perform daily cultivation tasks, including supporting sowing, germination, media removal, harvesting, and nutrient mixing processes according to established protocols.
• Integrated Pest Management (IPM): Conduct pest monitoring and control activities, including scouting for pests, checking and maintaining sticky traps, and documenting pest pressure levels. Assist with implementing biological and preventative pest control measures to maintain a healthy growing environment. Ensure the application of biological inoculates into growing gutters as part of regular crop care.
• Monitoring Conditions: Regularly check and maintain growing conditions, ensuring that climate, irrigation, and pest management controls are set for optimal crop health and yield.
• Data Collection and Reporting: Record daily metrics on crop performance, environmental conditions, and system functionality; report any irregularities to the Director of Cultivation.
• System Maintenance: Support routine maintenance and troubleshooting for greenhouse equipment, including irrigation/fertigation, climate control, and automated cultivation systems.
• End-of-Day Cleaning: Perform end-of-day cleaning tasks, including cleaning the sowing line and removing media, to maintain operational cleanliness and readiness for the next production cycle.
• Standard Operating Procedures (SOPs): Follow established SOPs for cultivation processes and safety protocols, including strict adherence to biosecurity and food safety standards.
• Cross-Functional Collaboration: Work with Production, Food Safety & Quality Assurance, Logistics, and Maintenance teams teams to ensure smooth operations and coordination across departments.
• Quality Assurance: Participate in daily inspections to assess crop quality, identifying and reporting any issues to ensure all products meet company standards.

Qualifications
Must-Have:

• High attention to detail and a commitment to following safety and quality protocols.
• Ability to work independently and as part of a team in a dynamic, fast-paced environment.
• Strong problem-solving skills and ability to adapt to changing conditions.
• Digital literacy, including familiarity with data recording tools and basic greenhouse software.

Nice-to-Have:

• Diploma or Bachelor’s degree in horticulture, agronomy, plant science, or a related field.
• 1–3 years of experience in a hydroponic greenhouse or controlled environment agriculture, ideally with leafy greens.
• Basic understanding of plant physiology, pest management, and nutrient requirements.
• Experience with or a background in microbiology, including the preparation and application of inoculations with beneficial bacteria, fungi, and other microorganisms.
• Additional certifications or training in greenhouse technology or controlled environment agriculture.
• Experience working with advanced greenhouse systems and automation technologies.
• Knowledge of food safety regulations and biosecurity protocols.

Working at Haven Greens
At Haven Greens, we are committed to creating a workplace where our team feels supported, valued, and inspired to achieve their best. We believe that a healthy, engaged workforce is the key to our success, and we are dedicated to fostering an environment that promotes both personal and professional growth.
As part of our commitment to your well-being, we offer comprehensive health and dental benefits to ensure you have the care and support you need. We encourage continuous learning and development, providing opportunities for you to grow your skills and advance your career. At Haven Greens, your success is our success, and together, we are building a sustainable future in agriculture.

Other

• Job type: Part-time - Sundays and Tuesdays
• Reporting to: Director of Cultivation
• Location: On site, 12945 7th Concession, King City, ON, L7B 1K4
• Start date: July 2026
• Vacation: 2 weeks