Thornhill, On Horticulture Jobs – 45 Openings This Week

Part Time Technical Cultivation Associate
Haven Greens —King City, ON
- $21–$25 an hour
- Part-time
- Bachelor's
- In-person
- Dental care
Quick apply
Lawn Maintenance Crew Members
Ground-Control.ca Ltd —Toronto, ON
- $18–$25 an hour
- Part-time
- Power tools
- Construction experience
- In-person
Quick apply
Bucket operator/Crew leader
Asplundh Canada ULC —Greater Toronto Area, ON
- From $25.35 an hour
- 8 hour shift
- CPR Certification
- No experience needed
- First Aid Certification
- Dental care
- Vision care
Quick apply
Arborist Climber
The Davey Tree Expert Company —Downsview, ON
- $21–$27 an hour
- Full-time
- Heavy lifting
Quick apply
Master Grower – Controlled Environment Raspberry Production
Toronto Metropolitan University —Toronto, ON
- $80,000 a year
- Full-time
- System design
- Travel
Major Account Manager - Horticulture
Premier Tech —Markham, ON
- Full-time
- Sales
- Negotiation
Quick apply
Horticultural Technician (Plant Production – Controlled Environment Agriculture)
Toronto Metropolitan University —Toronto, ON
- $50,000 a year
- Full-time
- Bachelor's
Landscape Laborer (Year-Round)
ISR GARDENING —Thornhill, ON
- $20–$24 an hour
- Full-time
- Power tools
- Construction experience
- In-person
Quick apply
5d
Garden Labourer
Toronto and Region Conservation Authority (TRCA) —North York, ON
- $24.73–$28.67 an hour
- Temporary
- Up to 50% travel
- Travel
6d
Entry-Level Property Caretaker – Litter Pickup and Garbage Cleaning
Keystone Project Partners Corp —Greater Toronto Area, ON
- $20 an hour
- Full-time
- Maintenance
- Power tools
- Construction experience
Quick apply
2d
Production Assistant TO (landscaping/horticulture/artist)
ByNature —North York, ON
- $19 an hour
- Full-time
Quick apply
12d
F/W 26/27 - Urban Agriculture Assistant - Maloca Gardens (Urban Agriculture Assistant)
York University —Toronto, ON
- $17.60–$18.00 an hour
- Bachelor's
Retail Sales Associate
Craventure Foods —Toronto, ON
- $17.20–$27.99 an hour
- Full-time
- Hybrid work
- Sales
- Customer service
- English
- Flexible schedule
Quick apply
Exterior Plant Care Specialist- Seasonal
Rentokil Initial —Toronto, ON
- $21–$24 a year
- Seasonal
- Customer service
- Hotel
- High school diploma or GED
Quick apply
Landscape labourer
Earth and Sole —Toronto, ON
- $23–$27 an hour
- Part-time
- Heavy lifting
- Power tools
- Construction experience
Quick apply
Pool helper technician
Pool Guy Mechanical Services Inc —Greater Toronto Area, ON
- $20 an hour
- Seasonal
- Power tools
- Construction experience
- Hand tools
Quick apply
Landscape/Renovation Foreman
GCS Construction —Greater Toronto Area, ON
- $23–$35 an hour
- Part-time
- Supervising experience
- Construction experience
- Leadership
Quick apply
1d
Landscape Foreman/woman
Fern Ridge Eco-Landscapes —Greater Toronto Area, ON
- $27–$40 an hour
- Full-time
- Supervising experience
- Construction experience
- Leadership
Quick apply
4d
Swimming pool maintenance
Peel Pool and Spa —Greater Toronto Area, ON
- $20.00–$31.80 an hour
- Full-time
- Heavy lifting
- Organizational skills
- Power tools
Quick apply
9d
Landscaping Labourer
J.E. Landscape Design —North York, ON
- $20.00–$30.75 an hour
- Temporary
- Heavy lifting
- Power tools
- Construction experience
Quick apply
6d

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horticulture jobs near thornhill, on

Part Time Technical Cultivation Associate

Haven Greens
King City, ON

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Job details

Part-time
$21–$25 an hour

Qualifications

Horticulture
Bachelor's
Agriculture
Food safety

Full job description

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

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Refine Your Search

horticulture jobs in thornhill, on

Part Time Technical Cultivation Associate

Lawn Maintenance Crew Members

Bucket operator/Crew leader

Arborist Climber

Master Grower – Controlled Environment Raspberry Production

Major Account Manager - Horticulture

Horticultural Technician (Plant Production – Controlled Environment Agriculture)

Landscape Laborer (Year-Round)

Garden Labourer

Entry-Level Property Caretaker – Litter Pickup and Garbage Cleaning

Production Assistant TO (landscaping/horticulture/artist)

F/W 26/27 - Urban Agriculture Assistant - Maloca Gardens (Urban Agriculture Assistant)

Retail Sales Associate

Exterior Plant Care Specialist- Seasonal

Landscape labourer

Pool helper technician

Landscape/Renovation Foreman

Landscape Foreman/woman

Swimming pool maintenance

Landscaping Labourer

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