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ABOUT

Growing Excellence

Our commitment is to produce high-quality, productive young plants while maintaining the highest standards in biosecurity.

North America's leading provider of young plants for greenhouse growers.

Ontario Plants specializes in growing and distributing high-quality, productive young plants to greenhouse growers across North America. Our two high-tech facilities prioritize world-class biosecurity and sustainability, ensuring that each year more than 60 million young plants thrive to supply consumers with nutritious, flavourful produce like tomatoes, cucumbers, bell peppers, strawberries, and raspberries.

We are dedicated to being a trusted partner for greenhouse growers and a positive force in fostering a more productive, resilient, and sustainable food system. As part of COFRA Holding’s Sustainable Food Group, Ontario Plants contributes to the growth of Controlled Environment Agriculture (CEA), striving for long-term partnerships, investment in cutting-edge technology, biosecurity, and sustainability.

FACTS AND FIGURES

60m+

young plants delivered annually

49 acres

of growing space across two sites in Ontario, Canada

2002

founding year

Where We Grow

Ontario Plants operates under 49 acres of glass across two locations, Glencoe and St. Thomas, with 36 more acres of state-of-the-art greenhouses under development.

Glencoe

The Glencoe greenhouse, launched in late 2024, is a 13-acre facility that grows high-quality, productive young plants using the latest in growing techniques, emphasizing biosecurity, quality assurance, and sustainability.

13 acre

Greenhouse area

6 acre

Solar installation (launching in 2025)

2,800

Hybrid LED/HPS lights

45m liter

Pond, recycling over 90% of rooftop water

St. Thomas

The 36-acre St. Thomas greenhouse follows strict biosecurity and quality protocols to grow high-quality, productive young plants.

36 acre

Greenhouse area

25 acres

Outdoor propagation fields

8,000

Hybrid LED/HPS lights

41m liter

Pond recycling around 90% of rooftop water

What We Grow

Tomatoes
Cucumbers
Bell peppers
Strawberries
Raspberries

Leadership

Mathieu van de Sande
Mathieu van de Sande
President & CEO
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Mathieu van de Sande
Mathieu van de Sande
President & CEO

Mathieu brings more than 20 years of leadership in Controlled Environment Agriculture to his role as President and CEO of Ontario Plants. His career has taken him from the Netherlands to North America, giving him both a global perspective and a practical understanding of what growers and clients need to succeed.

Before joining Ontario Plants, Mathieu served as Head of Business Development for a leading innovator in indoor farming, where he helped scale the business through partnerships and joint ventures. Earlier in his career, he held senior commercial roles within the horticultural sector in the United States and Europe, building strong client relationships and driving long-term growth across the industry.

At Ontario Plants, Mathieu sets the strategic direction for North America’s leading propagator of young plants. Under his leadership, Ontario Plants continues to expand its facilities, invest in innovation, and strengthen its role as a trusted partner to growers.

A third-generation greenhouse grower, Mathieu grew up in the industry and understands both the discipline of the family business and the opportunities of modern horticulture. He combines this foundation with a focus on innovation and partnerships, driving Ontario Plants’ long-term growth and shaping the future of sustainable propagation.

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Laurent Mareschal
Laurent Mareschal
Chief Financial Officer
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Laurent Mareschal
Laurent Mareschal
Chief Financial Officer

Laurent Mareschal is an accomplished financial executive with more than 25 years of cross-functional leadership in finance, mergers and acquisitions, operations, and technology. His career spans industries including banking, venture capital, consumer products, and agriculture, giving him a unique perspective on growth opportunities and challenges. Before joining Ontario Plants in 2025, he held senior roles at Scotiabank—including CFO and Head of Strategy for Canadian Banking, where he managed one of the bank’s largest balance sheets and supported the acquisition of Tangerine Bank. He later served as CFO at The Group Ventures, a Toronto-based investment firm, and at TruLeaf, an indoor farming company, where he secured significant equity and debt financing to drive rapid scaling in a complex emerging industry.

At Ontario Plants, Laurent oversees all financial operations with a focus on creating transparency, enabling data-driven decision making, and supporting long-term growth. He works closely with colleagues across the company to optimize capacity, strengthen financial frameworks, and ensure the business is positioned for expansion through innovation, client partnerships, and potential acquisitions.

Laurent believes strong financial stewardship is about more than numbers. He is committed to building resilient systems that support sustainability, create value for clients, and empower teams to thrive. His balanced approach ensures Ontario Plants remains financially sound while advancing its role as a trusted partner to growers across North America.

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Remco Hill
Remco Hill
Chief Operating Officer
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Remco Hill
Remco Hill
Chief Operating Officer

Remco Hill brings more than 30 years of horticultural experience to his role as Chief Operating Officer at Ontario Plants. Over the course of his career, he has been both a senior leader and an owner-operator, giving him a unique perspective on the industry. His work has spanned nearly every part of the horticultural chain, from supplying starter materials and developing international trade to leading commercial teams and guiding organizational change. This breadth of experience provides him with both a global outlook and a keen eye for operational detail.

 

At Ontario Plants, Remco oversees operations across both facilities, leading the growing, operations, and maintenance teams. In this role, his experiences come together as he champions data-driven, scalable solutions that improve efficiency and support sustainable growth. With biosecurity at the core of every decision, he is committed to reducing environmental impact while delivering consistent, high-quality seedlings for growers across North America. Known for his connecting leadership style, Remco is passionate about building strong teams that help clients succeed.

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Pieter van Dijk
Pieter van Dijk
Chief Technology and Innovation Officer
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Pieter van Dijk
Pieter van Dijk
Chief Technology and Innovation Officer

Pieter van Dijk is the Chief Technology and Innovation Officer at Ontario Plants. With 27 years of experience in the greenhouse industry, including as the owner-operator of a large-scale tomato production greenhouse in the Netherlands, Pieter has an in-depth understanding of the needs of Ontario Plants’ customers. Prior to joining Ontario Plants in early 2020, he served as Head Grower at the largest vegetable plant propagation company in the Netherlands. Pieter brings extensive experience in greenhouse operations, a global network of subject matter experts, and a strong focus on driving technological advancements and innovation to support the company’s continued growth.

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Anna Blonski
Anna Blonski
Executive Assistant
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Anna Blonski
Anna Blonski
Executive Assistant

Anna Blonski is the Executive Assistant to the President & CEO at Ontario Plants, providing dedicated support to the company’s C-suite team. With more than 15 years of experience in academic, corporate, and non-profit settings, she helps coordinate projects, priorities, and day-to-day operations with care and attention to detail.

Anna values collaboration and enjoys helping teams work smoothly together, whether through executive support or initiatives that strengthen workplace culture. She takes pride in contributing to Ontario Plants’ mission of Growing Excellence by ensuring both people and processes are well supported.

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Our Purpose

Our purpose is to empower our customers by delivering the highest quality plants and innovative solutions tailored to their specific needs.

Our success depends on our customers' success, and we are committed to building long-lasting partnerships founded on trust, collaboration, and mutual growth. By pursuing excellence in every area of our work, from plant propagation to customer service, we help foster sustainable growth for our customers and contribute to the horticulture industry's advancement.

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