Long before Jennifer Lemcke was leading Weed Man, she was learning the lawn care business from the ground up.
Her journey with the Canada-based franchise began 40 years ago, when her father, Roger Mongeon, purchased a single-territory Weed Man franchise in 1986. Within a decade, Mongeon had grown into the brand’s largest multi-unit operator, and Lemcke began to gain valuable experience as a franchisee within the system.
In 1996, her father’s company acquired the rights to expand Weed Man into the United States, and Lemcke joined the operation to help lead the brand’s U.S. growth. In 2018, they purchased the worldwide rights to Weed Man. By 2020, Lemcke had stepped into the CEO role, bringing with her the rare perspective of someone who had experienced the business from nearly every angle: employee, franchisee and now franchisor.
Since then, Weed Man has grown from $173 million to over $426 million in systemwide sales and counting. Lemcke is now leading the brand toward an even larger goal: becoming a $1 billion company that sets the standard for excellence in lawn care.
Leading with Boots-on-the-Ground Roots
Throughout her career, Lemcke has worked across nearly every part of the Weed Man system, from marketing and administration to field operations. She’s experienced the business from both the franchisee and franchisor sides. That range of knowledge shaped the way she leads today, giving her a practical understanding of the decisions, challenges and day-to-day realities that exist at both the local and systemwide level.
That perspective is also reflected across Weed Man’s head office where most team members have firsthand experience working at the franchise level. As the brand has grown, that operational background has helped shape a support model rooted in real-world experience and a shared understanding of the business.
Lemcke’s philosophy is grounded in servant leadership and the belief that growth at the franchisor level is only possible when franchisees are positioned to grow at the unit level. As Weed Man continues to scale, franchisee success remains the central focus, and investing in the people behind the brand serves as the foundation for its next chapter.
Scaling a Legacy Brand with a Clear Vision
Scaling with purpose has always been central to Lemcke’s vision for Weed Man. Early in her career, she saw firsthand what strategic growth could look like at the unit level, growing her Ottawa franchise from $240,000 upon acquiring it to over $2 million over the course of six years.
She carried that same growth mindset into Weed Man’s U.S. launch and later into her leadership of the broader system. Today, Weed Man has become the fastest-growing franchised lawn care company in North America, with nearly 1,000 territories across the US and Canada.
That systemwide growth has been driven in part by strategic mergers and acquisitions, which have helped create larger, more robust franchise groups capable of delivering consistent service and operational excellence across markets. The brand has also made significant investments in operational support, marketing and technology, all designed to help franchisees scale while maintaining the brand’s reputation for high-quality service.
At the unit-level, that growth mindset is reinforced through a culture of friendly competition. When franchisees can see where they stand, how other markets are performing and what is possible within the system, it creates motivation and accountability. That culture of “keeping score” helps owners continue improving while reinforcing the shared pursuit of excellence across the brand.
Lemcke’s overarching vision is for Weed Man to become a $1 billion company. But even as the brand grows, the philosophy behind the business remains simple: every call, every visit, and every conversation starts with one person, one truck and a commitment to providing exceptional care.
Modernizing Without Losing the Culture
For a service brand founded in 1970, modernization is essential. Customer expectations have changed, marketing has evolved and technology is reshaping how service businesses operate. Legacy brands like Weed Man face the challenge of adapting to those changes while preserving the relationships and values that have defined the brand for decades.
Under Lemcke’s leadership, Weed Man is undergoing a period of digital transformation. The company is standardizing how it does business, transforming its technologies and modernizing its data so it can stay competitive across digital and traditional marketing, technology, automation and AI.
That type of transformation can be challenging in any franchise system, particularly one with a long history and a deeply established culture. For Lemcke, the key is making sure change is always tied back to franchisee success. New systems, tools and processes are not introduced simply for the sake of modernization, but to help owners operate more efficiently, serve customers more effectively and build stronger businesses.
Even as Weed Man expands, the system remains a tight-knit network. Franchisees support one another, celebrate wins together and share knowledge across markets. That culture has become a competitive advantage, helping the brand maintain alignment through periods of growth and change.
Widening the Path for Future Leaders
Lemcke’s leadership has also been shaped by her experience as a woman in a historically male-dominated industry. Early in her career, she was often the only woman in the room. Even as she rose from committee member to board member to executive leadership, she encountered moments where she was delegated administrative tasks rather than immediately recognized as a strategic voice.
Instead of allowing those experiences to limit her, Lemcke used them as motivation. Her father advised her to listen closely, identify gaps and become the person who could solve them. That advice became a cornerstone of her leadership style today.
Today, Lemcke is proud to see more women emerging across the green industry and within the Weed Man system, including franchise owners, employees, corporate leaders and lawn technicians. Her own path from operator to CEO demonstrates what is possible when experience, persistence and opportunity intersect.
For Lemcke, the path forward is about honoring Weed Man’s legacy while building the infrastructure needed for its next era. Her journey reflects the same principle guiding Weed Man’s growth today: sustainable success starts with people who understand the work, believe in the vision and are committed to building something lasting together.