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From Family Roots to Real Quality – A Story About Growing Slowly

Mentens Tree Nursery and Oenosan®: A Belgian Company With Global Impact

By: REGINE MOTMANS | 08-03-2026 | 4 min read
Voices of the Industry Outdoor Plants Garden Plants
Marielle Mentens at Tree Nursery Mentens

Some businesses you discover. Others you have known almost your entire life.

I have known the Mentens family since 1990. I saw the girls growing up. First among flowers in the shop. Then playing in the garden center. Always surrounded by plants, customers, seasons, and hard work. It was never just business. It was a daily dedication.

Today, Marielle and Bart are leading 'Boomkwekerij Mentens'. Walking through the nursery now feels like watching time take shape. Visiting them made me realize: this is not obvious, this is consistency, this is a goal, the feeling of calm confidence. This is not a place that needs loud words. You see it in the rows, the structure, and the way everything is grown with focus. A nursery where quality is not a promise, it is the daily work.

Growing Up in the Green

When you grow up in a flower shop, you learn something deeper than sales. You learn about care. You learn that customers return when quality is consistent. You learn that good is not loud. It is steady.

Marielle: 

"My parents founded the nursery in 1973. We are the second generation. Passion for the plants and trees is in our blood. And I'm blessed to have my husband by my side, he shares my passion and supports me in everything. Without him this would not be possible. Together we are strong."

 

Marielle and Bart Mentens at the Tree Nursery With Their Son
Marielle Mentens, Bart and their son at the nursery.

 

The founders from Boomkwekerij Mentens: mother and father from Marielle Mentens
The founders from Boomkwekerij Mentens: mother and father from Marielle Mentens.

 

That early foundation shaped the way this family works today. Not everything needs to be reinvented. But everything needs to be done properly. At Mentens, you immediately understand that the result matters. Not just the plant leaving the nursery, but the plant that has to perform after planting. Whether it is for gardens, landscaping, or public green spaces, customers want reliability. They want plants that establish well, look healthy, and keep their value over time.

Marielle: 

“Quality, reliability, and service are not promises here, they are simply the way we grow.”

 

Marielle and Bart at the Nursery
Marielle and Bart at their tree nursery.

 

What Luxury Really Means

We often associate luxury with exclusivity or high prices. But what if luxury simply means really good? Plants that establish well. Trees that are grown without shortcuts. Choices are made for the long term rather than for quick turnover.

That kind of quality takes patience. It takes calm. It takes knowing that your reputation is built season after season. I find that inspiring.

 

Marielle Mentens and her husband Bart at Boomkwekerij Mentens
Marielle Mentens and her husband Bart at 'Boomkwekerij Mentens'.

 

Why Oenosan® Belongs Naturally in This Story - A Broader Way of Thinking

Oenosan® is a Belgian biological product positioned as a supportive tool for plant vitality. In a world where climate pressure and stress moments are increasing, it makes sense that nurseries and growers look for solutions that help plants stay strong without changing the character of how plants are grown.

The introduction of Oenosan® into their activities is something I see as a mindset rather than marketing. It reflects a way of thinking that goes beyond selling a plant. Once a tree leaves the nursery, its story continues. Establishment, stress, climate pressure, and soil conditions are realities today.

Supporting plant vitality is part of understanding responsibility in a changing environment. Not dramatic. Not exaggerated. Just thoughtful.

 

Marielle Mentens and her organice foliar fertilizer Oenosan.
Marielle Mentens and her organice foliar fertilizer Oenosan.

 

The organice powder Oenosan.
Photo by @studio.knns

 

Continuity as Leadership

What strikes me most is continuity. The first generation built something with their hands. The next generation carries it forward with the same respect, but with their own layer of vision.

Marielle: 

“What drives me every day is a deep passion for plants and the responsibility to grow them well. In our nursery, quality, reliability, and service are not something we add on, they are built into the way we work every day. It’s part of our system and our mindset. When you truly care about what you grow, the nursery grows with you.”

In a world that celebrates speed and visibility, there is something powerful about steady growth. About building a name quietly. About focusing on being consistently good instead of temporarily impressive. That is not promotion. It is philosophy.

 

Mentens Tree Nursery With Beautiful Shapes

 

Why This Story Matters

I share this not to highlight a company, but to reflect on something our industry sometimes forgets. Sustainability is not only about materials. Innovation is not only about new products. Leadership is not only about scale. Sometimes it is about continuity. About raising a business the way you raise children. With care. With consistency. With long-term thinking.

Seeing that evolution over more than three decades reminds me that real quality does not need to shout. It simply grows.

 

Mentens Tree Nursery in Winter
Photo by @boomkwekerijmentens

 

FAQ

What is Mentens in Belgium?

Mentens in Belgium is a nursery (tree nursery) focused on growing quality plants and trees for professional and private use. Their approach is centered on consistent cultivation, strong plant material, and reliable performance after planting. They are the first in Belgium to grow BIO-certified trees. If everything goes well, the certificate will be handed over by the end of this year. A process for many years!

What is Oenosan® and why is it used?

Oenosan® is a Belgian biological plant-support product used to help plants maintain vitality and performance. It is typically positioned as a supportive, preventive tool that can be used in growing and establishment phases, especially when plants face stress.

Why does this story matter for growers, landscapers, and green projects today?

Because climate pressure, drought, and stress moments make plant success less predictable. A strong nursery partner, combined with practical plant-support tools, helps improve establishment, perceived quality, and long-term results in gardens, landscaping, and public green spaces.

Regine Motmans profile picture
Regine Motmans

"I'm a mom of three boys named Dennis, Jarne, and Xander. I'm married to Dominic, and my flower studio Floregineel is my place to get creative now and then. My main focus is on Thursd.com and myThursd as their Floral Connector. I love to travel to floral events, connect, create opportunities, and win-wins. And in the process write about the events, promote them in advance, and cover them. I'm good at Socials, I'm a trendsetter, and always looking into the future. 

Flowers make everything more beautiful, but also music. I love to sing and dance. In fact, I love life, I love the sun, I love my family and friends, I enjoy the big but also the little things."

 

 

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