Plants are more
than decoration.
They are part of
the solution.
Work with Ed →
I’m Ed van Paassen
I’m an independent horticultural consultant based in the Netherlands. I help commercial growers and project teams diagnose crop problems, assess irrigation and root-zone conditions, and make practical growing decisions. I work remotely and travel for focused site visits when needed.
Read my story →
Knowledge that works in the real world.
From plant science to practical solutions in the field. Connecting knowledge with real-world impact.
Plants
Understanding how plants grow, adapt and improve our world.
Go to field note →Water
Smart solutions for water storage, irrigation and drought resilience.
Go to field note →Agriculture
Sustainable and productive systems that support people and nature.
Go to field note →Cities
Green cities and healthy living environments for the future.
Go to field note →Selected Projects
WaterCone
Solar drinking water from a simple idea.
Go to practical solution →
Waterboxx
Growing trees with captured rain and dew.
Go to practical solution →
Contour Trenching
Harvesting rainwater. Restoring landscapes.
Go to practical solution →
Green Roofs
Better cities through living roofs.
Go to practical solution →
3–30–300 Rule
More trees. Better health. Better cities.
Go to practical solution →
Pivot Irrigation in Africa
A Field Note on the opportunities and limitations of centre-pivot irrigation.
Go to practical solution →Latest Observations
