Eggplant cultivation at a rooftop urban farm in Paris

Paris, France

Paris Rooftop Urban Farm Optimization

On-site assessment and optimization program for a commercial rooftop urban farm, combining agronomy, production standardization, OPEX reduction and B2B market alignment.

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Services used

Crops

Region

Project overview

Crop Urbanis carried out an on-site assessment of an operating commercial rooftop urban farm in Paris. The farm already had a strong production base, but further growth required better production planning, more consistent product quality, lower unit costs and closer alignment between crop output and recurring B2B demand. The project therefore approached the farm as a complete system combining agronomy, operations, post-harvest and commercial performance.

Challenges & approach

Increase marketable yield and crop rotation speed without compromising product quality.
Improve consistency of leafy greens, herbs, microgreens and edible flowers.
Identify production bottlenecks from sowing through harvest and order preparation.
Reduce labour, input and operating costs per marketable unit.
Improve greenhouse microclimate, hygiene and integrated pest management.
Standardize crop, harvest, post-harvest and quality-control procedures.
Align production planning with recurring restaurant and B2B demand.
Develop commercially viable new products and revenue channels.

Our contribution

Conducted an on-site agronomic and operational assessment of the rooftop farm.
Reviewed crop performance, production cycles and product consistency across key crops.
Mapped production bottlenecks from sowing and cultivation through harvest and order preparation.
Assessed labour efficiency, production inputs, crop economics and opportunities to reduce OPEX.
Reviewed greenhouse microclimate, hygiene practices, crop-health risks and IPM strategy.
Defined priorities for crop protocols, SOPs, post-harvest handling and quality control.
Connected production planning with restaurant demand, B2B customer segments and recurring orders.
Developed a structured optimization roadmap covering agronomy, operations, new products and commercial growth.

Outcomes & proof

Metric	Result	Context
On-site farm assessment	Completed	Production workflows, crop performance, greenhouse conditions, IPM, post-harvest processes and commercial alignment were reviewed on site in Paris.
Optimization roadmap	Developed	A structured improvement plan was prepared covering crop management, production standardization, OPEX, microclimate, SOPs and B2B development.
Priority improvement areas	8 areas identified	Priorities were defined across yield, crop consistency, production bottlenecks, costs, microclimate, standardization, B2B planning and new revenue opportunities.

Project gallery

Bar and café area overlooking a rooftop urban farm in Paris — Hospitality and dining space integrated directly into the rooftop urban farming environment

Interior of the main greenhouse at a commercial rooftop urban farm in Paris — Main greenhouse reviewed during the Crop Urbanis on-site production and agronomy assessment

Greenhouse shading and protective screens for climate management at a rooftop farm — Protective screening and shading systems used to manage solar radiation and greenhouse growing conditions

Microgreens cultivation at a commercial rooftop urban farm in Paris — Microgreens production reviewed for crop consistency, production efficiency and commercial quality

Hydroponic fertilizers and nutrient inputs used for crop production in Paris — Nutrient inputs reviewed as part of the fertigation and crop management assessment

Experimental tomato cultivation in an NFT hydroponic system at a rooftop farm in Paris — Tomato plants grown in an experimental NFT setup to evaluate alternative hydroponic production methods

Lemon balm cultivation in an NFT hydroponic system with an extended growing cycle — Lemon balm maintained in NFT hydroponics during an extended production cycle

Open-air vegetable cultivation under natural sunlight on a rooftop urban farm in Paris — Open-air rooftop growing area combining natural sunlight with commercial vegetable production