Geography
How Vertical Farming Transforms Peri-Urban Land Use Gradients
Quick fact
Vertical farms can yield up to 350 times more produce per square foot than open-field farming, but they are typically located in peri-urban areas to be close to urban markets and infrastructure, dramatically altering the land use gradient by turning farmland into industrial-like facilities.
Why this is interesting
Imagine a farm that rises 20 stories high, on land that was once farmland or forest. How does planting a skyscraper of crops change the way we think about the edge of a city?
Read the full explanation
Understanding How Vertical Farming Transforms Peri-Urban Land Use Gradients
Peri-urban areas are the transition zones between a city and its rural surroundings. Traditionally, land use here follows a gradient: from intensive urban uses (housing, factories, and services) near the city, to progressively more extensive agricultural and natural uses farther out. This gradient is largely driven by land rent—the cost of land—which is highest near the city center and declines with distance. Crops that need little sunlight or are low-value (like grain) are grown far away, while high-value, perishable produce (like lettuce) is grown closer to cities to reduce transport costs. Vertical farming changes this logic. Instead of spreading horizontally, it stacks plants in layers, using artificial lights, climate control, and hydroponics. This makes land use incredibly intense: a single hectare of vertical farm can produce as much as hundreds of hectares of traditional farmland. Because vertical farms do not depend on soil, sunlight, or open land, they can be placed in peri-urban areas, often in warehouses or repurposed industrial buildings. This means that a peri-urban plot that might have been a tomato field or a pasture can become a multi-story facility, increasing the economic value of the land while reducing the need for large horizontal plots. Thus, vertical farming compresses the traditional land use gradient: instead of a smooth transition from urban to rural, these facilities create a new 'spike' of intense, capital-intensive agriculture at the urban edge.
A deeper explanation
The mechanism at work is the substitution of a land-extensive production function with a land-intensive one, driven by advances in environmental control and robotics. In traditional agriculture, the limiting factor is solar energy captured over a large area. Vertical farms replace this with artificial lighting and precise climate control, which require high capital and energy inputs but allow yields to be independent of weather and season. In peri-urban settings, vertical farms exploit several advantages: proximity to urban labor, logistics, and markets; access to existing infrastructure like electricity and water; and lower land costs than the city center. This changes the bid-rent profile: where a farmer would bid a relatively low price for a large tract of land, a vertical farm operator can bid a higher price per unit area because the intensity of production yields a higher revenue per square foot. As a result, the land use gradient shifts—peri-urban land that would have been used for low-density agriculture may now be converted to industrial-style food production facilities, increasing the economic intensity of the fringe and potentially raising land rents. This can push traditional extensive farming further out, altering the entire gradient. Moreover, vertical farms reduce the need for food transport, as they can be located close to urban consumers, further reshaping the geography of food supply chains. Understanding this transformation is crucial for urban planners and policy-makers, as it affects land use policy, energy grids, and the resilience of urban food systems.