Greenhouses are buildings or structures where plants are grown and they range in size from small sheds to industrial-sized buildings. They are another area in agriculture where LPG provides vital solutions.

The most notable application is in space heating where LPG greenhouse heaters provide the necessary heat and humidity that aid crop development and also prevent crop damage during winter months.

An added advantage is the production of CO₂ which can be repurposed to stimulate photosynthetic processes for the housed crops.

LPG is also extensively used in weed control applications.