A greenhouse can be used to grow healthy food year-round, mostly unaffected by food and supply shortages as long as the gardener is prepared. Greenhouses can absolutely be a safety net in times of food shortages and uncertain supply in grocery stores. While it can't grow meat or grain products, it can still grow fresh produce and herbs to use for hearty and healthy meals.
A greenhouse has the potential to create a lot of produce sustainably for years if kept up with. Absolute protection and food supply guarantee is unsteady when it comes to grocery stores, especially with the pandemic and war in Ukraine threatening their intake. But with a greenhouse managed by a singular household, the food stability is there.
