Build greenhouses low and sturdy, so that they are less vulnerable to wind. In doing so, choose materials, such as metal, that can withstand wind, fire, or water.
"Fire sprinklers on the inside of the building, for forest fires, don't mean much," one California survior said. Under wildfire threat, dig fire breaks or thin trees as a means of protecting one's property.
If possible, obtain insurance that will replace the entirety of a lost crop. Though few, some insurers will underwrite such policies.
Four dispensaries were destroyed in Hurracaine Maria. (Cannabis Business Times)