Almost. It needs to have been exposed to the high temperature before it will germinate. Presumably similar to the cold temp requirements for many deciduous trees to produce blossoms. Germination temperatures are considerably lower. The mechanism assures that the emerging seedlings will have a minimum of competition. >Speaking of germination here is a wild one. The Jack Pine needs >150F for germination. How does it grow in Minn.? Seeds germinate >after a forest fire. --