One would suspect that the...
One would suspect that the seedlings used in the reforestation of the Douglas Fir would be relatively large. After all, the Douglas Fir is one of the tallest trees, attaining heights of well over 300 feet. (The tallest Douglas Fir ever was measured at 396 feet.) The size of the seedling used to reforest a Douglas Fir patch: four to seven inches! Jesus used the tiny mustard seed that grew into a large bush as a metaphor for the kingdom of God. Maybe for North Americans, especially those in the Pacific Northwest, the Douglas Fir would be a more understandable contemporary example.