Fir tree bonsai requires regular fertilization during the growing season. Use a balanced fertilizer such as 10-10-10 or 12-12-12, and apply it once a month. During the dormant season, reduce ...

but Adam was fascinated by the way this one had used a submerged Douglas fir stump as a nurse log. ‘To me, the little tree looked as though it had been nurtured by a bonsai master.’ Adam focused in on ...