Balsam Fir: A Tree of Many Uses Fact sheet on balsam fir identification and uses. Balsam Fir Tip Gathering: Fact sheet on gathering balsam fir brush for wreaths. Growing a Continuous Supply of Balsam Fir Wreath Brush: Fact sheet discusses soils, weeding, thinning, fertilizing, pests, and harvesting. Making Balsam Fir Wreaths: Fact sheet includes diagrams