In Utah, there are two times a year when overseeding is most successful: spring and late summer fall. Late summer fall is best because the seedlings can establish adequate root systems for the following Plant Profile: Bromeliad The Balcony Garden Best Grow Lights for Bonsai Trees Houseplant Chunky Potting Mix, 2 Quarts by Sol Soils Air Plant Care 101: How to Not Kill Your Tillandsia ~ Homestead and Chill