Free is good. So, we rooted out some free plants for you! Get a plant at the Mini Plant Giveaway from STUMP. But plant yourself in line early: First come, first serve, one plant per person. Sponsored by PECO, as part of the PECO Pop-Ups at The Porch summer series. As noted: Free, noon to 1 p.m., The Porch, 30th Street Station, 2955 Market St., burbio.com or peco.com.