TikTok is a fascinating if exhausting place, with a seemingly endless supply of new videos. Among the deluge are a stream of plant and garden tips packaged up in short, catchy snippets. If it seems like a lot to keep up with, fear not, Aerate is on the case and we’re sharing what we’ve learned. This week, we seemed to come across a lot of information about propagation — maybe its spring fever — so we’re routing you toward new roots.