E20 | Transition Garden, Granite Post | Ask This Old House

Jenn Nawada shares why she loves hiking and how nature inspires her landscape designs. Then, she helps a homeowner transform a small sun and shade backyard with a new garden; Tom Silva explains the importance of gutter downspouts and how they work; Mark McCullough adds street visibility to a farm by remounting an original farm sign and engraving an 1800s granite post.