Outdoor and Gardens A variety of drought-tolerant plants cascade down a 10-foot-wide vertical garden wall near the entrance to the property.  Photo 8 of 14 in A Homeowner Uses Smart Technology to Manage His Napa Property from Anywhere

A Homeowner Uses Smart Technology to Manage His Napa Property from Anywhere8/14

A variety of drought-tolerant plants cascade down a 10-foot-wide vertical garden wall near the entrance to the property.