By Jan Holland Hailey An olla buried in a large washtub of zinnia plants provides deep moisture support. Photo by Jan Holland Hailey An olla [oy-yah], Spanish for “pot”, is a low-fired, unglazed and porous clay pot or vessel used since ancient times in gardening. When filled with water, it provides a slow release of moisture into the soil as an alternative or supplemental watering system. Ollas are believed to have originated in China or North Africa between 2000 and 4000 yea

by Monica Coplea Sacred Datura opens its large, showy flowers in the late afternoon and evening, and is often pollinated by sphinx moths. Photo courtesy of Monica Coplea Night gardens are made up of plants that bloom and attract pollinators after dark. And no, they have nothing to do with “night soil”—that’s a whole other topic! We often hear about conserving daytime pollinators like bees, but pollination doesn’t stop when the sun goes down. Nearly two-thirds of flowering pl