Exploring Nature in the San Francisco Bay Area

The Presidio’s Miracle Manzanita

A construction site along one of San Francisco’s busiest thoroughfares hardly seems like a good spot to find one of our region’s rarest plants. But that’s just where a passing biologist saw a manzanita thought extinct for decades. And now a whole lot of people are trying to make sure this lone survivor isn’t the last Franciscan manzanita.

Mulch Madness

Google "mulch" and you'll find university websites from Alaska to Florida touting mulch as one of the most environmentally friendly and effective tools for improving a backyard garden. But that mulch keeps native bees from digging their nests...