Edgewood is known for its plant diversity and spectacular wildflower displays. Within its 467 acres, Edgewood supports 90 plant families in 9 plant communities. These communities are classified as: non-native grassland, serpentine bunchgrass grassland, chaparral, mixed serpentine chaparral, chamise chaparral, mixed Northern California coastal scrub, oak foothill woodland, mixed hardwood subgroup of the mixed evergreen forest community, and wetlands. In all, there are over 500 plant species at Edgewood, which is an unusually high plant diversity.

This guide takes a closer look at some of the rare and endangered species found at Edgewood, as well as some of the plants that are found in the serpentine grassland plant community.