Endemic to San Luis Obispo County, researchers are finding that these rare, purple native flowers, Cammata Canyon amole, have ...

If you believe Reddit and other online forums, you may hear that the purple flowers in the ditches are NOT invasive species.

The bee balm plant, scientific name Monarda, is about 3 feet tall with clusters of purple flowers on a large disk, similar to the dakota verbena. Dahlinger said bee balm is common in many state ...

The name vitex has its origins in a Roman book ... show from late spring through summer with their beautiful bluish-purple flowers clustered in tall spikes. These trees bloom every year for ...