This wildflower is native to Baja California and California from the San Francisco Bay Area south.

It is found in chaparral and woodlands and other habitats.

Delphinium parryi may approach 1 metre (3.3 ft) in maximum height.

The inflorescence holds a few to over 60 flowers on long pedicels.

The sepals and petals are deep purple to light blue, with the upper petals often white.