The Calendula plant is in the daisy family and it typically blooms in yellow, orange, or gold color. Native to Asia, Europe, the Mediterranean, and Macaronesia.
The California poppy (Eschscholzia californica) is the official flower of the State of California. The USDA website states that this flower can be invasive.
The Calla lily (Zantedeschia aethiopica) is a white flower also known as the Easter lily or Lily of the Nile. This flower likes to grow by streams and ponds.
Calypso Orchid is a member of the Lily family. The wild Lady Slipper of the Pacific region, Calypso bulbosa, has a single bright pink flower on a leafless stem.
Cosmos are a perennial flowering plant of the family Asteraceae. The colors vary greatly between the different species, from whites, to pinks, to oranges.
Douglas Iris (Iris douglasiana) is a member of the showy Iris family that blooms from February to April along the coastline slopes of California and Oregon.
Fennel is a tall, yellow flowering perennial plant native to the Mediterranean. This hardy plant has become common elsewhere in the world, liking coastal soils.
Foxglove is a flowering shrub most commonly purple, pink, white or yellow. They contain an antiarrhythmic agent that is an ingredient in heart medicine.
Indian Paintbrush, or Applegate's Paintbrush (Castillaeja applegatei), is a red, five-petaled, two-lipped, sprout like flower on coastal headlands in spring.