Bull Kelp is the ubiquitous giant kelp of the Pacific. It has a long cylindrical stipe that gradually increases in diameter as it grows toward the surface.
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.