Banksiae roses, also known as Lady Banks Rose and Tombstone Rose, grow on a vine which can climb up to 20 feet tall. The flowers are white or yellow.
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.
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.
Nasturtium (Tropaeolum) literally translates as nose twister. This ornamental flower is good for the garden because it repels many pests, like bugs and beetles.
North American Tiger Lily
The North American Tiger Lily, Lilium columbianum, can be found in North America in areas such as California, Idaho, Nevada, and southern British Columbia.