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Clarkia purpurea is a species of wildflower in the Onagraceae (Evening Primrose) family known by the common names Winecup Clarkia, Winecup Fairyfan, and Purple Clarkia. This plant is native to western North America where it is found in a variety of habitats. Within California it is very widespread, occurring all along the coast, in the Coast Ranges, Central Valley and Sierra foothills. There are three subspecies with differences in the flower color and with overlapping ranges. This plant erects a thin reddish stem which may approach a meter in height and has a few lance-shaped leaves. The bowl-shaped flowers have four petals usually one to two centimeters long and in shades of pink, purple, or deep wine red, often with a streak or spot of pink or red in the middle. In the garden it is almost always grown from seed and is included in many commercially available wildflower seed mixes.

The Douglas Iris (Iris douglasiana) is a common and attractive wildflower of the coastal regions of Northern and Central California and Southern Oregon, with scattered locations inland. The Douglas Iris grows mainly at lower elevations, below 330 feet, though it is occasionally found at heights of up to 3,300 feet.

It is most common in grasslands near the coast; it is regarded as a noxious weed in pastures, because it forms clumps that inhibit other vegetation, and its leaves are bitter and unpalatable to cattle.

Douglas Iris prefers part or full shade and richer soils and is fast growing near the coast. If not planted next to a creek or in a naturally wet area, it likes summer water every 2 to 4 weeks. It is more drought tolerant near the coast where it benefits from cooler temperatures and fog. The flowers can be highly variable in color, and many cultivars are available.