The plant is native to the Inner and Outer North California Coast Ranges, such as the Santa Cruz Mountains, and surrounding the San Francisco Bay Area. It is found between 164–6,562 feet (50–2,000 m) in elevation. It grows in full sun near the coast, and afternoon shade inland.
Iris fernaldii spreads by underground rhizomes. It has leaves that are gray-green with pink, red, or purple coloring along their edges and bases. The plants grow to 1 foot (30 cm) tall
The gray-veined yellow flowers usually grow paired on a stem. The color ranges from creamy white or a rich to pale yellow, and rarely light lavender.
Iris fernaldii is cultivated as an ornamental plant by specialty plant nurseries. It is used in traditional flower beds, native plant and habitat gardens, drought tolerant and natural landscaping, and for habitat restoration projects. Occasional Summer irrigation is needed in warmer climates.
|Wikimedia Commons has media related to Iris fernaldii.|
- Jepson Manual Treatment: Iris fernaldii
- CalFlora Database: Iris fernaldii (Fernald's iris)
- USDA Plants Profile - Iris fernaldii (Fernald's iris)
- Flora of North America
- Iris fernaldii (Fernald's iris) - U.C. Photo Gallery
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