Desert Marigold.
Baileya multiradiata, Sunflower Family, ( Compositae ), Desert Marigold. Also called: Paper Daisy or Wild Marigold, Desert Marigold, Desert Baileya.

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Desert Marigold, either fresh or dried, is poisonous to sheep and goats, but not to horses or cattle.

Quick Notes:

Height: Up To About 1/2 to 1 feet tall.

Flowers: Yellow flower heads are 1 to 1 3/4 inches across, with 20 to 50 bright yellow ray flowers ("petals"). These do not drop off, but are persistent and become faded, papery, and turned downward in age. The flower heads are mostly borne singly at the tips of the stems and branches on long naked stalks, 4 to 8 inches long. Each head produces at least 100 achenes, which are rodshaped, about 1/8 inch long, light brown, with many longitudinal nerves on the surface.

Flowering Time: Mid March - November.

Leaves: Soft, woolly leaves are alternate, clustered largely at the base of the plant and divided into irregular close set lobes, or some are divided again. The upper leaves are few lobed, or may be narrow and smooth edged.

Found: Native to the Mojave and Sonoran Deserts of California, the Southwestern United States, and northwestern Mexico. Found throughout lower elevations in Arizona.

Hardiness:
USDA Zone 7a: to -17.7 �C (0 �F)
USDA Zone 7b: to -14.9 �C (5 �F)
USDA Zone 8a: to -12.2 �C (10 �F)
USDA Zone 8b: to -9.4 �C (15 �F)
USDA Zone 9a: to -6.6 �C (20 �F)
USDA Zone 9b: to -3.8 �C (25 �F)
USDA Zone 10a: to -1.1 �C (30 �F)
USDA Zone 10b: to 1.7 �C (35 �F)

Soil pH requirements:
6.6 to 7.5 (neutral)
7.6 to 7.8 (mildly alkaline)
7.9 to 8.5 (alkaline)

Sun Exposure:
Full Sun
Part Shade

Elevation: 0 to 5,000 feet.

Habitat: Dry, well-drained sandy, gravelly, and rocky soils on upper bajadas and moderate slopes in the lower mountains. A most attractive and abundant plant along roadsides, plains, and mesas. An ideal xeriscape landscape plant in Arizona.

Miscellaneous: Flowering Photos Taken April 29, 2003. Near Lake Pleasant, Arizona.