The Panther Lily of California is one of the easiest to grow, and certainly among the most beautiful, American wood lilies. Several bulbs with numerous yellowish, brittle and jointed scales grow from the thick and branching rhizomes. Thereaches 4 feet-6 feet 6 inches, bears lanceolate in whorls. The scentless Turk’s Cap , 2 inches in diameter, are borne on long, elegant, upward-spreading pedicels, and are of shiny orange-red with carmine tips and mottled in red-brown towards the centre; strongly reflexed. Nectary furrows are green, pollen is orange, the flowering period July, and the germination slow.
Only L. harrisiantun (L. pardalinum var. giganteum) has a more brilliant colour. L. pardalinum requires damp, limefree soils, full sun, and protection from wind. This is a most variable species, and grows in northern California, southern Oregon and the coastal areas from Humboldt
county to San Diego County. Cross-fertilization with L. parvum, L. parryi and L. humboldtii is possible, (NALS-LYB 1952)