[2] Lilium humboldtii grows up to 6 feet (1.8 m) tall, with flowers that are maroon-spotted, golden-orange with dark red splotches, with orange to brown stamens.

The subrhizomatous bulb is large, with yellowish-white scales, and grows very deep in the soil.

It is summer-deciduous, dying back after flowering in mid- to late summer.

For some time afterward, the name was still applied to the southern California Lilium humboldtii subsp.

It prefers dry summer dormancy, with no water after blooming, good drainage, and part shade.