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Genus Zephyranthes (Rainflower, Rain lily, Zephyr lily)

Zephyranthes Zephyranthes reginae Photo/Illustration: Jenks Farmer
Common Name: Rainflower, Rain lily, Zephyr lily
These 70 species of bulbous perennials often flower a few days after a rainstorm. They are native to the grasslands of the Americas. Their white, yellow, pink, or red star-shaped flowers look like crocuses and are funnel-shaped to tubular and erect. Rain lilies can be grown in a rock garden or a sunny border, or in a cool greenhouse or alpine house.
 Noteworthy characteristics: White, yellow, pink, or red flowers that resemble crocuses. They often bloom a few days after a rainstorm. 
 Care: In the garden, grow in moist but well-drained soil in full sun. Will not tolerate excessive winter moisture. In the greenhouse, grow in full light and water freely during growth. Keep just moist in winter.
 Propagation: As soon as seeds are ripe, sow at 55° to 64°F. Separate offsets in spring.
 Problems: Infrequent.

Species, varieties and cultivars for genus Zephyranthes

Zephyranthes reginae Zephyranthes reginae
(Rain lily, Rainflower, Valles yellow rain lily, Zephyr lily) Be the first to rate this plant
Hardiness Zones: 1 2 3 4 5 6 7 8 9 10 11

These Mexican native bulbs actually offer demanding gardeners flowers on demand. They produce strappy foliage to 12 inches tall and clusters of buttery-yellow, starry, crocus-like blossoms two to three days after every rain in summer and early autumn. Or, if it doesn't rain, simply water and fertilize three days prior to your intended display, and the moisture will prompt the flowers to appear, hence the common name, rainflower. These bulbs are widely adaptable to diverse soil conditions, and may be grown in full sun to partial shade, but they prefer some shade.