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Rain lilies take their name from their habit of blooming several times a season, usually following a rain. The flowers face upward, much like crocuses. They are delightful in rock gardens and naturalized in grass, and are easy to grow as house plants. Plants grow to a height of 8-12 inches.
In Zones 7-10 rain lilies can be planted in fall and left in the garden through over winter. From Zone 6 north, plant the bulbs in spring, dig in the fall and store over winter in dry peat moss, perlite or vermiculite. Plant the bulbs and 3 inches apart and 1 to 2 inches deep in full sun.
They do well in containers outdoors, but not as houseplants. Keep the soil moist moist and feed monthly with a slow-release fertilizer throughout the summer. When the leaves wither, withhold water and food, then store in a dry cool place for winter.
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