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Why Doesn't My Agapanthus Bloom?

Agapanthus, known as Lily of the Nile, is a summer-flowering perennial bulb. The plant is primarily grown for its globe-shape flowers on tall stalks. When agapanthus does not bloom, the cause is often improper planting or weather conditions.

Features

Agapanthus grows from rhizomes into a mound of long leaves with a tall flower stalk. The stalk, 12 to 60 inches tall, holds a round flower head of trumpet blossoms in blue, white or pink.

Types

Some agapanthus cultivars are evergreen with year-round foliage. Others are deciduous with leaves dying back in autumn.

Planting

Agapanthus fails to bloom when it is root-bound or when it is over-divided with too few rhizomes to support flowering. Replant or repot in organic, well-drained soil.

Exposure

Agapanthus flowers poorly when planted in shade or exposed to cold weather. Plant in full sun and protect from winter weather with mulch or frost covers.

Considerations

Agapanthus needs care after flowering. Water the plant through dry summer weather so that flower buds develop for the following season.

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About the Author

Phyllis Benson is a professional writer and creative artist. Her 25-year background includes work as an editor, syndicated reporter and feature writer for publications including "Journal Plus," "McClatchy Newspapers" and "Sacramento Union." Benson earned her Bachelor of Science degree at California Polytechnic University.