Answer: Agapanthus, or Lily of the Nile, is a perennial plant with clumping foliage and tall stems which end in spherical clusters of funnel shaped flowers. To keep plants neat, cut the stems down to just below the clump of foliage when all the flowers are spent. The green pods are seed pods. Seed formation can sap the strength of the plant, so it's best to remove the flowering stem as soon as the flowers are past their prime.
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