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How to Grow African lily (Blue African lily, Lily-of-the-nile plant)

The common names for the Half Hardy perennial Agapanthus include African Lily, Blue African lily and lily of the nile.

They typically flower in the summer.

Description of the African lily and Lily of the Nile

Agapanthus plants can have stalks from 60 to 120cm in height. The African lily has funnel shaped white or blue flowers, and thick strap like leaves.

Agapanthus
J.S. Peterson @ USDA-NRCS PLANTS Database

Agapanthus Blue Giant
Agapanthus blue giant photograph by IrisDragon

Quick Agapanthus Plant Growing and Care Guide

  • Common Names: African Lily, Lily of the Nile Plant, Blue Lily.
  • Main Species: Agapanthus africanus; Agapanthus campanulatus; Agapanthus caulescens; Agapanthus coddii; Agapanthus inapertus; and Agapanthus praecox.
  • Cultivars: There are hundreds of Agapanthus cultivars and hybrids available, examples include 'Albovittatus', 'Bressingham White', 'Liliput', 'Loch Hope', 'Northern Star', 'Purple Cloud', and the Agapanthus Headbourne hybrids.
  • Life Cycle: Hardy perennial.
  • Height: 24 to 48 inches (60—120 cm).
  • Native: Southern Africa.
  • Growing Region: Zones 8 to 10, grow in containers in cooler areas.
  • Flowers: Summer.
  • Flower Details: Blue, purple, white. Funnel-shaped. Pseudo umbel of up to 100 tiny florets.
  • Foliage: Herbaceous. Monocot. Basal leaves. Linear/strap-like, curved. Up to 24 inches (60 cm) in length.
  • Grow Outside::
    Seeds: Cover seed. Following the last frost. Seed grown plants typically take four years to first bloom.
    Bulbs: 2 inches (5 cm). Pointy end up. Cover with soil and then firm it. Plant Agapanthus bulbs in the spring once the temperature has reached 55°F (13°C). As bulbs will not start to grow until they reach this temperature they may be subject to rot if planted too early.
  • Sow Inside: Germination time: three weeks to three months. Temperature: 60 to 70°F (15—21°C). Space at 18 to 24 inches (45—60 cm).
  • Requirements and care: Full sunlight for best results, or partial shade (Do not plant new crowns in the shade). Good drainage (drainage can be improved by adding sand or rotted manure). Moist soil. Regular watering. Fertilize once a fortnight. Deadhead to encourage longer blooming. Once blooming has finished do not cut back foliage and provide light watering. Yellow, decaying foliage can be removed when it appears. Use a dry mulch (straw/sand) or in colder areas, lift bulbs from containers, trenches before the first frost and bring inside, store in trays of dry sand in an area that is free of frost.
  • Miscellaneous: Named after the Greek words for love (agape) and flower (anthos). Invasive species in many areas, considered a weed in New Zealand.

Growing Agapanthus: How to Grow Blue African lilies and Lily of the Nile Plants

It is best to sow African Lilies and Lily of the Nile Plant seeds just below the soil surface (bulbs at a deoth of 5 cm), with a spacing of 45 to 60 cm after the last frost of spring.



African lilies prefer light shade or full sunlight. The soil should be well drained and moist. Agapanthus species require between 20 days and 90 days to germinate. If first growing Agapanthus indoors then they should be sown in an area that is at a temperature of 15 to 21 degrees centigrade.

Agapanthus praecox
Agapanthus - Lily of The Nile Plant by Sue Hasker

Agapanthus care: Caring for Blue african lilies in the garden

Agapanthus care is pretty easy as the Lily of the Nile Plant and Blue African lilies are fairly easy to care for, they require regular watering and should be fertilised every couple of weeks whilst growing. When grown from seed African lilies may take as long as 4 years of growth before they flower. The plants should be deadheaded, to maintain yearly healthy blooming.

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