How to Grow Agapanthus africanus Plants in your Garden

Gardener's HQ Guide to Growing African Lily in the Garden

The African lily flower makes for a fantastic looking border plants and are also great for growing in containers.

They typically reach about 45 to 60 cm (18 to 24 inches) in height, and have a similar spread. Plants have a bushy habit.

African Lilies in a Garden

African Lilies in a Garden photograph by Jusotil_1943; CC.

These plants are native to South Africa, are sun loving, and enjoy afternoon shade

African liles are members of the Agapanthus plant genus and the Amaryllidaceae famlily (so are closely related to Asparagus.

African lily
Agapanto azul (Agapanthus africanus photograph by mauroguanandi.

Plants typically have their bloom time in early and mid-summer, with attractive showy large blue flowers (some cultivars may have white flowers). Leaves are evergreen.

Can easily be grown outdoors in full sun in USDA zones 8 to 10, UK hardiness zone H3. This makes these tender perennials hardy to about -4°C (25°F).

Agapanthus africanus variety albus

Albus variety of the Agapanthus africanus plant photograph by 阿橋 HQ ; CC.

Outside these regions, grow in pots and bring these sun loving plants indoors when the weather begins to cool.

Iideally bring in before freezing temperatures are reached.

plants are easily grown from bulbs: plant at a depth of 1.25 cm (1/2 inch) in a moist soil. Fertilize container grown African lilies regularly but moderately

Agapanthus africanus Growing and Care Guide

  • Scientific Name: Agapanthus africanus
  • Common Name: African lily
  • Growing Zone: USA: 9 to 10
  • Life Cycle / Plant Type: Indoor Plant, Perennial

    Plant Details

    • Plant Height (Inches): 24 to 36
    • Plant Spread (Inches): 12 to 18
    • Time of Bloom: Late summer and early autumn
    • Flower Details: Blue
    • Leaf Foliage: Green
    • Fruit:
    • Growth Form: Irregular or sprawling, Spreading or horizontal, Upright or erect

    Ideal Growing Conditions

    • Best Light Conditions: Partially shady to full sunlight
    • Rate of Growth: Average pace
    • Suitable Soil Types: Loamy, Neutral, Sandy, Well drained
    • Soil Moisture: Medium

    Caring Conditions

    • Care: medium.
    • Level of Maintenance: Medium
    • Propagation: Division every 3 to 4 years in spring
    • How to Prune: No need to cut down in the autumn, as the seedheads look attractive over winter.
    • Pests: Usually pest free.
    • Diseases: Usually pest free, some viral diseases

    Further Information

    • Can Attract:
    • Tolerant of:
    • Best Garden Use: Border, Container, Foundation, En masse, Specimen

    • Family: Amaryllidaceae.
    • Closely Related Species: Allium, Leeks, Agapanthus, Amarylis, Narcissus, Galanthus, Zephyranthes.
    • Miscellaneous: Attractive foliage, Non-native to North America, Naturalizing, Attracts butterflies, Suitable for cut flowers, Suitable for dried flowers, Attractive flowers / blooms
    • Genus Detail: Agapanthus
    • Further Reading and References: Here and Here

Agapanthus africanus flower close up

Close up of Agapanthus africanus flower, image by Tatters; CC.

I hope that you enjoyed this guide on how to grow Agapanthus africanus. You may also enjoy the following African plant growing guides: How to grow Ixia plants and African Daisy.