Agapanthus umbellatus White Umbrella seeds - African lily
Agapanthus umbellatus White Umbrella seeds - African lily
Agapanthus umbellatus White Umbrella
African Lily, Lily of the Nile
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Description
Agapanthus umbellatus 'White Umbrella' is a spectacular variety of African Lily, admired for its pure white flowers grouped in large dense umbels. Perfect for brightening borders, beds, or containers, this plant possesses a real elegance with its abundant summer flowering and evergreen foliage. Somewhat tender (-5°C), this variety requires little maintenance and withstands drought well.
Belonging to the Amaryllidaceae family, the 'White Umbrella' Agapanthus is native to South Africa. This herbaceous perennial can reach a height of 1.4 m with a spread of 60 cm. It develops long, dark green ribbon-like leaves, forming a dense clump that persists in winter. Its upright flower stalks bear large spherical umbels of white flowers, measuring between 20 and 25 cm in diameter. Each trumpet-shaped flower reaches approximately 5 cm in length. Flowering occurs between June and September. This plant is relatively slow to establish and takes between 2 and 5 years to reach its mature size.
The 'White Umbrella' Agapanthus is ideal for structuring beds or adding height to borders. Consider pairing it with Verbascum 'Southern Charm', with pastel spike flowers or Nepeta 'Six Hills Giant' featuring silvery foliage and light abundant purple flowering. To add a touch of height, try Eryngium giganteum (Giant Sea Holly), with its silvery flowers adding a spiky texture and architectural look. Helenium 'Moerheim Beauty' with their coppery tones will extend garden interest into late summer. This Agapanthus also lends itself well to container cultivation for patios or terraces.
Flowering
Foliage
Plant habit
Botanical data
Agapanthus
umbellatus
White Umbrella
Amaryllidaceae
African Lily, Lily of the Nile
Agapanthus africanus White Umbrella
South Africa
Planting and care
Sow the seeds of Agapanthus 'White Umbrella' between February and April. Sow the seeds on the surface in well-drained soil, and cover them lightly. Keep the soil moist and place the sowing at a temperature of around 15-20°C. Germination can take between 3 and 8 weeks. Once the young plants are well developed, transplant them into individual pots before planting them in the ground after the last frosts.
For cultivation, this Agapanthus prefers a sunny exposure and well-drained soil, whether neutral, slightly acidic, or alkaline. Water moderately, especially in summer, but avoid excess moisture. In winter, if you are in a colder region, mulching is recommended to protect the roots. In pots, bring them indoors to a sheltered place if temperatures drop below -5°C. Remove faded flower spikes to encourage new flowering and divide clumps every 3 to 4 years to promote growth.
Sowing period
Intended location
Planting & care advice
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Hardiness is the lowest winter temperature a plant can endure without suffering serious damage or even dying. However, hardiness is affected by location (a sheltered area, such as a patio), protection (winter cover) and soil type (hardiness is improved by well-drained soil).
In temperate climates, pruning of spring-flowering shrubs (forsythia, spireas, etc.) should be done just after flowering.
Pruning of summer-flowering shrubs (Indian Lilac, Perovskia, etc.) can be done in winter or spring.
In cold regions as well as with frost-sensitive plants, avoid pruning too early when severe frosts may still occur.
The harvesting period indicated on our website applies to countries and regions in USDA zone 8 (France, England, Ireland, the Netherlands).
In colder areas (Scandinavia, Poland, Austria...) fruit and vegetable harvests are likely to be delayed by 3-4 weeks.
In warmer areas (Italy, Spain, Greece, etc.), harvesting will probably take place earlier, depending on weather conditions.
The sowing periods indicated on our website apply to countries and regions within USDA Zone 8 (France, UK, Ireland, Netherlands).
In colder areas (Scandinavia, Poland, Austria...), delay any outdoor sowing by 3-4 weeks, or sow under glass.
In warmer climes (Italy, Spain, Greece, etc.), bring outdoor sowing forward by a few weeks.
The planting period indicated on our website applies to regions in USDA Zone 9a (East Coast and Midlands: Dublin, Wexford, Waterford, Kilkenny, Portlaoise). It will vary depending on where you live:
- On the west coast and in the north-west (Galway, Limerick, Sligo, Donegal, Westport), delay planting by 1 to 2 weeks in spring and bring it forward by 1 to 2 weeks in autumn compared to the dates given, preferably choosing periods without strong winds.
- In the inland hills and plateaus (Wicklow Mountains, Macgillycuddy’s Reeks, Connemara, Killarney), it is best to plant in spring (April–May) or autumn (September–October), avoiding periods of waterlogged soil in winter and strong winds, which pose the main risk to newly planted trees in these areas.
The flowering period indicated on our website applies to regions in USDA Zone 9a, such as the East Coast and Midlands, including Dublin, Wexford, Waterford, Kilkenny and Portlaoise.
This will vary depending on where you live:
- On the west coast and in the northwest (Galway, Limerick, Sligo, Donegal and Westport), it will be delayed by one to two weeks compared to the given dates, due to stronger Atlantic winds and less spring sunshine.
- In the inland hills and plateaus (the Wicklow Mountains, the Macgillycuddy's Reeks, Connemara and Killarney), flowering will be delayed by two to three weeks. Flowering mainly occurs between May and July, with the limiting factors being less frost and more of the excessive humidity, strong winds and lack of sunshine that are characteristic of these areas.
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