Yucca filamentosa
Yucca filamentosa
Yucca filamentosa
Yucca filamentosa
Yucca filamentosa
Needle Palm, Adam's Needle and Thread, Spanish Bayonet, Bear-Grass, Carolina Silk Grass, Our Lord's Candle, Spoonleaf Yucca
Hello, I received the package in a sorry state. Huge disappointment, especially for a first order at £140. Some leaves of the yucca are damaged and broken, and overall the plant has dried up leaf tips.
claudine, 11/03/2024
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Description
The Yucca filamentosa, also known as the Threadleaf Yucca, is a plant with a highly exotic appearance, forming a bushy clump of dark green upright leaves, bordered by whitish filaments, that create a large bunch, remaining attractive throughout the year. When mature, this plant produces an impressive summer flowering that can reach up to 2m (6.6ft) in height. The upper part of the flower spike bears numerous pendulous flowers resembling large cream-white bells. Being hardy and anchored by a strong rootstock, this yucca is perfect for rockeries, slopes, or dry gardens.
The Threadleaf Yucca is a plant belonging to the agave family. It is a botanical species native to the northeastern United States (Virginia) and the southeastern United States, spreading westward to Louisiana. Generally lacking a trunk, the plant develops multiple stems that bear rosettes of long and narrow leaves tapering towards the tips, pointing upwards. Its growth, initially slow, reaches a rate of 20 to 30cm (11.8in) per year. The rosettes measure approximately 90cm (35.4in) in height, and the leaves are bordered by the characteristic filaments of the species. Each rosette has around sixty leaves that are 50 to 75cm (29.5in) long, rough, fairly flexible, ending in a small sharp spine. The flower spikes appear in early summer, later or earlier depending on the climate, on plants several years old. The flowers, resembling tulips in size and shape, are cream-white in colour and appear on a green and sturdy flower spike arranged in a paniculate manner. They face downwards. The rosette dies after flowering followed by the emergence of small juvenile rosettes at the base of the plant.
The Threadleaf Yucca, hardy well beyond -15°C (5°F), in well-drained soil and easy to grow, will thrive in any properly drained soil, even dry and poor, or in arid conditions. It should be kept away from pathways and young children due to its pointed leaves. This plant is ideal for structuring a large rockery or for brilliantly occupying the centre of an exotic flower bed. It can be placed alone or combined with Puyas, numerous Agaves, Yuccas, and other opuntias that also thrive in desert-like environments.
The flower petals are edible; they can be served as a garnish or prepared as fritters. The flower spike, before the flowers appear, can also be cooked and eaten, similar to asparagus.
Yucca filamentosa in pictures
Plant habit
Flowering
Foliage
Botanical data
Yucca
filamentosa
Asparagaceae
Needle Palm, Adam's Needle and Thread, Spanish Bayonet, Bear-Grass, Carolina Silk Grass, Our Lord's Candle, Spoonleaf Yucca
North America
Planting and care
Plant the Yucca filamentosa in a very sunny location. An adult specimen will withstand brief frosts of around -20°C (-4°F) if the soil is well-drained. In mild climates plant in autumn, especially when hot and dry during summer. This species does not tolerate excess moisture, especially when combined with cold weather: plant in a well-drained soil, ideally in a large rock garden, a raised bed with gravel-enriched soil, or a rocky slope. It is not picky about the soil's pH, which can be slightly acidic, sandy, rocky, or even slightly chalky. It can tolerate poor soil, but its growth will be slightly faster in more fertile soil. Water during the first 2 years, especially during hot and dry periods. Remove faded stems.
Your Yucca is beautiful, but it doesn't flower? It is probably too young or has only been in your garden for 3 or 4 years. Indeed, it seems that this plant takes time to establish itself and only blooms after 8 years. Then, depending on the sunlight and climate, it will flower every year or every two or three years.
Propagation:
The Yucca can be easily propagated by cuttings of trunk portions. It should be noted that plants derived from cuttings produce fewer roots than those from seeds, making them susceptible to strong winds and less resistant to drought in hot climates.
Fertilization in Yuccas:
In their countries of origin, Yucca flowers are pollinated only by a few species of tiny primitive butterflies devoid of proboscis, which live in symbiosis with the plant, such as Prodoxus. The female of these butterflies carries pollen grains from one flower to the stigma of another. She lays a few eggs at the base of the flower. The young caterpillars feed on some of the seeds. Since Prodoxus is not part of our fauna, most Yuccas cultivated in our gardens never produce fruits. Only Yucca aloifolia is capable of it because its pollination does not depend on the presence of these micromoths.
Planting period
Intended location
Care
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.