Agave lophantha
Agave lophantha
Agave lophantha
Agave lophantha
Agave lophantha
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Description
Agave lophantha, also known as thorny crested agave or thorny crested century plant, is a beautiful succulent perennial highly sought after in landscaping for its bright and regular rosette. Its foliage, marked by a lighter central stripe, exudes elegance. Perfectly adapted to dry climates, poor soils, and harsh conditions, this species is fairly cold-resistant: down to -12°C in dry soil. Like all agaves, it is well-armed: the edges of the leaves are lined with small sharp thorns, and each leaf ends in a prickly tip that requires careful handling. It can be grown in the ground in milder climates, but also in large pots to be kept indoors during winter in colder regions.
Agave lophantha (synonymous with A. univittata) is native to Mexico and the southern United States, particularly the coastal regions of southern Texas and northeastern Mexico, including the plains of the Rio Grande. It is found at altitudes below 100 m, growing in dry, well-drained, rocky soils, often on limestone outcrops and cliffs. This perennial belongs to the Asparagaceae family, alongside Yuccas and Dasylirions. More compact than Agave americana, this species reaches about 60 cm in height and width at maturity. It forms a rosette of tough, upright, trough-shaped, heavily thorned leaves with serrated edges, ranging in colour from dark green to blue-green, with a lighter central stripe. At maturity, after several years of growth, Agave lophantha produces a flower spike that can reach 2 to 3 m in height. This floral stem bears yellowish-green to reddish flowers arranged in hemispherical panicles. The flower spike emerges from the heart of the rosette, signalling the end of the mother plant's life. However, this semelparous perennial ensures its legacy through numerous offsets produced at its base, allowing it to regenerate.
By the seaside, Agave lophantha is an easy-to-grow plant for open ground in well-draining soil. It thrives outdoors in full sun. Plant it in a rockery, gravel bed, or dry garden. It pairs wonderfully with Opuntias (prickly pears), Dasylirion, Mediterranean spurge, or ornamental grasses for dry soil. In colder regions, it is best grown in a large pot, placed in full sun and protected from excessive frost in winter. This low-maintenance, decorative agave is a reliable choice for adding character to your terrace!
Agave lophantha in pictures
Flowering
Foliage
Plant habit
Botanical data
Agave
lophantha
Asparagaceae
Agave univittata, Agave heteracantha
North America
Planting and care
Plant Agave lophanta in full sun, preferably in poor, even stony, chalky, sandy, very well-drained soil; It dislikes winter damp combined with cold. This is a plant that withstands long, dry summers very well, perfectly suited to the Mediterranean climate. It will tolerate frosts down to -12°C at peak under good conditions (dry soil).
Container cultivation: As the plant reaches a considerable size, it should be grown in wide pots, with drainage holes at the bottom, preferably in terracotta or wooden planters. Use cactus compost or a mix of potting soil, garden soil and coarse sand (or fine gravel). Place a layer of clay pebbles at the bottom of the pot. Depending on the climate, it will need to be stored in a cold greenhouse over winter, protected from severe frosts, as potted plants are more sensitive to frost than those planted in the ground.
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).
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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.