Crocus speciosus Conqueror
Crocus speciosus Conqueror
Crocus speciosus Conqueror
Crocus speciosus Conqueror
Crocus speciosus Conqueror
Bieberstein's Crocus
Ordered and arrived mid-October. Planted immediately as they were already sprouting. All the flower bulbs in bloom eight days later. Splendid. Second order arrived today. Planted straight away. Looking forward to seeing the results in the coming days.
Mireille, 23/10/2024
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Description
Crocus speciosus 'Conqueror' is the most vigorous selection among C. speciosus, which are known for their robustness and ease of cultivation. This small bulbous plant flowers at the beginning of autumn with large intense blue-violet cups, rivalling the most beautiful colchicums in sunny lawns and rockeries. It faithfully flowers every year, quickly spreading in large colonies.
Like all crocuses, Crocus speciosus 'Conqueror' belongs to the Iridaceae family. Its wild ancestor is native to northern and central Turkey, the Caucasus, northern Iran, and Crimea. This 'Conqueror' selection is both more prolific and more colourful than the type. It is a perennial herbaceous plant with a corm, which is sometimes called a bulb. The flowers emerge from the ground before the foliage, usually in October, sometimes as early as September in warmer regions. The cup-shaped flowers are 6cm (2in) long. They open in a star shape, revealing lightly veined light blue-violet petals. The golden yellow heart of the flower is adorned with stamens of the same yellow and a bright orange feathery style. The flowers close at night and in bad weather, then open wide in the sun. The foliage emerges from the ground in late winter and disappears in late spring. It forms a small tuft 15cm (6in) tall, composed of thin, slender, and arching dark green leaves. The 'bulbs' here are corms. A corm is, in plant morphology, an underground storage organ that looks like a bulb, but is formed from a swollen stem surrounded by scales.
Crocus speciosus 'Conqueror' brings spring back to the garden in autumn, creating a beautiful surprise in the dormant garden. Its large showy flowers enliven the lawn, the edge of a bed, or a rockery. It will also thrive on the edge of a light woodland, along a sunny hedge in the company of colchicums and Neapolitan cyclamens. Plant it in the middle of the lawn with snowdrops or violets, and of course mixed with other crocuses that flower in autumn.
Crocus roots can contract like a spring, allowing the plant to settle at its ideal depth.
Our advice: grow them in pots near your front door. They will greet you every day! Once the leaves have withered, they can be returned to the garden where they will bloom again next year.
Plant the bulbs upon receipt of your order. Bulb size 5+. Sold in packs of 15 and 30 bulbs.
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Plant habit
Flowering
Foliage
Botanical data
Crocus
speciosus
Conqueror
Iridaceae
Bieberstein's Crocus
Cultivar or hybrid
Planting and care
Plant the bulbs before 20 September and they will bloom in autumn. Plant your bulbs in the sun, in a warm, south or west-facing position, 15cm (6in) deep and spaced 8cm (3in) apart. They prefer well-drained soil that does not become waterlogged in winter or summer. If your garden soil is too heavy, incorporate some sand when planting. The first frost will bring out their flowers. They will faithfully return every year.
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.
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