Allium Round n Purple
Allium Round n Purple
Allium Round and Purple
Ornamental Onion, Flowering Garlic
Onion like the habit. Thin cardboard packaging, not suitable for lorry transportation.
Frederic, 09/10/2019
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Description
Allium 'Round 'n' Purple' is a spectacular variety of ornamental garlic with huge pale-lilac spherical inflorescences, 15cm (6in) in diameter. The flowers are very popular with pollinating insects. The blooms appear in late spring, at the top of thick and sturdy stems that are not afraid of rain or wind. Like many ornamental garlics, it thrives in full sun in well-drained, fairly rich soils that are not too wet in winter and are dry during the bulb's resting period.
Allium 'Round 'n' Purple' is a perennial herbaceous plant with a bulb, belonging to the Amaryllidaceae family. It is derived from A. giganteum, native to Eastern and Central Asia, from Afghanistan to Pakistan and Russia, as well as the Himalayas. It prefers a sunny exposure and light, well-drained, limestone soil. Its bulb is resistant to cold in soils that are not too wet, especially in winter and the second half of summer.
Similar to A. giganteum and A. 'Globemaster', this horticultural variety blooms earlier. Its inflorescences flower as early as May. Its airy and spherical umbels are formed by countless small star-shaped purple-lilac flowers carried on sturdy stems at a height of about 70 to 80cm (28 to 32in). The deciduous basal leaves are ribbon-shaped and bluish-grey. They emerge from the ground in early spring and dry up before the flowers appear. The flower heads have no fragrance. They remain decorative in flower beds once pollinated. The bulb replenishes its reserves after flowering and produces many bulbils, allowing it to multiply rapidly.
Planted individually, 'Round 'n' Purple' has little interest. However, it becomes quite remarkable when planted in groups of 3 to 5 bulbs in large flower beds with perennials in shades of pink and blue. Perfect in a contemporary-style setting, it is indispensable in a romantic mixed border, surrounded by a carpet of Nepeta 'Six Hill Giant', and accompanied by Stachys byzantina and Chinese peonies, for example. Plant it in front of a background of opulent pink-flowered roses such as Rosa 'Eglantyne', R. 'Heritage', or R. 'Mary Rose'. Consider pairing it with low-growing, bushy plants that will hide its base once the foliage has dried up. For a more dynamic effect, its flowers can structure a modern garden where various geometric shapes oppose each other. For example, it can be paired with Stipa tenuissima, lavender, and cone-shaped trimmed boxwoods. It can also be grown in pots to enjoy its beautiful flowering on a balcony or patio. Enhance your floral bouquets with its large flowers, or dry them for guaranteed originality.
Plant habit
Flowering
Foliage
Botanical data
Allium
Round and Purple
Amaryllidaceae
Ornamental Onion, Flowering Garlic
Cultivar or hybrid
Planting and care
It is quite easy to grow in well-drained soil. Plant it preferably before the end of October so that it has enough time to establish itself. It dreads winter humidity, so give it a sunny spot in well-drained soil. It will grow in sandy or rocky soil, but not if its too poor. Plant it at a depth of 10 or 15cm (4 or 6in), spaced 15cm (6in) apart. For pot cultivation, water regularly as soil tends to dry out quickly in a container.
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.