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Allium Round n Purple

Allium Round and Purple
Ornamental Onion, Flowering Garlic

4,8/5
3 reviews
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Onion like the habit. Thin cardboard packaging, not suitable for lorry transportation.

Frederic, 09/10/2019

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This plant carries a 6 months recovery warranty

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Value-for-money
A spectacular variety of ornamental garlic whose very large pale purple-lilac spherical flowers, 15cm (6in) in diameter, are carried on sturdy stems at a height of 70 to 80cm (28 to 32in). It blooms from late spring to early summer and its flowers are beautiful in dry or fresh bouquets. Grow it in full sun in well-drained, rather rich soil. It will be content if the soil is quite dry after flowering.
Flower size
15 cm
Height at maturity
75 cm
Spread at maturity
15 cm
Exposure
Sun
Hardiness
Hardy down to -18°C
Soil moisture
Dry soil, Moist soil
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Best planting time September to November
Recommended planting time January to February, September to December
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Flowering time May to June
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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

Height at maturity 75 cm
Spread at maturity 15 cm
Growth rate normal

Flowering

Flower colour mauve
Flowering time May to June
Inflorescence Umbel
Flower size 15 cm
Bee-friendly Attracts pollinators
Good for cut flowers Cut flower blooms

Foliage

Foliage persistence Deciduous
Foliage colour green

Botanical data

Genus

Allium

Cultivar

Round and Purple

Family

Alliaceae - Liliaceae

Other common names

Ornamental Onion, Flowering Garlic

Origin

Cultivar or hybrid

Product reference536031

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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

Best planting time September to November
Recommended planting time January to February, September to December
Planting depth 15 cm

Intended location

Suitable for Meadow
Type of use Back of border, Free-standing, Container
Hardiness Hardy down to -18°C (USDA zone 7a) Show map
Ease of cultivation Amateur
Planting density 10 per m2
Exposure Sun
Soil pH Neutral, Any
Soil moisture Dry soil, Moist soil, light, well-drained

Care

Pruning No pruning necessary
Soil moisture Dry soil, Moist soil
Disease resistance Good
Overwinter Can be left in the ground
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