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Allium Gladiator

Allium aflatunense x macleanii Gladiator
Ornamental Onion, Flowering Garlic

4,4/5
18 reviews
4 reviews
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1 reviews

It's hard to give a review when planting bulbs in the autumn! They are well wrapped, as big as Giganteum, dry and firm. We'll see in June if I've succeeded with them...

Christophe , 18/09/2024

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More information

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An ornamental garlic that resembles Allium 'Globemaster', but is taller, with smaller flowers. It stands at 1.5m (5ft) from the ground in summer, with beautiful umbels in clusters of small, lilac-violet star-shaped flowers, 15cm (6in) wide. Its wide, curved and pruinose leaves have a metallic sheen and violet reflections. This bulb is easy to grow in full sun, in any well-drained soil. Stunning in shrub or perennial beds, its flowers are remarkable in fresh or dried bouquets.
Flower size
15 cm
Height at maturity
1.50 m
Spread at maturity
15 cm
Exposure
Sun
Hardiness
Hardy down to -20°C
Soil moisture
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 June to July
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Description

Allium 'Gladiator' is an ornamental garlic that is both elegant and spectacular, with umbels of aerial flowers easily spotted from afar. They emerge in summer from shrub and large perennial beds, punctuating them with perfect spheres, neither truly purple nor truly pink, but a bright lilac-purple. Taller than the famous A. 'Globemaster', but with smaller flowers, this particularly reliable variety has been awarded by the renowned Royal Horticultural Society. It will faithfully flower year after year in summer, in well-drained soil and full sun. Beautiful in flower pots, its flowers are also perfect in dried or fresh bouquets. 

 

A magnificent horticultural achievement, 'Gladiator' is the result of a cross-breeding between Allium aflatunense and A. macleanii. It is a robust and hardy variety in well-drained soil. It is a perennial bulbous plant belonging to the Amaryllidaceae family. This ornamental garlic develops its foliage in spring. It consists of several broad, recurved, glaucous green leaves with violet and slightly metallic reflections. Each leaf can reach 10cm (4in) wide. The foliage dries up and disappears as the flowering begins in June-July, depending on the region. A tall green stem, reaching up to 1.5m (5ft), emerges from the ground. A large floral bud covered with a green membrane develops at its tip. At full bloom, this globular umbel inflorescence can measure 15cm (6in) in diameter. It is composed of numerous tiny star-shaped flowers with 6 petals in a lilac-violet colour. This flowering attracts numerous pollinating insects, and the flower heads, devoid of fragrance, remain decorative in the beds once pollinated. The bulb replenishes its reserves after flowering and produces numerous bulbils, allowing it to multiply rapidly. 

 

Isolated, 'Gladiator' is not particularly interesting, but when planted in large beds with perennials in shades of pink and blue, it becomes truly remarkable. Perfect in a contemporary setting with boxwood balls, for example, it is irreplaceable in a romantic mixed border. Place it in a carpet of Nepeta 'Six Hill Giant' and Stachys byzantina, not far from herbaceous peonies with large flowers, such as 'Break a Day' or 'Bowl of Beauty'. Set it against a backdrop of lush pink-flowering roses: 'Eglantyne', 'Heritage' or 'Mary Rose'. In any case, consider accompanying it with low-growing and bushy plants such as perennial geraniums, which 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 combined with Stipa tenuissima, lavender, and trimmed lonicera nitida.

In short, the possibilities are endless. There is certainly a corner of your garden where this garlic will work wonders.

 

Allium Gladiator in pictures

Allium Gladiator (Flowering) Flowering
Allium Gladiator (Plant habit) Plant habit

Plant habit

Height at maturity 1.50 m
Spread at maturity 15 cm
Growth rate normal

Flowering

Flower colour violet
Flowering time June to July
Inflorescence Umbel
Flower size 15 cm
Good for cut flowers Cut flower blooms

Foliage

Foliage persistence Deciduous
Foliage colour green
Foliage description Deciduous foliage at the same time as the flowering begins.

Botanical data

Genus

Allium

Species

aflatunense x macleanii

Cultivar

Gladiator

Family

Alliaceae - Liliaceae

Other common names

Ornamental Onion, Flowering Garlic

Origin

Cultivar or hybrid

Product reference515591

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Planting and care

Alliums are easy-to-grow in light, loose, and well-drained soil. Plant them preferably before the end of October so that they have time to establish. They are sensitive to moisture, especially in winter in clayey and heavy soils. Give them a sunny spot in well-drained soils, even sandy or rocky ones. Plant larger bulbs at a depth of 10 or 15cm (4 or 6in), spaced 40cm (16in). Plant smaller bulbs at a depth of 10cm (4in), spaced 7cm (3in). They are undemanding but prefer poor soils.

1
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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 Border
Hardiness Hardy down to -20°C (USDA zone 6b) Show map
Ease of cultivation Amateur
Planting density 10 per m2
Exposure Sun
Soil pH Any
Soil moisture Moist soil, well-drained, light.

Care

Pruning instructions You can prune the faded flowers before seed formation.
Pruning Pruning recommended once a year
Pruning time August
Soil moisture Moist soil
Disease resistance Very good
Overwinter Can be left in the ground
4,4/5

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