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Allium schubertii Spider

Allium schubertii Spider
Schubert's Allium, Ornamental Onion

4,3/5
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The result is simply spectacular. This flower is splendid, even when it has lost its petals. It is very visually striking and suits both a Zen garden and an English garden. I highly recommend it.

catherine, 13/06/2018

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This plant carries a 6 months recovery warranty

More information

This hybrid ornamental garlic has a large umbel, 50cm (20in) above the ground, with light and violet-purple spider-like flowers. Its design is remarkable in natural flower beds and bouquets. Plant it in light, well-drained soil that is dry in summer. It prefers a very sunny exposure.
Flower size
25 cm
Height at maturity
50 cm
Spread at maturity
20 cm
Exposure
Sun
Hardiness
Hardy down to -18°C
Soil moisture
Dry soil, Moist soil
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Best planting time October to November
Recommended planting time January to March, September to November
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Flowering time June to July
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Description

Allium 'Spider' is a new ornamental garlic resulting from the hybridisation of A. schubertii and A. atropurpureum. This beautiful variety forms large spherical umbels with spider-like patterns in early summer. The star-shaped flowers, with a purple-violet colour crossed by a green glow, explode like fireworks in flower beds. Fabulous in contemporary or natural-inspired compositions alongside valerian, thistles, and grasses, this bulbous plant thrives in light, dry soils in summer. Its flowers are extraordinary in dry or fresh bouquets.

 

Allium 'Spider' belongs to the Amaryllidaceae family, just like leeks, onions, and garlic in our vegetable gardens. Every part of the plant is edible, from the bulb to the flowers, which can be used to decorate and flavour summer salads. It is a beautiful horticultural hybrid that combines the qualities of its two parents: it has the airy inflorescence structure of the schubertii species and the more purplish colour of atropurpureum flowers.

Fast-growing, it reaches a height of 50 to 60cm (20 to 24in) when flowering and spreads on the ground through bulb multiplication. The flowering takes place in June-July, in the form of umbels 25cm (10in) in diameter. Each umbel is composed of 30 to 50 small star-shaped flowers with 6 petals carried by pedicels of variable size, all radiating from a central point. After pollination by insects, they produce capsules that remain decorative for a long time. The foliage consists of long green leaves, which are single, basal, linear, and sessile, with an entire margin and parallel vein. The leaves disappear at the latest in November, often as early as August in hot and dry climates. The plant uses its bulb to survive winter.

 

Use 'Spider' as a focal point in a contemporary or country-style flower bed, especially in a dry garden. It will express its full potential in large groups of at least 10 to 15 bulbs. Plant it in a flower bed with white, mauve, pink, or red valerians, 'Buenos Aires' verbena, and shrubby artemisias, or as a border plant behind a row of neatly trimmed boxwood balls or small oak germander. It also works well along a wall or pathway, or in isolated clumps in the middle of creeping bugleweed. No matter how you use it, the decorative effect of this plant is guaranteed! It can also form beautiful pots that will be decorative from spring to autumn. Its flowers and foliage can be added to magnificent bouquets. To reduce the garlic scent of the flowers in fresh bouquets, for example, you can add a drop of bleach to the vase water or change the water regularly.

Allium 'Spider' pairs well with roses and chamomile in beds, or carrots and beets in the vegetable garden. It can repel aphids and other harmful insects. However, it seems to inhibit the growth of legumes. This plant is a poor companion for alfalfa and sainfoin, for example. Allium, like its relatives, is a medicinal plant.

Allium schubertii Spider in pictures

Allium schubertii Spider (Flowering) Flowering

Plant habit

Height at maturity 50 cm
Spread at maturity 20 cm
Growth rate normal

Flowering

Flower colour violet
Flowering time June to July
Inflorescence Umbel
Flower size 25 cm
Fragrance slightly scented
Good for cut flowers Cut flower blooms

Foliage

Foliage persistence Deciduous
Foliage colour medium green

Botanical data

Genus

Allium

Species

schubertii

Cultivar

Spider

Family

Alliaceae - Liliaceae

Other common names

Schubert's Allium, Ornamental Onion

Origin

Cultivar or hybrid

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Planting and care

Alliums are easy to grow in light soils that do not retain excessive moisture. Plant them preferably before the end of October so that they have time to establish. They fear humidity and waterlogged soils in winter or summer. Give them a sunny spot in well-drained soils, even rocky and chalky or sandy ones. Plant larger bulbs at a depth of 10 or 15cm (4 or 6in), with a spacing of 15cm (6in). Plant smaller bulbs at a depth of 10cm (4in), with a spacing of 7cm (3in). They are undemanding, but do prefer poor soils. The foliage should not be cut before it turns completely yellow, in order to allow the bulbs to replenish their reserves. Once acclimatised and established, this allium is quite resistant to drought. If the conditions are met, this bulbous plant requires no special maintenance, but does not like the root competition from other perennials. Alliums are sturdy plants and not very susceptible to diseases if the conditions are met. They multiply slowly by producing bulb offsets, eventually forming beautiful clumps.

Planting period

Best planting time October to November
Recommended planting time January to March, September to November
Planting depth 10 cm

Intended location

Suitable for Meadow, Rockery
Type of use Border, Container, Slope
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, Calcareous
Soil moisture Dry soil, Moist soil, well-drained, rather poor.

Care

Pruning No pruning necessary
Soil moisture Dry soil, Moist soil
Disease resistance Good
Overwinter Can be left in the ground
4,3/5
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