Persian onion (Allium cristophii)

Persian onion

When the leaves and bulbs of the persian onion are clipped or bruised, they smell like onions. It has unscented, star-shaped silvery flowers that attract butterflies but repel deers. This plant looks great in beds, borders, and gardens, as well as in cut flower arrangements.

Scientific classification

Species

Persian onion (Allium cristophii)

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Perennial

Lifespan

20 cm

Spread

Deciduous

Leaf type

5 - 32 ℃

Ideal Temperature

Spring, Summer

Growth Season

Moderate

Growth Rate

Images of Persian onion

Distribution of Persian onion

Distribution Map

Persian onion is natively distributed across the mountainous regions of the Middle East and Central Asia. It has been introduced to and cultivated in various temperate regions, expanding its range predominantly across the larger continent of Europe. The plant thrives in cultivation outside its natural range, in both private and botanical gardens.

Native

Cultivated

Invasive

Introduced

No species reported

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Cultivars

There are several recognized cultivars of Persian onion, including the following common varieties :

Onions 'Purple Rain'Onions 'Universe'

Quickly Identify Persian onion

Large spherical flower clusters, 8-12 inches (20-30 cm) in diameter.

Distinctive star-shaped flowers with pale lavender petals.

Flat, strap-like leaves emitting onion or garlic smell when bruised.

Smooth, leafless stems reaching up to 2 feet (60 cm) in height.

Three-dimensional, star-shaped fruit capsules with glossy black seeds.

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Care Guide for Persian onion

Every 1-2 weeks

Water

Full sun

Sunlight

5 - 32 ℃

Ideal Temperature

Garden Soil

Soil Type

Water: Persian onion thrives in arid environments with excellent drought tolerance, needing water only every 1-2 weeks. This bulbous plant can manage rainy conditions effectively, utilizing its ability to regulate water absorption for optimal growth.

Pruning: Persian onion features star-shaped flowers and requires minimal pruning in early to late spring post-flowering. Trim spent stems for bulb health and remove damaged foliage to prevent disease. Regular pest checks and removal of affected parts ensure optimal plant health and promote vigorous blooms.

Propagation: Persian onion is propagated by dividing clusters of bulbs, which should be replanted at the same depth. Utilize a well-draining soil mix and provide ample sunlight to mimic its native habitat for optimal growth.

Repotting: Repot persian onion in late summer, every 2-3 years, in a well-draining pot. After repotting, keep it in full sun and water sparingly until new growth occurs. Ensure well-drained soil to avoid bulb rot; persian onion thrives with minimal care.

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Common Pests & Diseases

Leaf wilting Flower wilting Dark blotch Leaf rot Flower withering

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