Ornamental onion
Common Name: Ornamental onion
Genus: Allium
Species: cristophii
Skill Level: Beginner
Exposure: Full sun
Soil type: Well-drained/light
Height: 60cm
Spread: 15cm
Flowering period:
July
to
August
There are several ball-headed kinds of flowering onion, and this is the largest and perhaps the most eye-catching of them all. Sometimes called the 'Star of Persia,' it is a native of Turkey and Iran, and loves a warm sunny site where it will tolerate competition from tree and hedge roots. Each huge, spherical flower head contains up to 80 purple flowers with slightly flattened petals that emphasise the perfect ball shape. As these fade, they resemble brown stars, and the complete stem will last for many weeks as part of a dried flower arrangement. The Royal Horticultural Society has given it the Award of Garden Merit (AGM).
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