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Allium sphaerocephalon

Oval flowerheads open green, then turn to purple.

Flowering period:  July to August.
Growing conditions:  Well-drained soil in full sun or light shade.
Special note:  Spreads.
Typical mature height:  24 inches ( 61 cms )
Hardiness:  Very hardy. Should withstand severe winters and exposed sites.
 Insect-friendly plant This is an insect-friendly plant which gives bees and other insects easy access to nectar and pollen.

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