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botanical name:
Allium senescens var. calcareum
Allium senescens var. calcareum © Deeproot Plant Base
common name:  Ornamental onion, German garlic, Ballhead onion
synonyms:  Allium lusitanicum
family:  Alliaceae
characteristics: perennial
height: 0.40m
width: 0.20m
growth rate: medium
growth habit: bulb/corm
leaf colour: green
flower colour: lilac
main season: Autumn
edible symbol edible
aspect: full sun
conditions: dry soil, moist soil, sandy soil
preferred soil pH: any
minimum temp: -20°C
USDA zone: 5 to 10
Clump forming. with narrow green leaves, 5cm wide. Round umbels of mauve-lilac flowers, produced late in the season, in September and October.

Any lightish, well drained, moist to quite dry soil in full sun. Drought tolerant once established.

From seed or by division of bulb clusters.

Edible bulbs, leaves and young shoots, cooked or raw in salads.
Reputed to repel insects and moles, the juice has been used as a moth repellent.

other notes:
Found in dry, usually rocky places, from Central Europe to Siberia.

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