Allium 'Millenium' (Ornamental Onion)


Botanical Information

FamilyAmaryllidaceae
GenusAllium
Cultivar'Millenium'
CategoryBulbs, Perennials
OriginIntroduced by Mark McDonough.

Details

USDA Hardiness Zone5 - 8
USDA Hardiness Ref.
Canadian Hardiness Zone4a - 8a
Canada Hardiness Ref.
RHS Hardiness ZoneH4 - H7
RHS Hardiness Ref.
Temperature (°C)-29 - (-7)
Temperature (°F)-20 - 20
Height30 - 45 cm
Spread30 - 45 cm
GrowthFast
Flowering PeriodJuly, August

Description and Growing Information

PropagationBy division.
CultivationGrows in dry moist, well-drained soil in full sun to partial shade. Can tolerate a wide range of soils such as clay or sandy soil.
PestsBulb rot, mildew, rust and leaf spots.
HabitatHorticultural origin.
Flower DescriptionGlossy, flat, dark green leaves.
Fruit DescriptionLight purple flowers growing in clumps on tall stems above the foliage with a strong onion aroma.

Photographs