Home / Guides / Plant Files / Alliaceae

Allium, Giant Allium, Giant Onion 'Ambassador'

Allium

Upload Image Print Article

Genus

Allium (AL-ee-um)

Info

Synonym

Sun Exposure

Full Sun

Foliage

Herbaceous

Height

36-48 in. (90-120 cm)

Spacing

12-15 in. (30-38 cm)

Hardiness

USDA Zone 4a: to -34.4 °C (-30 °F)

USDA Zone 4b: to -31.6 °C (-25 °F)

USDA Zone 5a: to -28.8 °C (-20 °F)

USDA Zone 5b: to -26.1 °C (-15 °F)

USDA Zone 6a: to -23.3 °C (-10 °F)

USDA Zone 6b: to -20.5 °C (-5 °F)

USDA Zone 7a: to -17.7 °C (0 °F)

USDA Zone 7b: to -14.9 °C (5 °F)

USDA Zone 8a: to -12.2 °C (10 °F)

USDA Zone 8b: to -9.4 °C (15 °F)

USDA Zone 9a: to -6.6 °C (20 °F)

USDA Zone 9b: to -3.8 °C (25 °F)

Danger

N/A

Bloom Color

Medium Purple

Bloom Time

Late Spring/Early Summer

Mid Summer

Other Details

Gardener's Notes:

Post Comment

positive

neutral

negative

Sort By:

Post Comment

Sort By:

sladeofsky

Louisville, KY (Zone 6b) | May 2010 | positive

Not only are the flowers giant, they are held on very tall 4' stems that have endured several strong storms without damage in my garden.

Popular Plants

SEE ALL

Featured

BUG FILES

Polydamas Swallowtail

(Battus polydamas)

BIRD FILES

Pied Crow

(Corvus albus)