Allium, Shallot, Scallion, Potato Onion, Multiplier Onion
Alliumcepa 'Ambition'

Family: Amaryllidaceae (am-uh-ril-id-AY-see-ee)
Genus: Allium (AL-ee-um)
Species: cepa (KEP-uh)
Cultivar: Ambition

Synonym:Allium cepa var. aggregatum

Synonym:Allium ascalonicum

Category
Bulbs
Vegetables
Herbs

Water Requirements
Drought-tolerant; suitable for xeriscaping
Average Water Needs; Water regularly; do not overwater

Sun Exposure
Full Sun
Sun to Partial Shade

Foliage
Shiny/Glossy
Smooth

Foliage Color
Chartreuse/Yellow

Height
24-36 in. (60-90 cm)

Spacing
3-6 in. (7-15 cm)
6-9 in. (15-22 cm)
9-12 in. (22-30 cm)

Hardiness
USDA Zone 3a: to -39.9 °C (-40 °F)
USDA Zone 3b: to -37.2 °C (-35 °F)
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)
USDA Zone 10a: to -1.1 °C (30 °F)
USDA Zone 10b: to 1.7 °C (35 °F)

Where to Grow

Danger

Bloom Color
Green
White/Near White

Bloom Characteristics

Bloom Size

Bloom Time
Late Spring/Early Summer

Other details

Soil pH requirements
6.1 to 6.5 (mildly acidic)
6.6 to 7.5 (neutral)
7.6 to 7.8 (mildly alkaline)

Patent Information

Propagation Methods
By dividing rhizomes, tubers, corms or bulbs (including offsets)
From seed; direct sow outdoors in fall
From seed; winter sow in vented containers, coldframe or unheated greenhouse
From seed; sow indoors before last frost
By tip layering

Seed Collecting
Bag seedheads to capture ripening seed
Allow seedheads to dry on plants; remove and collect seeds
Properly cleaned, seed can be successfully stored