Photo of Green Onion by Annie's Annuals & Perennials

Photo by Annie's Annuals & Perennials

Used with permission, all rights reserved.

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Green Onion

Scientific Name: Allium fistulosum

Also Known As

  • Bunching Onions
  • Scallions

Plant type

perennial, bulb / corm / tuber, fruit / vegetable

size

  • H: 12"-24"
  • W: 6"-12"

planting zones

  • 3a-10b

More Options

Green Onion plant details

Green Onion is a broadleaf semi-evergreen perennial bulb / corm / tuber or fruit / vegetable with green foliage. In summer white flowers emerge followed by white fruit. Features grassy texture. Attracts bees and beneficial insects making it an excellent addition to pollinator gardens. Grows well with sun - mostly sun and regular - occasional water. Does well in average, gritty, rich and well-drained soil. A good option if you're seeking something verticillium wilt resistant.

CHARACTERISTICS OF Green Onion

Plant type: perennial bulb / corm / tuber or fruit / vegetable
Plant family: amaryllidaceae
Foliage: semi-evergreen green
Mature size: 6 IN - 12 IN - wide, 12 IN - 24 IN - tall
Flowers: white blooms in summer
Uses: container plant, culinary, edible

GROWING CONDITIONS for Green Onion

USDA Zones: 3a - 10b
Sun exposure: sun - mostly sun
Watering frequency: regular - occasional
Resistant to: deer and rabbit, verticillium wilt
Soil needs: average, gritty, rich and well-drained

Nursery contributed plant descriptions

Superior in flavor & RELIABLY PERENNIAL – this permaculture garden must-have is also known as “bunching onions” or “scallions”. Enjoy fresh green onions all year – you don’t even need to dig up the whole plant, just harvest the greens as needed & leave the bulb. Usually mild, they can be spicier during the summer & sweeter when grown in fertile soil. Once mature the plants reproduce by seed & side shoots, so you’ll end up with bunches of self-perpetuating green onions you can dig up & replant forever. For long pale stems, pile up soil around the base. Blooms in its second year – the immature flower stalks have a unique sweet flavor & can be used as chives. Winter dormant.

By: Annie's Annuals & Perennials

Gardening facts about Green Onion plant

How to Grow Green Onion

  • Sun Exposure

    • sun - mostly sun
  • Water Needs

    • regular - occasional
  • Soil Needs

    • average
    • well-drained
    • rich
    • gritty
  • Special Situation

    • verticillium wilt resistant

Features

  • Foliage Color

    • green
  • Flower Color

    • white
  • Wildlife

    • beneficial insects
    • bees
    • deer resistant
    • rabbit resistant
  • Fruit

    • white
  • Flower Season

    • summer
  • Foliage Season

    • semi-evergreen
  • Texture

    • grassy

See other plant types of Allium for your garden

aka Allium cernum, Lady's Leek, Nodding Onion, Wild Onion

Plant Type

Perennial, Bulb / Corm / Tuber

Zones

4a-9b

Size

Height: 18"-24"

Width: 12"-18"

  • sun - dappled shade
  • regular - drought tolerant
  • dry when dormant
  • dry in summer
Photo of Allium cernuum flower by Walter Siegmund
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aka Allium albopilosum, Allium christophii, Star of Persia

Plant Type

Perennial, Bulb / Corm / Tuber

Zones

4a-9b

Size

Height: 12"-18"

Width: 6"-12"

  • sun - mostly sun
  • occasional - drought tolerant
  • dry when dormant
  • dry in summer
Photo of Allium cristophii landscape by Panayoti Kelaidis
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aka Allium nutans x 'Millennium', Allium X 'Millenium', Millenium Hybrid Ornamental Onion, Millennium Onion

Plant Type

Perennial, Bulb / Corm / Tuber

Zones

5a-9b

Size

Height: 12"-18"

Width: 12"-18"

  • sun - mostly sun
  • regular - low
Photo of Allium 'Millennium' flower by Phoenix Perennials and Specialty Plants Ltd.
View Plant

aka Allium sanbornii var. tuolumnense, Rawhide Hill Onion

Plant Type

Perennial, Bulb / Corm / Tuber

Zones

5a-10b

Size

Height: 6"-20"

Width: 2"-12"

  • sun - dappled shade
  • occasional - drought tolerant
  • dry when dormant
  • dry in summer
Photo of Allium tuolumnense flower by Stan Shebs
View Plant

aka Allium luteum, Jeannine Golden Garlic

Plant Type

Perennial, Bulb / Corm / Tuber

Zones

3a-9b

Size

Height: 6"-12"

Width: 2"-18"

  • sun - dappled shade
  • regular - drought tolerant
  • dry in summer
Photo of Allium moly 'Jeannine' flower by Karl Gercens III
View Plant

More Options

+122 more Allium
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