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Evergreen White Bunching Onion

Allium fistulosum 'Evergreen White'

A hardy perennial scallion variety that lives up to its name by providing fresh green onions year-round in most climates. This vigorous variety forms thick white bases and dark green tops that can be harvested continuously by cutting and allowing to regrow. Perfect for gardeners who want a permanent source of fresh scallions without replanting.

Harvest

60-70d

Days to harvest

📅

Sun

Full sun to partial shade

☀️

Zones

4–9

USDA hardiness

🗺️

Height

1-3 feet

📏

Planting Timeline

Zone:

Jan

Feb

Mar

Apr

May

Jun

Jul

Aug

Sep

Oct

Nov

Dec

Direct Sow

Harvest

Direct Sow

Harvest

Showing dates for Evergreen White Bunching Onion in USDA Zone 7

All Zone 7 allium →

Zone Map

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Evergreen White Bunching Onion · Zones 4–9

What grows well in Zone 7? →

Growing Details

Difficulty

Easy

Spacing2-3 inches initially, thin to 4-6 inches

SoilRich, well-drained soil with good organic matter

pH6.0-7.5

Water1 inch per week, consistent moisture

SeasonCool season, can grow year-round in mild climates

FlavorMild onion flavor, sweet white bases with slightly stronger green tops

ColorPure white bases with dark green tops

Size6-8 inches long, pencil-thick stems

Zone-by-Zone Planting Calendar

Zone	Indoor Start	Transplant	Direct Sow	Harvest
Zone 3	—	—	May – June	July – October
Zone 4	—	—	April – June	June – October
Zone 5	—	—	April – May	June – November
Zone 6	—	—	April – May	June – November
Zone 7	—	—	March – May	May – November
Zone 8	—	—	March – April	May – December
Zone 9	—	—	February – March	April – December
Zone 10	—	—	January – March	March – December

Complete Growing Guide

Soil: High Organic Matter, Loam (Silt), Sand. Drainage: Good Drainage. Height: 1 ft. 0 in. - 3 ft. 0 in.. Spread: 0 ft. 6 in. - 2 ft. 0 in.. Spacing: Less than 12 inches. Growth rate: Medium. Maintenance: Low. Propagation: Division. Regions: Coastal, Mountains, Piedmont.

Harvesting

The capsule splits longitudinally and contains small round black seeds.

Type: Capsule.

Bloom time: Spring, Summer

Storage & Preservation

Fresh Evergreen White Bunching Onions store best in the refrigerator wrapped in damp paper towels inside a plastic bag, maintaining quality for 1-2 weeks. Keep the white and green portions intact until use to maximize freshness. Avoid washing until ready to use.

For longer preservation, slice both white and green portions and freeze in ice cube trays with water or oil – perfect for dropping into soups and stir-fries. The texture changes but flavor remains excellent for cooking applications.

Dehydrate cleaned, sliced green tops in a food dehydrator or low oven (140°F) until crisp, then store in airtight containers for up to one year. These dried scallion greens make excellent seasoning for soups, dips, and spice blends.

Ferment whole small scallions in a 3% salt brine for 3-5 days at room temperature, then refrigerate. This creates a tangy, probiotic-rich garnish that pairs beautifully with Asian dishes.

History & Origin

Origin: Northern Hemisphere, North America and Eurasia

Advantages

+Disease resistance: Deer
+Low maintenance

Considerations

-Toxic (Bark, Flowers, Fruits, Leaves, Roots, Seeds, Stems): Low severity

Companion Plants

Plant Together

Carrots

Onions repel carrot flies while carrots help break up soil for onion root development

Tomatoes

Onions deter aphids, whiteflies, and hornworms that commonly attack tomatoes

Brassicas (Cabbage, Broccoli)

Onions repel cabbage worms, flea beetles, and other brassica pests

Lettuce

Onions provide pest protection without competing for space due to different growth habits

Strawberries

Onions deter slugs, aphids, and other soft-bodied pests that damage strawberry plants

Peppers

Onions repel aphids and spider mites while not competing for root space

Parsley

Both plants benefit from similar growing conditions and parsley attracts beneficial insects

Spinach

Onions provide pest protection and their vertical growth doesn't shade low-growing spinach

Keep Apart

Beans

Onions can inhibit bean growth and nitrogen fixation by interfering with beneficial root bacteria

Peas

Onions stunt pea growth and can reduce their ability to fix nitrogen effectively

Asparagus

Onions can inhibit asparagus spear development and overall plant vigor

Nutrition Facts

Calories

40kcal(2%)

Protein

1.1g(2%)

Fiber

1.7g(6%)

Carbs

9.34g(3%)

Fat

0.1g(0%)

Vitamin C

7.4mg(8%)

Vitamin A

0mcg(0%)

Vitamin K

0.4mcg(0%)

Iron

0.21mg(1%)

Calcium

23mg(2%)

Potassium

146mg(3%)

Per 100g serving. % Daily Value based on 2,000 calorie diet. Source: USDA FoodData Central (FDC #170000)

Pests & Disease Resistance

Resistance

Good resistance to most onion diseases, very hardy

Common Pests

Thrips, aphids, onion maggot

Diseases

Downy mildew, purple blotch (rarely serious)

Frequently Asked Questions

How long does it take for Evergreen White bunching onions to grow?▼

First harvest occurs 60-70 days from seed when plants reach 8-10 inches tall. After cutting, they regrow for reharvest in 3-4 weeks. As perennials, established plants provide continuous harvests for 3-5 years, becoming more productive each season as clumps multiply and expand.

Can you grow Evergreen White bunching onions in containers?▼

Yes, they excel in containers at least 8 inches deep and 12 inches wide. Use quality potting mix with compost, ensure drainage holes, and feed monthly with liquid fertilizer. Container plants need more frequent watering but offer easier harvest access and better pest control than ground plantings.

What do Evergreen White bunching onions taste like?▼

They offer a mild, sweet onion flavor with tender white bases and slightly more pungent green tops. The flavor is milder than regular bulb onions but more pronounced than chives, making them perfect for fresh eating in salads or as garnishes without overwhelming other ingredients.

When should I plant Evergreen White bunching onions?▼

Plant in early spring 2-3 weeks before last frost when soil reaches 50°F, or in late summer/early fall 8-10 weeks before first hard frost. Fall planting often produces stronger plants since they establish roots over winter and grow vigorously in spring.

Do Evergreen White bunching onions come back every year?▼

Yes, they're true perennials hardy in zones 3-9. Plants die back partially in winter but regrow from roots each spring. In mild climates, they remain semi-evergreen with harvestable foliage year-round. Clumps expand annually, providing increasingly larger harvests over time.

How do you divide Evergreen White bunching onion clumps?▼

Divide every 2-3 years in early spring before active growth begins. Dig entire clumps, gently separate individual plants with roots attached, and replant 4-6 inches apart with fresh compost. This prevents overcrowding, maintains vigorous growth, and provides new plants for expanding your harvest area.