How to Grow Ami Ami

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Ami Ami

Apium graveolens var. graveolens

vegetable

Ami Ami is a Japanese heirloom celery variety known for its tender, sweet stalks and mild flavor. It grows as a compact plant with thin, delicate stems that are prized for both fresh eating and cooking.

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Example Ami Ami timeline · Pittsburgh, PA (Zone 6b)

  1. Plant Ami Ami

    Around Apr 17

    Near Pittsburgh's average last spring frost.

  2. Tend & protect

    Late spring–summer

    Watering, feeding, and pest-watch reminders.

  3. Harvest Ami Ami

    Around Jul 11

    ≈ 85 days after planting

Sample dates for Pittsburgh, PA. Sign up to get exact Ami Ami dates for your own zip code.

Growing Conditions

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Sun: Full sun, 6-8 hours daily; tolerates partial shade in hot climates
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Water: Consistent moisture; keep soil evenly moist (1-1.5 inches per week). Water deeply and regularly; celery is 95% water and wilts quickly if dry
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Spacing: 6-8 inches
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Days to maturity: 85-100
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Planting depth: 1/4 inch; seeds are tiny; sow on soil surface and lightly press in

Soil

Type: Rich, moisture-retentive loamy soil with organic matter
pH: 6.0-7.0
Amendments:
compost well-rotted manure peat moss or coco coir

Growing Zones

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Thrives in zones 4-8; grows as cool-season crop in warmer zones

3a 3b 4a 4b 5a 5b 6a 6b 7a 7b 8a 8b 9a

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Growth Stages

1

Seedling

2-3 weeks

Tiny, feathery cotyledons emerge; plants are delicate with threadlike stems

Keep soil consistently moist; maintain temps 65-75°F; provide bottom heat (70°F) to aid germination; use grow lights if indoors

2

Vegetative Growth

4-6 weeks

First true leaves develop; plant grows slowly, forming a rosette base with thin green foliage

Thin seedlings to proper spacing; begin fertilizing with balanced fertilizer every 2 weeks; maintain consistent moisture and cool temps

3

Stalk Development

4-6 weeks

Plant forms multiple tender, elongating stalks (petioles) extending from the center; leaves become more prominent

Continue regular watering and monthly fertilizing with nitrogen-rich fertilizer; keep soil consistently moist; mound soil around base to blanch stalks if desired for whiter, milder flavor

4

Maturity

2-4 weeks

Stalks reach full length (12-18 inches tall), becoming crisp and tender; plant may begin bolting if exposed to prolonged heat

Monitor for bolting (flower stalk formation); harvest regularly to encourage continued production; provide afternoon shade in hot climates to prevent premature bolting

5

Harvest & Post-Harvest

2-8 weeks (harvest window)

Stalks ready for cutting; older outer stalks may be tougher; plant slowly declines after extended harvesting

Cut outer stalks first, leaving inner ones to continue growing; harvest in early morning for crispest texture; use immediately or store in refrigerator

Companion Planting

Plan your garden →

Plant with:

Avoid planting near:

fennel parsnip potato

Common Pests

  • Hand-pick caterpillars; use Bacillus thuringiensis (Bt) spray; encourage parasitic wasps

  • Use floating row covers; spray neem oil or insecticidal soap; remove weeds nearby that harbor bugs

  • Use fine mesh row covers; intercrop with onion or carrot; thin seedlings to reduce damage

  • Increase humidity; spray with water to dislodge; use neem oil or insecticidal soap if severe

  • and

    Remove debris; use beer traps or copper barriers; hand-pick at night; apply food-grade diatomaceous earth

Uses

🍳

Fresh Eating & Salads

Culinary

Ami Ami's tender, sweet stalks are excellent eaten raw in salads, on crudités platters, or as a snack with dips. The mild flavor and delicate texture make it particularly appealing compared to standard celery varieties. [source]

🍳

Cooking & Broths

Culinary

Use stalks and leaves in soups, stir-fries, stews, and vegetable broths. Japanese cuisine traditionally uses Ami Ami in miso soups and as a flavoring component in dashi-based dishes. [source]

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Traditional Medicine & Wellness

Medicinal

Celery has been used traditionally to support digestion, reduce inflammation, and promote circulation. The seeds contain compounds that may help with blood pressure regulation. [source]

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Juice & Wellness Beverages

Household

Fresh celery juice has become popular in wellness practices. Ami Ami's tender stalks are particularly suitable for juicing, yielding sweet, mild juice that blends well with other vegetables. [source]

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Pollinator & Beneficial Insect Support

Wildlife

If allowed to bolt and flower, Ami Ami produces small white/pale green flowers that attract beneficial insects, pollinators, and beneficial parasitic wasps that control garden pests. [source]

This is not medical advice. LizPlants is not a medical resource. Always consult a qualified healthcare professional before using plants medicinally.

Harvest Tips

Begin harvesting outer stalks when plants are 6-8 inches tall (about 60-70 days). Cut stalks near the base with a sharp knife or snap them off by bending back. Harvest in early morning for maximum crispness and water content. For blanched stalks (whiter, milder flavor), mound soil around the plant 3 weeks before harvest. Continuous harvesting encourages more stalk production. The entire plant is edible, including leaves (use in salads or as garnish) and roots (for stock or medicinal use).

Fun Facts

  • 🌱 Ami Ami is a Japanese heirloom variety that has been cultivated for centuries and is prized in Japanese cuisine for its tender, sweet flavor and delicate stalks.
  • 🌱 Celery is 95% water, making it an extremely hydrating vegetable and one of the lowest-calorie foods you can eat—just 6 calories per stalk!
  • 🌱 The name 'Ami' is Japanese and refers to friendship or companionship, reflecting the variety's role as a cherished heirloom passed down through generations of Japanese gardeners.

Gardening Terms

New to gardening? Learn about terms used in this guide:

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