How to Grow Red Orach

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Red Orach

Atriplex hortensis var. rubra

vegetable

Red Orach is a fast-growing leafy green with deep crimson to burgundy foliage and a mild, slightly tangy flavor. It's a cool-season crop that grows rapidly and is often used as a colorful salad green or cooked vegetable. This ornamental yet edible plant adds vibrant color to gardens and culinary dishes.

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Example Red Orach timeline · Pittsburgh, PA (Zone 6b)

  1. Plant Red Orach

    Around Apr 17

    Near Pittsburgh's average last spring frost.

  2. Tend & protect

    Late spring–summer

    Watering, feeding, and pest-watch reminders.

  3. Harvest Red Orach

    Around May 27

    ≈ 40 days after planting

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

Growing Conditions

☀️
Sun: Full sun, 6+ hours daily; tolerates partial shade in hot climates
💧
Water: Keep soil consistently moist but not waterlogged; water deeply 1-2 times per week depending on weather. Reduce watering in cool seasons.
📏
Spacing: 6 inches
📅
Days to maturity: 40-50
🌱
Planting depth: 0.25-0.5 inches

Soil

Type: Well-draining, fertile loamy soil
pH: 6.0-7.5
Amendments:
Compost Well-rotted manure Balanced organic fertilizer

Growing Zones

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Thrives in cool-season zones 3-8; can be grown year-round in mild climates

2a 2b 3a 3b 4a 4b 5a 5b 6a 6b 7a 7b 8a 8b 9a

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Growth Stages

1

Germination & Seedling

2-3 weeks

Seeds sprout in 5-10 days at cool temperatures (50-70°F). Tiny cotyledons emerge, followed by first true leaves with purple-red coloring visible.

Keep soil moist but well-draining. Thin seedlings to proper spacing when 1-2 inches tall. Provide bright light to prevent leggy growth.

2

Vegetative Growth

2-4 weeks

Rapid growth of deep red-burgundy leaves on sturdy stems. Plant becomes bushy and dense with minimal bolting tendency in cool weather.

Water consistently. Apply balanced fertilizer every 2-3 weeks or use compost layer. Pinch growing tips to encourage bushiness if desired.

3

Leaf Harvest

3-4 weeks or more

Outer leaves reach full size (3-4 inches long) with vibrant red coloring. Plant continues producing new leaves from the center.

Begin harvesting outer leaves when plants are 6-8 inches tall. Harvest regularly to encourage more leaf production and delay bolting.

4

Flowering & Bolting

Varies; accelerates in warm weather

Plant begins producing flower spikes with small greenish flowers. Leaves become tougher and may develop a more bitter flavor.

Most growers harvest before this stage. If saving seeds, allow plants to flower and set seed; otherwise, pull plants or continue harvesting young leaves.

Companion Planting

Plan your garden →

Plant with:

Avoid planting near:

Fennel Dill

Common Pests

  • Use row covers on young plants; apply neem oil or spinosad; dust with diatomaceous earth; encourage beneficial insects

  • Spray with strong water stream; use neem oil or insecticidal soap; introduce ladybugs; plant garlic or chives nearby

  • and

    Hand-pick in early morning; use copper barriers or tape; apply slug baits; encourage ground beetles

  • Use cutworm collars around seedlings; remove garden debris; apply Bacillus thuringiensis (Bt); encourage predatory insects

Uses

🍳

Colorful Salad Greens

Culinary

Red Orach's deep crimson leaves add striking visual appeal and a mild, slightly tangy flavor to fresh salads. Young tender leaves are best eaten raw, providing vibrant color and subtle taste to garden-fresh bowls. [source]

🍳

Cooked Green Vegetable

Culinary

Mature leaves can be cooked like spinach or chard in soups, stews, sautés, or side dishes. Cooking mellows the flavor and produces a tender, nutrient-rich vegetable similar to other amaranth family greens. [source]

🏠

Natural Food Dye

Household

The deep red-burgundy leaves contain natural pigments (betalains and anthocyanins) that can be extracted to create dyes for fabrics or food coloring. Traditionally used to add color to culinary dishes. [source]

💊

Nutritional Powerhouse

Medicinal

Red Orach is rich in vitamins A, C, and K, minerals, and antioxidants. It has been traditionally used to support overall health and digestion, though scientific studies on specific medicinal properties are limited. [source]

🎨

Ornamental Garden Accent

Craft

The striking deep red foliage makes Red Orach an attractive ornamental plant for landscape borders, containers, or mixed vegetable gardens. It's grown as much for visual beauty as for culinary use. [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 leaves when plants are 6-8 inches tall by pinching or cutting from the outside inward. Harvest frequently (every 3-5 days) to encourage continued production and maintain tender, flavorful leaves. Young leaves are most tender and vibrant; older leaves become tougher. Harvest in the morning for best flavor. Can harvest entire plant when mature (50 days) or continue as a cut-and-come-again crop. For best quality, harvest before temperatures exceed 75°F regularly.

Fun Facts

  • 🌱 Red Orach is a member of the amaranth family (Amaranthaceae) and is related to quinoa and beets, making it a nutritionally dense leafy green from a highly nutritious plant family.
  • 🌱 Despite its delicate appearance, Red Orach grows incredibly fast—often ready to harvest in just 4-6 weeks from planting, making it one of the quickest crops in the vegetable garden.
  • 🌱 The plant naturally thrives in cool weather and can tolerate light frosts, making it an excellent early spring and fall crop; it will bolt (flower) quickly if exposed to consistent heat above 75°F.

Gardening Terms

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

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