How to Grow Ruby Mound

Wikimedia Commons

Ruby Mound

Atriplex hortensis var. rubra

vegetable

Ruby Mound is an ornamental-edible variety of garden orach with striking deep red to burgundy foliage that forms a compact, bushy mound. It combines stunning visual appeal with mild, spinach-like edible leaves that are excellent for salads and garnishes. This heat-tolerant plant grows quickly and adds dramatic color to both vegetable gardens and ornamental landscapes.

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Example Ruby Mound timeline · Pittsburgh, PA (Zone 6b)

  1. Plant Ruby Mound

    Around Apr 17

    Near Pittsburgh's average last spring frost.

  2. Tend & protect

    Late spring–summer

    Watering, feeding, and pest-watch reminders.

  3. Harvest Ruby Mound

    Around May 17

    ≈ 30 days after planting

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

Growing Conditions

☀️
Sun: Full sun, 6+ hours daily; tolerates partial shade
💧
Water: Keep soil consistently moist but not waterlogged. Water deeply 1-2 times weekly depending on temperature. Increase frequency during hot weather. Drought stress will cause early bolting.
📏
Spacing: 9-12 inches apart; thin seedlings to this spacing inches
📅
Days to maturity: 30-50 days from planting to harvestable size
🌱
Planting depth: 0.5 inches; direct sow seeds or transplant seedlings

Soil

Type: Well-draining loamy soil
pH: 6.0-7.5
Amendments:
Compost Balanced fertilizer (10-10-10) Peat moss or coir for moisture retention

Growing Zones

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Thrives in zones 2-10; prefers cooler seasons but heat-tolerant compared to spinach

2a 2b 3a 3b 4a 4b 5a 5b 6a 6b 7a 7b 8a 8b 9a 9b 10a 10b

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Growth Stages

1

Seedling

7-10 days

Tiny red-tinged cotyledons emerge, followed by first true leaves with reddish coloring. Plants are delicate and vulnerable.

Keep soil moist. Thin seedlings when 2 inches tall. Protect from strong wind and direct intense heat. Provide gentle airflow to prevent damping off.

2

Vegetative Growth

2-3 weeks

Rapidly develops multiple stems with increasingly deep red foliage. Leaves become larger and more prominent. Plant forms its characteristic mounded shape.

Thin to proper spacing. Keep consistently watered. Begin light harvesting of outer leaves once plant is 4-6 inches tall. Fertilize weekly with balanced fertilizer if soil is poor.

3

Leaf Production Peak

2-4 weeks

Plant reaches mature size with full burgundy coloration. Maximum leaf production occurs. Foliage is tender and most flavorful.

Continue regular harvesting of outer leaves to encourage bushier growth and delay bolting. Maintain consistent moisture. Monitor for pests.

4

Bolting

1-2 weeks before full bolting

Plant sends up a central flower spike with tiny reddish-purple flowers. Leaves become tougher and may develop bitter flavor. Growth slows.

Pinch off flower spikes to extend harvest life, though this only delays bolting. Plant is nearing end of prime productivity. Consider succession planting in cool seasons.

5

Senescence

2+ weeks

Plant fully flowers and sets seed. Leaves lose quality and flavor. Growth stops entirely.

Harvest has largely ceased. Leave plants to set seeds if desired for self-seeding next season, or remove and compost.

Companion Planting

Plan your garden →

Plant with:

Avoid planting near:

Fennel Dill Cilantro (may bolt faster together in heat)

Common Pests

  • Spray with water to dislodge; use insecticidal soap or neem oil; encourage beneficial insects like ladybugs

  • Use floating row covers on young plants; spray with neem oil or spinosad; apply diatomaceous earth around base

  • Hand-pick if few; use Bt (Bacillus thuringiensis); encourage parasitic wasps

  • Increase humidity; spray with water; use miticide if severe; improve air circulation

  • and

    Hand-pick at dusk; use beer traps; apply copper tape around planting beds; encourage ground beetles

Uses

🍳

Salad Greens & Garnish

Culinary

Young, tender leaves add color and mild flavor to fresh salads, with a slightly nutty taste. Excellent as a decorative garnish for plated dishes. The striking red color persists through light cooking. [source]

🍳

Cooked Greens

Culinary

Mature leaves can be steamed, sautéed, or added to soups like spinach. Cooking reduces any mineral notes and brings out a subtle sweetness. Retains its beautiful color even after cooking. [source]

🏠

Natural Dye Source

Household

Ruby Mound leaves have been historically used to create red and purple dyes for fabrics and foods. The deep red pigmentation (due to betalains and anthocyanins) makes it valuable for natural dye production. [source]

🍳

Microgreens Production

Culinary

Orach seeds germinate quickly and produce flavorful, colorful microgreens in 10-14 days. These tiny shoots have intense flavor and dramatic burgundy color for restaurant-quality plating. [source]

🦋

Pollinator & Bird Food

Wildlife

When allowed to flower and set seed, Ruby Mound attracts bees and other pollinators. The mature seeds are eaten by finches and other seed-eating birds, supporting local wildlife. [source]

Harvest Tips

Begin harvesting outer leaves when plant is 4-6 inches tall by pinching or cutting with scissors. Harvest regularly (every 2-3 days) to encourage new growth and delay bolting. Leaves are most tender in early morning. Can cut entire outer section, leaving central growing point intact. Young leaves are mildest; older leaves may develop slightly mineral flavor. Once plant bolts, quality declines rapidly. Best harvested in spring and fall; plant tends to bolt quickly in peak summer heat.

Fun Facts

  • 🌱 Ruby Mound is also known as 'mountain spinach' or 'French spinach,' and has been cultivated since ancient times in the Mediterranean region. It was prized by Victorian gardeners for its ornamental foliage.
  • 🌱 Unlike spinach, orach is extremely heat-tolerant and actually prefers to be harvested before spinach bolts in summer, making it a valuable warm-season salad green in temperate climates.
  • 🌱 The deep red color in Ruby Mound leaves comes from betalain and anthocyanin pigments, the same compounds found in beets and red cabbage, which provide antioxidant health benefits.

Gardening Terms

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

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