How to Grow Callaloo Red

iNaturalist

Callaloo Red

Amaranthus cruentus

vegetable

Callaloo Red is a heat-loving leafy green with deep burgundy-red stems and veining, prized in Caribbean and African cuisines. The tender leaves and young stems are rich in iron, calcium, and vitamins, making it both nutritious and flavorful. It thrives in warm climates and produces abundantly throughout the growing season.

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

  1. Plant Callaloo Red

    Around Apr 17

    Near Pittsburgh's average last spring frost.

  2. Tend & protect

    Late spring–summer

    Watering, feeding, and pest-watch reminders.

  3. Harvest Callaloo Red

    Around Jun 6

    ≈ 50 days after planting

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

Growing Conditions

☀️
Sun: Full sun, 6-8 hours daily
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Water: Consistent moisture; water deeply 1-2 times weekly. Reduce watering slightly once established. Drought-tolerant once mature but produces better with regular watering.
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Spacing: 12-18 inches
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Days to maturity: 50-70 days for first harvest, 90-120 for full maturity
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Planting depth: 0.25-0.5 inches

Soil

Type: Well-draining, fertile loamy soil
pH: 6.0-7.0
Amendments:
Compost organic matter nitrogen-rich fertilizer

Growing Zones

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Thrives in zones 9-11; can be grown as a warm-season annual in zones 5-8

9a 9b 10a 10b 11a 11b

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Growth Stages

1

Seedling

2-3 weeks

Small plants with 2-4 true leaves, thin stems, minimal red coloring

Keep soil consistently moist but not waterlogged. Thin seedlings to proper spacing once 2-3 inches tall. Provide bright light.

2

Vegetative Growth

3-4 weeks

Rapid stem and leaf development with increasing red pigmentation in stems and veins; 8-12 inches tall

Begin regular fertilizing with balanced or nitrogen-rich fertilizer every 2-3 weeks. Pinch growing tips to encourage bushier growth if desired. Maintain consistent moisture.

3

Leaf Production

4-6 weeks

Dense foliage with prominent red-veined leaves ready for harvest; plant reaches 18-30 inches

Begin harvesting outer leaves regularly to stimulate continued production. Keep soil moist and provide regular fertilizer applications. Monitor for pests.

4

Flowering

2-4 weeks

Small red or burgundy flower spikes appear at stem tips as plant matures

Continue harvesting leaves before flowering, as this extends the productive period. Remove flower buds to encourage leaf production or allow for seed saving.

5

Seed Production

3-4 weeks

Flowers mature into seed heads containing hundreds of small black seeds

Allow flower spikes to dry on the plant if saving seeds. Cut entire heads into a paper bag to collect seeds. Dry seeds completely before storage.

Companion Planting

Plan your garden →

Plant with:

Avoid planting near:

brassicas (cabbage, broccoli) fennel chard

Common Pests

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

  • Increase humidity by misting; apply neem oil or sulfur spray; ensure adequate watering to reduce stress

  • Use row covers on young plants; apply diatomaceous earth; neem oil sprays; encourage predatory insects

  • Hand-pick; use Bacillus thuringiensis (Bt); encourage parasitic wasps and birds

Uses

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Caribbean & African Cooking

Culinary

Callaloo Red is a staple ingredient in Caribbean dishes like callaloo soup and stew, and African cuisine. The tender leaves and stems are cooked similarly to spinach and have a slightly earthy, nutty flavor with mild bitterness. [source]

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Fresh Salads & Raw Preparations

Culinary

Young, tender leaves can be eaten raw in salads for a visually striking deep-red presentation. The mild flavor and pleasant texture make it suitable for fresh applications when young. [source]

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Iron & Mineral Supplementation

Medicinal

Callaloo Red is exceptionally rich in bioavailable iron, calcium, and magnesium, making it valuable for addressing nutritional deficiencies. Traditional medicine systems use it to support blood health and boost energy. [source]

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Antioxidant Benefits

Medicinal

The deep red pigmentation indicates high levels of betalains and polyphenols, powerful antioxidants that support overall health. These compounds have been studied for anti-inflammatory and protective effects. [source]

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Natural Food Dye

Household

The vibrant red stems and veins can be used to create natural dyes for textiles and foods. The pigments are food-safe and produce red to burgundy hues. [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 8-12 inches tall, typically 50-60 days after planting. Harvest regularly (2-3 times per week) to encourage bushy growth and continuous production. Pinch or cut leaves and upper stems, leaving at least 6-8 inches of plant for regrowth. Young leaves (3-5 inches) are most tender; harvest in the morning for best flavor. Continue harvesting throughout the warm season until flowering intensifies or frost arrives.

Fun Facts

  • 🌱 Callaloo Red is one of the oldest cultivated crops in the world, with amaranth species used by Aztec civilizations over 8,000 years ago as both food and ceremonial dye.
  • 🌱 A single mature plant can produce thousands of tiny seeds, and callaloo has been investigated as a drought-resistant, nutrient-dense crop for food security in developing nations.
  • 🌱 The plant's red pigmentation deepens with increased sun exposure and cooler (but still warm) temperatures, making it more vibrant in ideal growing conditions.

Gardening Terms

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

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