How to Grow Red Callaloo

iNaturalist

Red Callaloo

Amaranthus dubius

vegetable

Red Callaloo is a leafy green vegetable with deep burgundy stems and veins, popular in Caribbean and African cuisines. The tender leaves and young stems are highly nutritious and cook down significantly like spinach. It thrives in warm climates and produces continuously throughout the growing season.

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

  1. Plant Red Callaloo

    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 Callaloo

    Around May 17

    ≈ 30 days after planting

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

Growing Conditions

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Sun: Full sun, 6-8 hours daily (tolerates partial shade in very hot climates)
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Water: Consistent moisture; water deeply 2-3 times per week. Avoid waterlogging. Mulch to retain soil moisture and regulate temperature. More water needed in hot, dry conditions.
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Spacing: 12 inches
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Days to maturity: 30-50 days from planting to first harvest
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Planting depth: 0.25 inches (¼ inch); sow seeds directly or start transplants indoors

Soil

Type: Well-draining, fertile loamy soil rich in organic matter
pH: 6.0-7.0
Amendments:
Compost or aged manure Bone meal for phosphorus Balanced NPK fertilizer

Growing Zones

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Thrives in zones 9-12; grows as warm-season annual in cooler zones (frost-sensitive)

9a 9b 10a 10b 11a 11b 12a 12b

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Growth Stages

1

Germination & Seedling

7-14 days

Seeds sprout in 7-10 days in warm soil (70-80°F). Seedlings develop first true leaves; stems begin showing slight reddish tint.

Keep soil warm and consistently moist. Thin seedlings to 12 inches apart. Provide bright light to prevent leggy growth.

2

Vegetative Growth

2-3 weeks

Plant develops multiple stems with deeply red veins and burgundy coloring becoming more prominent. Leaves are tender and bright green with distinctive red pigmentation.

Regular watering is critical. Begin light fertilizing weekly with balanced fertilizer. Pinch off top growth to encourage bushier plant.

3

Leaf Production & Early Harvest

3-4 weeks

Plant becomes bushy and productive, 12-24 inches tall. Lower and outer leaves mature and are ready for harvest while top growth continues.

Begin harvesting outer leaves regularly to encourage continued production. Water consistently; feed every 7-10 days with diluted fertilizer.

4

Peak Production

4-8 weeks

Mature plant is full and leafy, producing continuous new growth. All stems and leaves are deeply colored and tender.

Harvest regularly (2-3 times per week) to maintain tenderness and prevent flowering. Continue consistent watering and feeding.

5

Flowering & Decline

Variable; stop at this stage for best flavor

If unharvested, plant sends up flowering spikes with small reddish flowers. Leaf quality declines as energy shifts to seed production.

For continuous greens, avoid letting plant flower. Pinch off flower buds or remove entire plant before flowering begins.

Companion Planting

Plan your garden →

Plant with:

Avoid planting near:

Fennel Brassicas (cabbage, broccoli, kale)

Common Pests

  • Spray leaves with water to dislodge; use neem oil or insecticidal soap. Increase humidity; ensure adequate watering.

  • Spray with strong water stream, insecticidal soap, or neem oil. Encourage beneficial insects like ladybugs.

  • Handpick larger caterpillars. Use Bt (Bacillus thuringiensis) spray for heavy infestations. Row covers for young plants.

  • Yellow sticky traps; spray with neem oil or insecticidal soap. Remove heavily infested leaves.

  • Use disease-resistant varieties if available; practice crop rotation. Solarize soil in affected areas.

Uses

🍳

Caribbean & African Cuisine

Culinary

Red Callaloo is a staple in Caribbean cooking, particularly in Jamaica, Trinidad, and other islands. The leaves and stems are cooked down with garlic, onions, and spices, or added to soups and stews. [source]

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Nutritious Leafy Green

Culinary

Rich in iron, calcium, vitamins A and C, and antioxidants. Can be sautéed as a side dish, added to smoothies when raw and tender, or incorporated into omelets and grain bowls. [source]

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Traditional Medicine & Nutrition

Medicinal

Used in traditional medicine systems for general wellness and blood health due to high iron content. Consumed fresh or cooked for digestive and nutritional benefits. [source]

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Natural Dye

Household

The deep red-burgundy stems and veins can produce natural dyes for fabrics and plant materials, particularly in shades of red and burgundy. [source]

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Pollinator & Bird Support

Wildlife

If allowed to flower, small flowers attract pollinators. Birds enjoy the seeds if plants are left to mature. [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 and lower leaves when plant is 8-12 inches tall, about 30-40 days after planting. Pinch off leaves and tender stem tips regularly (2-3 times weekly) to encourage bushiness and continued production. Harvest in the morning when leaves are crisp. Continue harvesting until plant flowers or frost threatens. Young, tender leaves have the best flavor and texture.

Fun Facts

  • 🌱 Red Callaloo is a relative of grain amaranth and is closely related to the ornamental amaranth plant; the entire Amaranthus genus has been used as food for thousands of years in Africa and the Americas.
  • 🌱 The name 'callaloo' comes from West African origins and refers to various leafy greens in Caribbean cuisine; red callaloo is sometimes called 'Jamaican spinach' though it's botanically distinct from true spinach.
  • 🌱 The plant's deep red pigmentation comes from betalains and anthocyanins, the same compounds responsible for the color in beets and red cabbage, making it both beautiful and nutrient-dense.

Gardening Terms

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