Amaranth Greens
VegetablesLeafy GreensBeginner Friendly

Amaranth Greens

Amaranthus tricolor

At a Glance

SunlightFull Sun (6-8h+)
Water NeedMedium (even moisture)
Frost ToleranceTender (no frost)
Days to Maturity40 days
Plant Spacing20cm (8″)
Hardiness ZonesZone 5–12
DifficultyBeginner Friendly
Expected Yield200-500g

It's planting season for Amaranth Greens! Start planning your garden now.

A heat-loving leaf vegetable with stunning red, green, and gold foliage that thrives in hot summer conditions when other greens struggle. Amaranth greens are a staple in many tropical cuisines and are packed with iron, calcium, and vitamins A and C. The young leaves and tender stems cook similarly to spinach but hold up better to heat without becoming slimy. Grow as a summer spinach substitute and harvest by cutting the top several inches of growth for continuous production.

Planting & Harvest Calendar

🌱Plant Now!
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PlantingHarvestYou are here40 days to maturity

Growth Stages

From Seed to Harvest

Amaranth Greens - Germination

Germination

Days 0–14

Tiny seeds sprout on the soil surface within 7-14 days when temperatures are warm. The minuscule seedlings emerge with small, rounded cotyledons that are often tinged pink or red depending on variety. Seeds require light to germinate and should not be covered with soil.

💡 Care Tip

Keep the soil surface consistently moist with a fine mist spray — the tiny seeds dry out rapidly. Do not cover seeds with soil; they need light. A soil temperature of at least 18°C (65°F) is essential for reliable germination.

Young amaranth seedling with small rounded cotyledons emerging from warm soil

Amaranth seedlings emerge quickly in warm soil, showing tiny rounded seed leaves

Monthly Care Calendar

What to do each month for your Amaranth Greens

May

You are here

Primary outdoor planting month for most zones. Direct-sow seeds on the soil surface after all frost danger has passed. Thin seedlings as they emerge. Transplant indoor-started seedlings. Apply a thin layer of fine mulch once seedlings are established.

Did You Know?

Fascinating facts about Amaranth Greens

Amaranth was a sacred crop of the Aztec empire, who called it 'huauhtli' and cultivated it as extensively as maize and beans. The Aztecs used amaranth grain mixed with honey and sometimes human blood to form ritual figurines during religious ceremonies — a practice that led Spanish conquistadors to ban its cultivation for over 400 years.

Direct sow amaranth seeds on the soil surface after all frost danger has passed and soil reaches 65°F. Seeds need light to germinate and sprout in 7-14 days. Thin to 12-18 inches apart for leaf harvest or 4-6 inches for dense baby greens. Amaranth can also be started indoors 4-6 weeks before last frost.

Amaranth thrives in hot weather and grows vigorously in conditions that stress most greens. It tolerates drought, heat above 90°F, and poor soil. Provide full sun for best growth and color development. Water moderately once established. Feed with balanced fertilizer monthly for maximum leaf production.

For leaf harvest, pinch growing tips regularly to encourage branching and delay flowering. Plants can grow 3-6 feet tall depending on variety. Begin harvesting young leaves when plants reach 8-12 inches. If also growing for grain, allow plants to flower and set seed in late summer.

Rows of amaranth greens growing in a sunny summer garden bed

Amaranth thriving in full sun during the hottest weeks of summer

Amaranth (genus Amaranthus) originated in the Americas, with the greatest diversity of wild species found in Mexico and Central America. Archaeological evidence shows that amaranth grain was domesticated by indigenous peoples of Mesoamerica between 6,000 and 8,000 years ago, making it one of the oldest cultivated crops in the New World. The Aztec civilization elevated amaranth to a sacred status alongside maize and beans, with the grain comprising an estimated 80% of their caloric intake during some periods. Aztec farmers paid annual tributes of amaranth to the emperor Montezuma — over 200,000 bushels per year from conquered provinces.

The Spanish conquest of Mexico in the 16th century nearly destroyed amaranth cultivation entirely. The Aztec practice of mixing amaranth with honey and forming it into figures for religious ceremonies alarmed Spanish priests, who associated the practice with pagan rituals and specifically banned amaranth growing. This suppression lasted for centuries and pushed amaranth to the margins of agriculture in the Americas. However, the plant survived in small mountain communities and as a foraged green throughout Latin America.

Meanwhile, amaranth had already spread to Asia and Africa through pre-Columbian trade routes and later through Portuguese and Spanish colonial networks. In India, China, Southeast Asia, and across tropical Africa, amaranth greens became a dietary staple, valued for their ability to grow in poor soil, withstand heat and drought, and provide exceptional nutrition. The leafy varieties (Amaranthus tricolor, A. dubius, A. cruentus) became the primary cultivated forms in these regions, prized for their colorful foliage and spinach-like cooking qualities. In the Caribbean, African slaves brought their knowledge of amaranth cultivation, and callaloo — a soup made from amaranth greens — became a defining dish of Caribbean cuisine.

The late 20th century saw a revival of interest in amaranth in the West, driven by the health food movement and research into its exceptional nutritional profile. Today, amaranth is grown commercially across India, China, East Africa, and the Americas for both greens and grain. It is increasingly recognized as a climate-resilient crop capable of feeding populations in regions where rising temperatures threaten traditional agriculture.

Sow seeds on the soil surface after last frost when soil reaches 65°F. Seeds need light to germinate; do not cover. Germination takes 7-14 days. For an earlier start, begin indoors 4-6 weeks before last frost. Thin to 12-18 inches for leaf harvest. Seeds are very small; mix with sand for even distribution. Succession sow every 3-4 weeks. Seeds remain viable for 4-5 years.

Amaranth grows in almost any soil but produces best in fertile, well-drained soil with a pH of 6.0-7.5. It tolerates poor soil, drought, and heat better than most crops. Work in compost before planting and apply balanced fertilizer monthly for leaf production. Avoid overly wet conditions, which promote root rot. The deep taproot accesses nutrients that shallow-rooted crops cannot reach.

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Ideal (zones 5-12)Greenhouse / protection neededNot recommended

Check Your Zone

See if Amaranth Greens is suitable for your location.

25°C – 35°C

77°F – 95°F

0°C15°C30°C45°C

Amaranth is a true heat-loving crop that thrives in conditions too hot for most greens. Growth is minimal below 15°C (60°F) and frost kills plants outright. Seeds will not germinate in soil below 18°C (65°F). The optimal range for vigorous leaf production is 25-35°C (77-95°F), and amaranth continues to perform well even above 38°C (100°F) when lettuce, spinach, and other cool-season greens have long since bolted. This makes amaranth the ideal summer spinach substitute in hot climates.

Common issues affecting Amaranth Greens and how to prevent and treat them organically.

Self-seeding can be aggressive; remove spent flower heads before seeds scatter. Tall varieties may need staking in windy locations. Leaf quality declines once the plant flowers; pinch flower buds for extended leaf harvest. Slow growth in cool weather; do not plant until soil is warm. Some varieties can reach 6 feet or taller, which may shade neighboring crops.

Amaranth Greens
Grows well with

Amaranth grows well with corn, beans, and squash in traditional companion planting schemes. Its height provides shade for heat-sensitive lettuce below. The flowers attract beneficial pollinators and predatory insects. Avoid planting near smaller crops that could be overshadowed. The deep taproot helps break up compacted soil.

  • 1Do not cover seeds with soil. Amaranth seeds are among the tiniest of any garden vegetable and require light to germinate. Simply press seeds gently onto the moist soil surface or sprinkle a bare dusting of fine vermiculite over them.
  • 2Wait for genuine warmth before planting. Amaranth planted in cool soil below 18°C (65°F) will either fail to germinate or produce stunted seedlings that never recover. Patience until late spring pays off with explosive summer growth.
  • 3Pinch growing tips early and often. Once plants reach 20-25 cm tall, pinch the main growing tip to force branching. Each branch then produces its own growing tip for harvest, multiplying your yield dramatically.
  • 4Grow amaranth as a summer spinach substitute. When lettuce bolts and spinach fails in the heat, amaranth is just hitting its stride. Plant it specifically to fill the midsummer greens gap in your garden.
  • 5Harvest by cutting the top 10-15 cm of each shoot, leaving at least 3-4 leaf nodes below the cut for regrowth. New side shoots emerge within days and are ready for the next harvest in 7-10 days.
  • 6Control self-seeding proactively. A single amaranth plant can produce hundreds of thousands of seeds. Remove flower heads before seeds mature unless you want amaranth volunteers throughout your garden for years to come.
  • 7Use amaranth as a beneficial companion plant. Its height provides afternoon shade for heat-sensitive crops planted to its east side, and the flowers attract pollinators and predatory insects that benefit the entire garden.
  • 8Succession sow every 3-4 weeks from late spring through midsummer for a continuous supply of tender baby greens. Dense sowings harvested young as baby greens produce the mildest, most tender leaves.

Begin harvesting amaranth leaves when plants are 8-12 inches tall, about 40-50 days from sowing. Pick individual young leaves or cut entire young plants for baby greens. For continued harvest, pinch growing tips and harvest side shoots as they develop. Young leaves are most tender and mild. Older leaves should be cooked. For grain harvest, allow seed heads to dry on the plant before threshing.

Freshly harvested bundle of amaranth greens with vibrant leaves

A fresh harvest of tender amaranth leaves ready for the kitchen

Store fresh amaranth leaves in a plastic bag in the refrigerator for 3-5 days. Blanch and freeze for up to 8 months for use in cooked dishes. Dehydrate leaves and crumble for a nutritious addition to soups and smoothies. Dried amaranth grain stores for years in airtight containers. Fresh leaves can be pureed and frozen in ice cube trays for adding to recipes.

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Nutritional Info

Per 100g serving

23

Calories

Vitamin C43mg (48% DV)
Vitamin A2917 IU (58% DV)
Potassium611mg (17% DV)
Fiber2.1g (8% DV)

Health Benefits

  • Exceptionally rich in vitamin A (as beta-carotene), providing 58% of the daily value per 100g — essential for eye health, immune function, and skin integrity
  • Outstanding source of vitamin C at 48% of the daily value per 100g, supporting collagen synthesis, iron absorption, and antioxidant defense
  • One of the highest plant sources of calcium among leafy greens, providing approximately 215mg per 100g (17% DV) — comparable to dairy for those who are lactose intolerant
  • Rich in iron at 2.3mg per 100g (13% DV), with the vitamin C content enhancing non-heme iron absorption significantly
  • Contains high levels of folate (B9), manganese, and magnesium — key nutrients for energy metabolism, bone health, and nervous system function
  • The deep red and purple pigments are anthocyanins and betalains, potent antioxidants linked to reduced inflammation and cardiovascular protection

💰 Why Grow Your Own?

Amaranth greens sell for $4-8 per bunch at farmers markets and specialty grocery stores, and are often unavailable in mainstream supermarkets. A single $2-3 seed packet contains hundreds of seeds — enough to plant a generous bed that produces greens all summer. Growing 10-15 plants can easily yield $50-100 worth of greens over the season. The savings are even greater if you value the organic, pesticide-free quality that is difficult to find commercially, and the fact that amaranth fills the summer gap when spinach and lettuce are unavailable from the garden.

Close-up of amaranth leaves showing deep red and green coloration

The striking leaf coloration of red amaranth — rich in anthocyanins and beta-carotene

Quick Recipes

Simple recipes using fresh Amaranth Greens

Garlic Stir-Fried Amaranth Greens

Garlic Stir-Fried Amaranth Greens

10 min

A classic Asian preparation where tender amaranth leaves and stems are flash-cooked in a hot wok with garlic and a splash of soy sauce. The high heat wilts the greens quickly while preserving their vibrant color and nutrients. Ready in under five minutes of cooking.

Caribbean Callaloo Soup

Caribbean Callaloo Soup

40 min

A rich, creamy Caribbean soup where amaranth greens are simmered with coconut milk, onion, garlic, and Scotch bonnet pepper. This nourishing one-pot meal is a staple across the Caribbean islands and is often served with rice or crusty bread.

Indian Amaranth Saag with Paneer

30 min

A nutritious twist on the classic North Indian saag paneer, using amaranth greens in place of spinach. The greens are blanched, pureed with aromatics, and simmered with cubes of golden pan-fried paneer cheese for a protein-rich vegetarian main dish.

Amaranth greens stir-fried with garlic in a wok

Quick garlic stir-fry — the most popular way to cook amaranth greens across Asia

Yield & Spacing Calculator

See how many Amaranth Greens plants fit in your garden bed based on the recommended 20cm spacing.

36

Amaranth Greens plants in a 4×4 ft bed

6 columns × 6 rows at 20cm spacing

Popular Varieties

Some of the most popular amaranth greens varieties for home gardeners, each with unique characteristics.

Red Leaf Amaranth

Striking deep red-purple foliage with excellent flavor. Dual-purpose for both leaves and ornamental value.

Callaloo

Caribbean variety grown specifically for leaves. Vigorous, upright growth with mild spinach-like flavor.

Love Lies Bleeding

Dramatic cascading red flower tassels with edible leaves and seeds. Outstanding ornamental variety.

Golden Giant

Tall variety grown primarily for grain production. Large golden seed heads. Leaves also edible when young.

Use young amaranth leaves as a spinach substitute in any cooked recipe. Popular in Caribbean callaloo soup and Indian saag. Stir-fry with garlic, ginger, and soy sauce. Add to soups, stews, and curries. Blanch and use in quiches, pasta, and fillings. The seeds can be popped like tiny popcorn or ground into flour for gluten-free baking.

When should I plant Amaranth Greens?

Plant Amaranth Greens in May, June. It takes approximately 40 days to reach maturity, with harvest typically in July, August, September.

What are good companion plants for Amaranth Greens?

Amaranth Greens grows well alongside Corn, Tomato, Basil. Companion planting can improve growth, flavor, and natural pest control.

What hardiness zones can Amaranth Greens grow in?

Amaranth Greens thrives in USDA hardiness zones 5 through 12. With greenhouse protection, it may be grown in zones 3 through 13.

How much sun does Amaranth Greens need?

Amaranth Greens requires Full Sun (6-8h+). This means at least 6-8 hours of direct sunlight daily.

How far apart should I space Amaranth Greens?

Space Amaranth Greens plants 20cm (8 inches) apart for optimal growth and air circulation.

What pests and diseases affect Amaranth Greens?

Common issues include Leaf Spot, Aphids, Stem Weevil. Prevention through good garden practices like crop rotation, proper spacing, and companion planting is the best approach. See the detailed pests and diseases section above for symptoms, prevention, and treatment for each.

How do I store Amaranth Greens after harvest?

Store fresh amaranth leaves in a plastic bag in the refrigerator for 3-5 days. Blanch and freeze for up to 8 months for use in cooked dishes. Dehydrate leaves and crumble for a nutritious addition to soups and smoothies. Dried amaranth grain stores for years in airtight containers. Fresh leaves can ...

What are the best Amaranth Greens varieties to grow?

Popular varieties include Red Leaf Amaranth, Callaloo, Love Lies Bleeding, Golden Giant. Each has unique characteristics suited to different growing conditions and culinary preferences. See the varieties section above for detailed descriptions.

What soil does Amaranth Greens need?

Amaranth grows in almost any soil but produces best in fertile, well-drained soil with a pH of 6.0-7.5. It tolerates poor soil, drought, and heat better than most crops. Work in compost before planting and apply balanced fertilizer monthly for leaf production. Avoid overly wet conditions, which prom...

Is amaranth the same as the weed called pigweed?

Yes — several wild amaranth species (especially Amaranthus retroflexus and A. palmeri) are commonly called pigweed and are indeed agricultural weeds. However, cultivated amaranth varieties like Amaranthus tricolor (for greens) and A. cruentus (for grain) have been selectively bred for thousands of years for flavor, nutrition, and leaf quality. Wild pigweed is also edible when young, but cultivated varieties are far superior in taste, tenderness, and visual appeal.

Can I eat amaranth greens raw, or do they need to be cooked?

Young, tender amaranth leaves can be eaten raw in salads and are mild and pleasant. However, like spinach, amaranth contains oxalic acid which can interfere with calcium absorption and may contribute to kidney stones in susceptible individuals if consumed raw in very large quantities. Cooking (blanching, steaming, or sauteing) significantly reduces oxalate levels. Most culinary traditions cook amaranth greens rather than eating them raw.

Why did my amaranth bolt and flower so quickly?

Amaranth is a short-day plant that is triggered to flower by decreasing day length, typically as summer transitions to autumn. However, stress factors can accelerate flowering — including drought, nutrient deficiency, root disturbance during transplanting, and overcrowding. To delay flowering, keep plants well-watered and fed, harvest regularly to remove developing flower buds, and pinch growing tips to promote vegetative branching rather than reproductive growth.

Are the seeds of leaf amaranth also edible as grain?

Yes, all amaranth species produce edible seeds. However, varieties bred for greens (like Amaranthus tricolor) produce smaller seed heads with lower grain yields than dedicated grain varieties (like A. cruentus or A. hypochondriacus). If you want both greens and grain, grow a dual-purpose variety like Red Garnet or grow separate plantings — harvesting leaves from some plants and allowing others to flower and set seed for grain harvest.

How does amaranth compare nutritionally to spinach?

Amaranth greens are nutritionally comparable to or superior to spinach in several key areas. They contain significantly more vitamin A (58% DV vs. 47% DV per 100g), more vitamin C (48% DV vs. 28% DV), and comparable calcium and iron levels. Amaranth also contains higher levels of certain antioxidants, particularly anthocyanins in red-leaved varieties. The major practical advantage is that amaranth thrives in hot summer conditions when spinach bolts and becomes bitter, providing a nutritional substitute during the warmest months.

Will amaranth grow in partial shade?

Amaranth can survive in partial shade (4-6 hours of direct sun) but will produce significantly fewer leaves, develop leggy growth, and show less vibrant foliage coloration. For the best yields and the most striking leaf colors, provide a minimum of 6-8 hours of full, direct sunlight daily. In hot climates, light afternoon shade is acceptable and may even reduce water stress, but morning sun is essential for vigorous growth.

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Vladimir Kusnezow

Vladimir Kusnezow

Gardener and Software Developer

Zone 6b gardener. Growing vegetables and fruits in soil and hydroponics for 6 years. I built PlotMyGarden to plan my own gardens.