🌾 Amaranth

Amaranthus spp.
grains annual
Illustration of Amaranth
☀️ Sun
full sun
💧 Water
moderate
🗺️ Zones
2-11
🪴 Soil Type
loamy
🧪 Soil pH
6.0-7.0
💧 Drainage
well-drained
📏 Spacing
12-18 inches
📐 Height
3-8 feet
📅 Days to Maturity
50-75 days (leaves), 90-120 days (seed)

🍴 Edible Parts

🍽️ leaves🍽️ seeds🍽️ stems

🤝 Companions (10)

Amaranth and corn share similar growing conditions; amaranth's deep taproot accesses different soil layers, reducing competition
Amaranth provides light shade for cucumbers in hot climates without competing heavily for nutrients
Amaranth's tall growth can provide wind protection and partial shade for eggplants in hot summers
🤝 Bean (Bush)
Bush beans fix nitrogen that amaranth uses for protein-rich leaves and seeds; beans stay low while amaranth grows tall, making efficient use of vertical space.
🤝 Pea
Peas fix nitrogen and finish early before amaranth reaches full size; pea trellis provides wind protection for young amaranth seedlings.
Onions repel aphids and spider mites; their shallow roots don't compete with amaranth's deep taproot, making them ideal intercropping partners.
🤝 Marigold
Marigolds repel nematodes and leaf-eating pests; root exudates suppress soil-borne pathogens, creating healthier soil for amaranth.
Basil repels mosquitoes, thrips, and flies that damage amaranth leaves; aromatic oils may improve amaranth's vigor when grown nearby.
Amaranth provides light dappled shade protecting tomatoes from sunscald in hot climates; tomatoes benefit from the windbreak without heavy root competition.
🤝 Pepper
Peppers benefit from afternoon shade amaranth casts in hot summer months; both thrive in warm, well-drained soils with similar fertility needs.

⚠️ Keep Apart (7)

Both are heavy feeders competing for the same soil nutrients, and amaranth's tall growth can shade out potato plants
Amaranth's deep taproot competes directly with carrots in the root zone
Competition for root space and nutrients can reduce yields for both crops
Fennel is allelopathic to most garden plants including amaranth; root exudates inhibit seed germination and stunt seedling growth.
⚠️ Nightshade (wild)
Wild nightshades harbor pests and diseases that readily transfer to amaranth; they also compete aggressively for the same soil nutrients.
Cabbage and amaranth compete for similar soil nutrients; cabbage's broad leaves shade out young amaranth seedlings when planted too closely.
⚠️ Lambsquarters
Lambsquarters is a wild amaranth relative that harbors shared pests and diseases; its presence creates a pest bridge to cultivated amaranth.

💊 Medicinal Uses

Amaranth leaves are rich in iron, calcium, and vitamin C, used traditionally for anemia and malnutrition. The seeds contain high-quality protein with lysine, an amino acid often lacking in grains. Amaranth oil contains squalene, which has antioxidant and skin-healing properties. Traditional medicine uses it for diarrhea, inflammation, and as a cardiovascular tonic.

📜 History & Traditional Uses

Amaranth was a staple crop of the Aztec, Inca, and Maya civilizations, used both as food and in religious ceremonies. The Aztecs made figurines from amaranth dough for rituals. After Spanish colonization, its cultivation was suppressed due to its pagan associations. It has experienced a global revival as a nutritious pseudocereal and leafy green. In India, amaranth (rajgira) is used in fasting foods and sweets. In Africa and the Caribbean, it is widely grown as callaloo.

📝 Notes

Amaranth is a C4 plant with exceptional drought and heat tolerance. Both leaves and seeds are edible — the leaves taste similar to spinach, and the seeds can be popped like popcorn or cooked as a grain. It readily self-seeds and can become weedy if not managed. Amaranth is gluten-free and considered a pseudocereal along with quinoa and buckwheat. Some ornamental varieties have stunning red, purple, or gold flower plumes.