How to Grow Amaranth Greens
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Amaranth Greens
Amaranthus spp.
vegetableAmaranth greens are nutrient-dense leafy vegetables with tender, mild-flavored leaves that can be harvested young or grown to maturity for larger plants. They are heat-loving annuals that thrive in warm seasons and are prized in many cuisines for their edible leaves and seeds. The plants are exceptionally hardy, fast-growing, and drought-tolerant once established.
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Example Amaranth Greens timeline · Pittsburgh, PA (Zone 6b)
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Plant Amaranth Greens
Around Apr 17Near Pittsburgh's average last spring frost.
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Tend & protect
Late spring–summerWatering, feeding, and pest-watch reminders.
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Harvest Amaranth Greens
Around May 17≈ 30 days after planting
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Growing Conditions
Soil
Growing Zones
Find your zone →Thrives in zones 3-11 as warm-season annual; best productivity in zones 5-10
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Get my Amaranth Greens timeline →Growth Stages
Germination
5-10 daysTiny seedlings emerge with cotyledons visible. Seeds germinate quickly in warm soil (70°F+).
Keep soil warm and consistently moist. Thin seedlings once they have true leaves. Provide bright light to prevent leggy growth.
Seedling
7-14 daysFirst true leaves appear, plants develop 2-4 leaves. Seedlings are vigorous and grow rapidly in warm conditions.
Thin to proper spacing if direct sown. Ensure adequate light and warmth (65-75°F+). Water gently to avoid damping off.
Vegetative Growth
14-30 daysPlant develops multiple branches and leaves. Stems are tender and green; leaves are abundant and harvestable.
Begin harvesting baby leaves once plant has 4-6 true leaves. Pinch tips to encourage bushier growth. Water consistently. Light fertilizing promotes leaf production.
Mature Foliage
20-40 daysPlant reaches full size with dense leaf coverage. Leaves are large, tender, and colorful depending on variety.
Harvest outer leaves regularly to encourage continuous production. Remove any flowering stems if growing only for greens. Water and fertilize moderately.
Flowering/Seed Production
30+ daysIf left unharvested, plant produces distinctive flower spikes (grain amaranth) with dense clusters of tiny flowers followed by seeds.
Allow flowers to dry on plant if collecting seeds. Stop harvesting leaves to direct energy to seed production. Harvest seed heads when fully dry and brown.
Common Pests
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Use row covers for young plants, neem oil spray, encourage beneficial insects. Rarely severe on older plants.
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Handpick affected leaves, spray with Bt (Bacillus thuringiensis), remove plant debris
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Strong water spray, insecticidal soap, neem oil, or introduce ladybugs
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Increase humidity, spray with water, neem oil, or miticide if severe
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and
Remove by hand, beer traps, copper tape barriers, diatomaceous earth
Uses
Nutritious Leafy Green
CulinaryAmaranth greens are tender, mild, and slightly nutty when young. Use in salads, stir-fries, soups, or cooked as a side dish similar to spinach. Leaves contain high levels of protein, fiber, calcium, iron, and vitamins A and C. [source]
Traditional Wellness Uses
MedicinalIn Ayurvedic and traditional medicine, amaranth greens are valued for supporting digestion, reducing inflammation, and promoting overall vitality. Modern research supports their antioxidant and anti-inflammatory properties due to polyphenols and carotenoids. [source]
Seed Harvesting
CulinaryAmaranth seeds are tiny, nutrient-dense pseudo-cereals rich in complete protein and amino acids. Pop seeds like popcorn, grind into flour, or add to grain bowls and baked goods. [source]
Natural Dye Production
HouseholdCertain amaranth varieties produce deep red or purple pigments in leaves and flowers that can be used to create natural plant-based dyes for fabric and crafts. [source]
Bird and Pollinator Food
WildlifeAmaranth seed heads left on the plant attract finches, sparrows, and other seed-eating birds. Flowers provide nectar for pollinators. A great wildlife garden plant. [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 baby leaves when plants have 4-6 true leaves (30-40 days). Pinch off outer leaves or cut entire stems 2-3 inches from soil for continuous harvest. Harvest in morning for best quality. For mature plants, remove outer leaves regularly to promote bushiness. Can be harvested until first frost in cool climates. For seed production, allow plants to fully mature and dry on the stem, then cut and thresh.
Fun Facts
- 🌱 Amaranth is an ancient crop domesticated thousands of years ago in Central America and was a staple of Aztec cuisine and ritual offerings.
- 🌱 Despite being called a 'grain' when grown for seeds, amaranth is botanically a pseudo-cereal and is naturally gluten-free, making it ideal for those with celiac disease.
- 🌱 Amaranth leaves contain three times more calcium per ounce than cow's milk and are considered a nutritional powerhouse that outranks many conventional vegetables.
Gardening Terms
New to gardening? Learn about terms used in this guide:
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