How to Grow African Spinach
African Spinach
Amaranthus viridis
vegetableAfrican Spinach, also known as green amaranth, is a leafy green vegetable widely cultivated across Africa and tropical regions for its highly nutritious edible leaves. The plant grows quickly with tender green foliage that can be harvested continuously throughout the growing season. It is heat-loving, drought-tolerant, and thrives in warm climates, making it an excellent choice for hot-season gardening.
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Example African Spinach timeline · Pittsburgh, PA (Zone 6b)
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Plant African Spinach
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 African Spinach
Late summer into fallBefore the first fall frost (≈ Nov 8)
Sample dates for Pittsburgh, PA. Sign up to get exact African Spinach dates for your own zip code.
Growing Conditions
Soil
Growing Zones
Find your zone →Thrives in zones 9-12; can be grown as a warm-season annual in zones 5-8
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Seedling
2-3 weeksTiny seed leaves emerge 5-10 days after planting; first true leaves appear shortly after with characteristic oval shape
Keep soil moist but not soggy. Thin seedlings to proper spacing once first true leaves appear. Provide bright light and warmth (70-85°F ideal). Protect from cold drafts.
Vegetative Growth
2-3 weeksPlant rapidly develops multiple branches and lush green foliage; stems remain tender; leaves are dark green and succulent
Water regularly and consistently. Fertilize every 2-3 weeks with balanced fertilizer or compost. Thin crowded plants to maintain air circulation. Watch for pests.
Harvesting Phase
4-8 weeksPlant reaches 8-18 inches tall with abundant tender leaves; continuous leaf production begins
Begin harvesting outer leaves once plant is established. Continue watering and fertilizing. Regular harvesting encourages bushier growth and delays flowering.
Bolting
Occurs as plant matures; can be delayed with managementPlant develops flower heads at stem tips if left unharvested or during extreme heat stress; leaves become tougher
Pinch off flowering heads to extend leaf production. Provide afternoon shade in extreme heat. Increase watering frequency.
Seed Production
3-4 weeksSmall red or dark flowers develop into seed heads containing thousands of tiny seeds; foliage quality declines
Allow seeds to dry fully on plant if collecting. Cut seed heads and dry in warm location. Store seeds in cool, dry place.
Common Pests
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Spray with water to dislodge; use insecticidal soap or neem oil; encourage beneficial insects like ladybugs
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Increase humidity with misting; use neem oil or sulfur spray; remove heavily infested leaves
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Handpick larger caterpillars; use Bacillus thuringiensis (Bt) for organic control; encourage predatory birds
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Use row covers on young plants; apply neem oil; dust with diatomaceous earth
Uses
Nutritious Leafy Vegetable
CulinaryAfrican Spinach leaves are eaten raw in salads or cooked like spinach in soups, stews, and side dishes. The tender young leaves have a mild flavor similar to conventional spinach and are rich in vitamins, minerals, and protein. [source]
Traditional African Cuisine
CulinaryWidely used in traditional African cooking, particularly West African dishes, where leaves are combined with tomatoes, onions, and spices for flavorful cooked greens. [source]
Nutritional & Health Benefits
MedicinalAfrican Spinach is exceptionally high in calcium, iron, vitamins A and C, and antioxidants. Traditionally used in African and Asian medicine to support overall health, boost immunity, and address nutritional deficiencies. [source]
Sustainable Food Production
HouseholdAs a heat-tolerant, drought-resistant crop requiring minimal inputs, African Spinach is excellent for home food security, urban gardening, and sustainable agriculture in tropical and warm climates. [source]
Food for Beneficial Insects
WildlifeWhen allowed to flower, African Spinach attracts pollinators and beneficial insects that help other garden plants. Seeds also provide food for birds. [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 leaves 30-40 days after planting when plant reaches 6-8 inches tall. Pinch off top 2-4 inches of stem including young leaves to encourage branching and bushier growth. Alternatively, harvest outer leaves individually while leaving the growing center intact. Regular harvesting (every 2-3 days) promotes continuous production and tender leaf quality. Harvest in early morning for best flavor and texture. Tender young leaves are most palatable; older leaves become tougher. Plants remain productive for 2-3 months with consistent harvesting.
Fun Facts
- 🌱 African Spinach is so heat-tolerant and productive that it remains healthy and productive during summer months when conventional spinach bolts or struggles in hot climates.
- 🌱 The plant is highly nutritious—comparable to kale and conventional spinach—and is considered a 'superfood' in African nutrition, with some varieties containing up to 3 times the calcium of milk.
- 🌱 African Spinach is extensively grown throughout West Africa, India, and Southeast Asia, and is a staple food security crop because it thrives in poor soils with minimal inputs and provides multiple harvests from a single planting.
Gardening Terms
New to gardening? Learn about terms used in this guide:
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