How to Grow Red Spinach
iNaturalist
Red Spinach
Amaranthus dubius
vegetableRed spinach, also known as Indian spinach or Malabar spinach in some regions, is a leafy green vegetable with distinctive red-tinged or deep burgundy foliage. It is a warm-season crop that thrives in tropical and subtropical climates, offering a mild, slightly sweet flavor similar to traditional spinach. Rich in antioxidants and nutrients, it is a staple in Asian cuisine and increasingly popular in home gardens.
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Example Red Spinach timeline · Pittsburgh, PA (Zone 6b)
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Plant Red 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 Red Spinach
Around May 27≈ 40 days after planting
Sample dates for Pittsburgh, PA. Sign up to get exact Red Spinach dates for your own zip code.
Growing Conditions
Soil
Growing Zones
Find your zone →Thrives in zones 9b-11; can be grown as a warm-season annual in zones 3-9
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Seedling
7-10 daysTiny seedlings emerge with two oval cotyledons. First true leaves are narrow and may show red coloration.
Keep soil consistently moist. Provide bright light. Thin seedlings to proper spacing once they have 2-3 true leaves. Protect from extreme heat initially.
Vegetative Growth
20-35 daysPlant develops multiple stems with increasingly burgundy or red-tinged oval leaves. Foliage becomes bushier and more robust.
Maintain consistent moisture and regular feeding with balanced or nitrogen-rich fertilizer every 2-3 weeks. Pinch growing tips to encourage bushier growth. Ensure adequate sunlight.
Early Harvesting
Begins at 40-50 daysPlant reaches 6-12 inches tall with harvestable outer leaves. Lower leaves are mature and dark red-green in color.
Begin harvesting outer leaves from the bottom. This encourages continued leaf production. Do not remove more than one-third of foliage at once.
Continued Production
2-3 months or morePlant continues to produce new leaves as outer leaves are harvested. Foliage deepens in color and intensity.
Maintain regular watering and fertilizing schedule. Continue picking outer leaves to prevent flowering and extend productivity. Watch for pests and diseases.
Maturity/End of Season
Variable, typically 4-6 months totalPlant may eventually bolt and produce flower spikes if not harvested regularly. Foliage production slows in cooler temperatures.
If flowering begins, remove flower spikes to redirect energy to leaf production, or allow flowering for seed collection. In cooler climates, this marks end of season.
Companion Planting
Plan your garden →Plant with:
Avoid planting near:
Common Pests
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Spray with insecticidal soap or neem oil. Remove affected foliage. Encourage beneficial insects like ladybugs.
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Use yellow sticky traps. Spray neem oil or insecticidal soap. Ensure good air circulation.
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Increase humidity by misting foliage. Spray with insecticidal soap or neem oil. Remove heavily infested leaves.
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Handpick if possible. Apply Bacillus thuringiensis (Bt). Use row covers to prevent infestation.
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Avoid overhead watering. Remove affected leaves. Improve air circulation. Apply fungicide if severe.
Uses
Leafy Green Cooking
CulinaryRed spinach is used fresh in salads or cooked like traditional spinach in stir-fries, curries, soups, and side dishes. It has a mild, slightly sweet flavor and tender texture when young. [source]
Nutritional Health
MedicinalRich in vitamins A, C, and K, iron, calcium, and antioxidants including betalains and anthocyanins. Traditionally used in Asian medicine to support blood health and reduce inflammation. [source]
Natural Food Coloring
HouseholdThe deep red pigmentation can be used as a natural dye or food coloring agent in various culinary applications, sauces, and traditional beverages. [source]
Pollinator and Beneficial Insect Support
WildlifeWhen allowed to flower, red spinach attracts bees and beneficial insects. Seeds self-sow and can provide food for birds. [source]
Traditional Asian Cuisine
CulinaryA staple ingredient in South Asian and Southeast Asian cooking, particularly in Indian, Thai, and Filipino cuisines where it is valued for both flavor and nutritional content. [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 leaves when the plant reaches 6-12 inches tall, typically 40-50 days after planting. Pinch or cut leaves from the bottom and sides, leaving the growing tip intact to encourage continued production. Harvest in the early morning when leaves are most crisp. Regular harvesting extends productivity and prevents bolting. Leaves can be harvested continuously over 2-3 months or longer in warm climates. For maximum tenderness, harvest leaves when young and before they become tough.
Fun Facts
- 🌱 Red spinach is not a true spinach (Spinacia oleracea) but rather an amaranth species, making it botanically distinct despite its common name and similar culinary uses.
- 🌱 In India, red spinach is known as 'lal sag' and has been cultivated for centuries as a traditional medicinal and culinary herb.
- 🌱 The vibrant red color intensifies with sun exposure and cooler temperatures, making the leaves more visually striking and potentially more nutrient-dense in these conditions.
Gardening Terms
New to gardening? Learn about terms used in this guide:
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