How to Grow Red Amaranth Rajendramat
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Red Amaranth Rajendramat
Amaranthus tricolor
vegetableRed Amaranth Rajendramat is a vibrant leafy green vegetable with striking deep red and dark green foliage, prized in Asian and Indian cuisines. This cultivar is valued for its tender, nutritious leaves that are rich in vitamins and minerals. The plant produces edible grain-like seeds and is both ornamental and highly productive.
When should you plant Red Amaranth Rajendramat in your zone?
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Example Red Amaranth Rajendramat timeline · Pittsburgh, PA (Zone 6b)
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Plant Red Amaranth Rajendramat
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 Amaranth Rajendramat
Around May 27≈ 40 days after planting
Sample dates for Pittsburgh, PA. Sign up to get exact Red Amaranth Rajendramat dates for your own zip code.
Growing Conditions
Soil
Growing Zones
Find your zone →Thrives in warm zones 9-11; can be grown as summer annual in cooler zones 3-8
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Get my Red Amaranth Rajendramat timeline →Growth Stages
Germination & Seedling
7-10 daysTiny seedlings emerge with small cotyledons; plants are fragile and delicate with minimal leaf development
Keep soil consistently moist but not waterlogged. Provide bright light and warm temperatures (70-80°F). Thin seedlings to proper spacing once 2-3 inches tall.
Early Growth
10-15 daysFirst true leaves appear; plants develop 3-4 inches of height with distinctive coloration beginning to show; leaves are tender and edible
Continue consistent watering. Begin light feeding with balanced fertilizer every 2 weeks. Remove weeds to reduce competition.
Vegetative/Foliage Development
15-25 daysPlants reach 12-24 inches tall with abundant, vibrant red and dark green leaves; maximum color intensity and tenderness; dense canopy formation
Begin harvesting outer leaves for continuous yield. Apply compost mulch. Increase watering frequency in hot weather. Fertilize every 2-3 weeks with nitrogen-rich fertilizer to encourage leafy growth.
Mature/Flowering
10-20 daysPlant reaches full height (24-36 inches); produces tall flower spikes with grain-like seeds forming; foliage becomes coarser and less tender
Continue harvesting leaves if desired before flowering becomes dominant. Allow some plants to mature for seed collection if desired. Reduce nitrogen fertilizer if only seed harvest is goal.
Seed Set & Harvest-Ready
Until frost or manual harvestSeed heads fully developed with thousands of tiny grain-like seeds; leaves become tougher and less palatable; seeds turn dark reddish-brown when mature
Stop watering once seed heads fully mature to encourage drying. Harvest seed heads when completely dry for grain use. Pull entire plant or cut at base.
Companion Planting
Plan your garden →Plant with:
Avoid planting near:
Common Pests
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Hand-pick caterpillars; use Bacillus thuringiensis (Bt) spray; encourage natural predators like parasitic wasps
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Use floating row covers on young plants; spray with neem oil; dust with diatomaceous earth
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Increase humidity with regular misting; spray with neem oil or insecticidal soap; remove heavily infested leaves
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Use yellow sticky traps; spray undersides of leaves with insecticidal soap; encourage natural predators
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Improve air circulation; avoid overhead watering; remove affected leaves; apply copper fungicide if severe
Uses
Leafy Green Vegetable
CulinaryRed Amaranth Rajendramat leaves are widely used in Indian, Asian, and African cuisines as a cooked or fresh vegetable. The leaves can be stir-fried, steamed, or added to curries and are comparable in nutritional value to spinach. [source]
Grain & Seeds
CulinaryThe grain-like seeds of amaranth are gluten-free and can be popped like popcorn, ground into flour, or cooked as a nutritious whole grain. Both ancient and modern cuisines utilize amaranth seeds as a protein-rich staple. [source]
Nutritional & Antioxidant Properties
MedicinalRed Amaranth leaves are exceptionally rich in vitamins A, C, folate, and minerals including iron, calcium, and manganese. The deep red color indicates high levels of polyphenol antioxidants that support immune function and reduce inflammation. [source]
Natural Dye Source
HouseholdThe deep red pigmentation in Red Amaranth Rajendramat can be extracted and used as a natural food coloring or textile dye. The pigment is water-soluble and historically used in traditional dyeing practices. [source]
Pollinator & Bird Food
WildlifeAmaranth flowers attract pollinators including bees and butterflies, while the mature seed heads provide valuable food for seed-eating birds and beneficial insects. Leaving some plants to mature supports local wildlife. [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 plants reach 6-8 inches tall for continuous tender leaf production; pinch off top growing tips to encourage bushiness and more leaf yield. For maximum nutritional value and tenderness, harvest in early morning. Leaves are most tender before flowering begins. For grain harvest, allow plants to fully mature, then cut entire plant at base, hang upside down to dry, and thresh to collect seeds. Fresh leaves are best used within 1-2 days of harvest.
Fun Facts
- 🌱 Red Amaranth Rajendramat 'Rajendramat' is a cultivar specifically developed at the Indian Institute of Vegetable Research and is particularly well-suited to tropical and subtropical climates.
- 🌱 Amaranth is a pseudo-cereal that was considered sacred by the Aztecs and has been cultivated for over 8,000 years; it remained important in Mesoamerican cultures until Spanish colonization suppressed its cultivation.
- 🌱 A single amaranth plant can produce up to 60,000 seeds, making it one of the most prolific seeding plants in the vegetable garden; this abundance is one reason it has been embraced globally as a climate-resilient food crop.
Gardening Terms
New to gardening? Learn about terms used in this guide:
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