Commercial species and high-yielding varieties
- African marigold (Tagetes erecta): Large double blooms in yellow and deep orange, preferred for loose flower markets. Notable varieties include Pusa Narangi Gainda, Pusa Basanti Gainda, and commercial F1 hybrids.
- French marigold (Tagetes patula): Dwarf, bushy plants with smaller, highly profuse yellow-red flowers; popular for landscaping and intercropping.
- Industrial marigold: Cultivated on contract farming models for lutein and xanthophyll pigment extraction used in poultry feed and nutraceuticals.
Nursery raising, spacing and the pinching technique
Sow seeds on raised nursery beds protected by agro-shade netting. Transplant 25 to 30-day-old vigorous seedlings into well-drained loamy soil at 45 × 45 cm or 60 × 60 cm spacing. Pinching (removing the apical growing tip) 30 to 35 days after transplanting suppresses apical dominance, stimulating lateral branches and dramatically increasing the number of flower buds per plant.
Nematode control and trap crop advantages
- Marigold roots release alpha-terthienyl, a natural organic compound that suppresses root-knot nematodes (Meloidogyne spp.) in the soil.
- Planting marigold as a border or trap crop around tomato, brinjal, and chilli fields lures Helicoverpa fruit borers away from main cash crops.
- Harvest blooms early in the morning or late evening after surface dew has evaporated, packing in ventilated crates for mandi transport.
Official source
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Directorate of Floricultural Research (ICAR-DFR) ↗Related on KisanPe
Common questions
What are the main planting seasons for marigold in India?
Marigold can be grown in three seasons: rainy season (transplanted July-August for Dussehra and Diwali markets), winter season (transplanted September-October), and summer season (transplanted January-February).
Why is the pinching practice crucial in marigold cultivation?
Pinching removes the terminal shoot, prompting the plant to produce numerous lateral branches, resulting in significantly higher flower yield per plant.
How does marigold act as a natural pest deterrent in vegetable farming?
Its roots secrete nematode-repelling chemicals, while its bright yellow flowers attract beneficial predators and trap dangerous borer moths.
General guidance, not personal advice. For your farm, ask your local Krishi Vigyan Kendra or agriculture officer.
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