Marigold blossoms are gorgeous yellow. They thrive best in sunny areas. They can tolerate partial shade for a short duration. But continuous exposure to bright sunlight is necessary for the plant to grow well and produce more blooms.
Photoperiod
Photoperiod refers to the required time of exposure to sunlight in the plant.
Marigold plants require at least six hours of direct sunlight daily to thrive. If they don't receive enough sunlight, they won't be able to reach their full growth or produce flowers.
In addition to light requirements, watering is also essential. Do not overwater the plants. Water the plants at the base; do not wet the leaves and flowers.
Can Marigolds grow in shade or indirect sunlight?
Marigold plants grown in the shade tend to be less healthy than plants that receive full sun. The soil is too wet in a shady environment and may cause fungal diseases like mildew and stem rot.
Marigolds can be grown indoors. But they have to be placed in a location that receives adequate sunlight. Marigold plants may grow weakly and produce small, fragile flowers if they don't get enough sun exposure.
Insufficient sunlight can cause the following problems for the marigold plant.
- Weak plants.
- Fewer blooms.
- Rotting stems.
- Rotting buds.
- Susceptibility to plant fungus.
Too much sunlight is also harmful.
Marigold plants need lots of sunshine, but extreme and harsh sunlight can damage the plant. Too much direct exposure to the sun can cause their leaves and stems to wither. If you're growing marigolds in a scorching climate, add a thick mulch over the soil to help moisture retention.
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Extra reading
Marigold (Tagetes erecta)Winter Indoor Flowering Plants
Happy Gardening!
Dr. Vandana K.