Here are some tips for sowing and growing African marigolds:
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Soil Preparation: African marigolds prefer well-draining soil with a pH range of 6.0-7.0. Amend the soil with compost or other organic matter before planting.
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Sowing: Sow African marigold seeds directly into the ground after the last frost in spring. Plant the seeds about 1/4 inch deep and 6-8 inches apart. Cover the seeds with a light layer of soil and keep the soil consistently moist until the seeds germinate.
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Watering: African marigolds need consistent moisture to grow properly, but be careful not to over-water, as this can cause root rot. Water the plants deeply once a week or more often in hot and dry weather.
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Fertilization: African marigolds are light feeders, so avoid over-fertilization. Apply a balanced fertilizer at planting time, and avoid applying additional fertilizer during the growing season.
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Sunlight: African marigolds need plenty of sunlight to thrive. Plant them in a location that receives full sun for most of the day.
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Deadheading: Deadhead the spent blooms regularly to encourage the plant to produce more flowers.
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Pest and Disease Control: Watch for pests such as spider mites and aphids, and control them using organic methods such as insecticidal soap or by removing affected leaves. Watch for fungal diseases such as powdery mildew, and use fungicides to treat them.
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Harvesting: African marigolds can be harvested for their flowers throughout the growing season. Cut the flowers in the morning, when they are fully open, and place them in water immediately.
By following these tips, you can successfully grow African marigolds and enjoy a colorful display of flowers in your garden.