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Determine where you will grow your marigolds. Marigolds grow well both in flowerbeds and in pots and other containers, but they need space to spread out. Fully grown marigold plants in beds should be spaced 2 to 3 feet apart so that they can get enough sunlight.[2]
• Marigolds perform best in full sunlight, although they can handle up to 20% shade. Do not plant them in a fully shaded area, as they will not thrive.[3]
• Marigolds are tolerant of dry, sandy soil, but they do not grow well in overly damp soil. Make sure your beds or containers have adequate drainage; you can add a layer of gravel to the bottom and cover it with soil before planting to enhance draining.[4]