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When planting orchids that are rooted to the ground, it is important to feed these plants diluted fertilizers that contain nitrogen, phosphorus, and potassium in a ratio of 20-10-20. These orchid types can require monthly feeding of fertilizer. However, most orchids, which are epiphytes and grow in nature, are air plants that require no soil and receive nutrients from their environment.

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∙ 12y ago
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