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Question: 1410-617
How important is using sand indoors and outdoors for plants? Emelio, Puerto Rico

Mort's Answer:
Sand is highly recommended for planters in indoor plants to allow good drainage. I recommend a thin layer of sand when starting seeds, especially indoors. This discourages dampening off, which is the most common problem with germinating new seedlings. I also recommend using sand in the hole with bulbs to prevent mapping and root rot. Clayey soils have capacity to hold water from penetration into soils. Puddling of water will crate conditions that are not conducive to healthily. Organic matter and sand should be added to clay soil for more even distribution of water and air in soils.

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