extranjera said:You could actually grow the colocasia just in water as long as it got enough light. I have them growing in an inside pond, just in gravel in the filter. They have light from above, and they put out new leaves and seem fine. They do sometimes need more support if they start growing up out of the gravel too much. I've often seen them here just stuck in gravel and a few inches of water in a pot or vase inside.
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