ROOTING HOUSEPLANTS: Many house plant enthusiasts like to root impatiens, geraniums, coleus, and other items in plain tap water. They form a good set of roots in a water medium, but when planted in potting mix, these carefully rooted cuttings fare poorly or die. Why? We’ll try to explain. It’s because the developed “water roots” are not adapted to drier growing conditions. How do you get around this?
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