Bringing Plants Indoors | Knowledge & Wisdom
The word on watering the cold indoor garden is caution. Little water is lost through transpiration from the leaves at low temperatures, and even less through evaporation from the soil. If the plants are of a good size and growing in containers of more than eight inches in diameter, weeks may go by between waterings. The effects of overwatering in the cold are even more devastating than at higher temperatures. …
[Another] point about cool culture of houseplants grown in natural light: Don’t feed them. At these low temperatures, little or no growth is taking place; feeding with fertilizer can be harmful and sometimes fatal. Put away all the yummies until March, when your cool garden begins to warm.
–Helen Tower Brunet, Yankee’s gardening editor, November 1978
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