Answer: The light will be less and you will be watering less and not fertilizing during the winter so growth will slow. The rosemary is a relatively slow growing shrubby type of plant, so it should do fine until next spring without repotting unless it has become very potbound. The coleus may have grown enough over the summer that it could need repotting. However, if it has become woody with age you may want to start cuttings of it and discard the original plant. If the tomato is an indeterminate one, it could theoretically live for years. In normal household conditions, however, it probably will not continue to bear fruit indoors and may languish over the winter. For this reason, most people start anew each spring with young, vigorous and healthy tomato plants. Finally, just to clarify, annuals live only one season -- the grow, flower, set seed and die all the same year.
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