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This is another easy task when it comes to growing mint indoors. From mid-spring through late summer, fertilize your indoor mint plant every three weeks with a liquid organic fertilizer. Mix it according to label instructions. If you plan to harvest from your plant all winter long, from early fall through early spring fertilize once every six weeks. Unlike other houseplants, indoor mint will still be actively growing through the winter months, so feeding it is a good idea. Just don’t overdo it.
How to prune indoor mint plants
Regular “haircuts” are necessary to keep your mint plant bushy and to encourage new growth. Use a pair of herb scissors or needle-nose pruners to trim the stems back on a regular basis, ideally once every few weeks. Make the cut just above a set of leaves and two new stems will develop from the leaf nodes, causing each stem to branch in two. Use the trimmings in the kitchen.
Three ways to grow mint indoors
There are three primary ways to grow mint as a houseplant. Let’s discuss each option in turn.
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