A few do's and don'ts...
Whether you have regular house plants or your growing Herbs in your kitchen. Each type of plant has specific needs.
Most house plants are tropical. Did you know that? Tropical plants prefer some humidity. Most homes are dry in winter due to heating. And if you use air-conditioning, dry in Summer too. So misting may be needed with a fine spray.
Fertilizing your in door plants should be done in spring and fall. Same with repotting. Never fertilize your plants if the soil is a bit dry. You can over fertilize them at that time and burn or even kill the roots. Water well and then fertilize about 3 days later.
Light of course is very important. Remember, most tropical plants in nature have filtered light. So putting your plants in a heavily naturally sunny window may not be so healthy for them.
After a heavy flowering or growth spurt all plants need to take a break. Usually that's winter or some cooling down time even for tropicals. Most tropicals also like cool evenings.
Watering, if at all possible try to collect your own rain water. All plants do better with natural water from Mother Nature.
Air, try not to have your plants right under the vent where your heat or cooled air are forced through.
I have cats and I use cat litter. I use the kind in buckets with a lid. If you use the same ones or have a container with a tight lid, try to save some rain water in it. If you have to use bottled or tap water, that's okay too. If you have weeds or can get weeds from friends or even along a country road. Fill the container with weeds and water. You want a lot if weeds in it. Close the lid tight. Or if you have no lid for the container. Use plastic wrap and tie string around it to keep it well closed.
Next, set it outside or on a balcony or somewhere it can sit for about 6 weeks. 4 is okay, but 6 is better.
Hold your nose after 6 weeks and pour some of the water (not plant material unless its just bits) into something you can use to pour on your plants. You've created your own cheap plant food. Pour the plant food on the base of the plants. Not the leaves or plant itself.
Happy indoor gardening!