Let the windowsill guide the choice
Watch how much light reaches the window and how long it receives direct sunshine. A kitchen that feels bright to people can offer little useful light to a plant positioned well away from the glass. Avoid corners hidden by curtains and check that leaves do not rest against excessively hot or cold surfaces.
Look up each species before grouping plants together. Basil, thyme and parsley are not interchangeable in their moisture needs, growth or response to conditions. A shared container can look appealing, but separate pots make it easier to change positions and watering when the plants need different treatment.
Plan for a modest harvest
A pot of herbs can provide a few finishing leaves without becoming an unlimited ingredient supply. Avoid removing most of its foliage in one harvest. Learn where to cut the particular herb and leave enough growth for it to recover between uses in the kitchen.
Herbs sold for immediate consumption are not always ready to spend months in their original container. Look for crowded plants, cramped roots or growing medium that dries unusually quickly. If dividing or repotting is appropriate, follow guidance for that species rather than pulling delicate roots apart at random.
Make watering easy to manage
Use pots with drainage and saucers that can be emptied. Check moisture before adding water and remove the collected excess. Radiator draughts, cooking heat and seasonal changes affect drying. A weekly reminder can tell you to inspect the herbs; it should not automatically instruct you to water them.
Keep foliage away from cleaning products, greasy splashes and areas exposed to raw food. A washable tray makes the windowsill easier to clean, but it should not become a permanent pool under every pot. Leave enough room to lift each plant out independently.
Adjust the corner over time
If growth stretches towards the window or loses vigour, review light and routine before reaching for fertiliser. Follow instructions suitable for edible plants. At an unfavourable window, growing herbs only through the brighter part of the year may be more realistic than expecting the same results in every season.
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