Indoor Herb Garden
An indoor herb garden lets you keep fresh herbs going through the winter or grow them year-round if you lack outdoor space. The main challenge indoors is light — most culinary herbs need 6+ hours of direct sun, and winter windows in northern latitudes often provide far less. With the right setup, however, many herbs can produce well indoors.
Light
A south-facing window is ideal and may be sufficient for lower-light herbs like mint, chives, and parsley. For sun-loving herbs like basil, rosemary, and Thai chilies, supplemental lighting is usually necessary. A simple shop-style LED grow light positioned 6–12 inches above the plants for 12–14 hours a day makes an enormous difference. Timer-controlled lights are the easiest approach.
Best Herbs for Indoor Growing
- Easy indoors: Chives, mint, parsley, curry leaves
- Moderate (need good light): Basil, cilantro, oregano, dill
- Challenging (need strong light + careful watering): Rosemary, sage, bay laurel
Containers and Soil
Use pots with drainage holes and saucers. Indoors, it is critical to avoid overwatering — root rot is the top killer of indoor herbs. Use a well-draining potting mix with extra perlite (see Soil Mix for Herbs). Allow the top inch of soil to dry between waterings for most herbs.
Humidity and Air Circulation
Indoor air, especially in winter with heating running, tends to be dry. Tropical herbs like curry leaves and lemongrass appreciate higher humidity — use a pebble tray (a tray of water with gravel for the pot to sit on above the water line) or a small humidifier nearby. Good air circulation (a gentle fan on low) reduces the risk of fungal diseases like powdery mildew on rosemary.
Also See
For a simpler setup with fewer plants, see Windowsill Herbs. For tips on moving outdoor plants indoors for winter, see Overwintering Herbs.