How to Plant Herbs in a Kitchen Window | Windowsill Growing

A kitchen-window herb garden thrives with a sunny south-facing window, drainage holes in the pot, free-draining potting mix, and watering only when the top inch of soil dries.

Growing herbs on a kitchen windowsill gives you fresh basil, mint, and parsley within arm’s reach of the stove. The key is matching the setup to what herbs actually need: enough light, proper drainage, and the right soil. Here is how to plant them so they keep producing, not just surviving.

Choosing the Right Window and Containers

Herbs need at least 4 to 6 hours of direct sunlight daily, and 6 to 8 hours is ideal. A south-facing window delivers the most consistent light through the day. East- or west-facing windows can work if the light is strong enough, but growth may be slower or more stretched.

Pick pots with drainage holes and a saucer underneath. Without drainage, water collects in the bottom and causes root rot. Most herbs do well in containers at least 6 inches deep, though fast-growing or perennial herbs like rosemary appreciate larger pots.

Planting Steps: From Pot to Window

Fill the container with a quality potting mix that drains freely. Leave about an inch of space between the soil surface and the rim. Mediterranean herbs such as thyme and oregano benefit from a more porous mix — adding perlite to standard potting soil helps.

Set transplants at the same depth they were growing in their nursery pot. If starting from seed, cover them lightly with soil. Water gently until you see water run through the drainage holes. Place the pot in the best light available and rotate it every few days so all sides get even sun.

For seeds, start them indoors about 6 to 8 weeks before the last frost date for your area. Cover the pot with plastic wrap or a humidity dome until seedlings appear, then remove the cover right away.

Which Herbs Grow Best on a Kitchen Windowsill?

The most reliable candidates for windowsill growing are basil, mint, chives, parsley, oregano, and thyme. These herbs tolerate indoor conditions well and produce quickly with regular harvesting. Rosemary and cilantro also work, though rosemary grows more slowly and cilantro tends to bolt faster indoors.

We have tested and reviewed the best setups for indoor growing in our indoor window herb garden buying guide if you want to see which containers and kits hold up best over time.

Watering, Feeding, and Common Mistakes

Water when the top inch of soil feels dry to the touch. Stick your finger into the soil about one knuckle deep — if it feels dry, water thoroughly until it drains from the bottom. Never let the pot sit in standing water. Overwatering is the fastest way to kill an indoor herb, causing root rot and yellowing leaves.

Feed lightly during the growing season. Use a half-strength liquid fertilizer every 3 to 4 weeks, or a diluted water-soluble formula every two weeks. Too much fertilizer reduces the flavor of herbs like basil and mint, so less is more.

Start harvesting once the plants are 4 to 6 inches tall. Cut from the top or outer stems and never remove more than one-third of the plant at a time. Pinch back the tips regularly to encourage bushier growth and prevent flowering, which makes herbs taste bitter and go leggy.

Winter indoor air can be very dry. Set pots on a tray of pebbles with water below the drainage holes — this raises the humidity around the plants without keeping the roots wet.