How To Grow Rosemary Indoors And Actually Keep It Alive All Year Long

By: Rose

On: Monday, November 17, 2025 10:31 AM

Rosemary is one of the most aromatic and useful herbs you can grow at home. From flavoring roasted meats and vegetables to infusing oils and teas, this hardy herb adds a burst of freshness to every dish. However, keeping rosemary alive indoors can be tricky—it’s often known for drying out, getting root rot, or just giving up during the colder months. But don’t worry! With the proper care and a few smart growing tricks, you may experience thriving rosemary plant life all year long proper for your kitchen windowsill.

Does Rosemary Grow Well Indoors?

While rosemary is a shrub that could grow quite large outdoors, with a mature top of up to six feet, it could additionally do quite well as an indoor plant. It’s cold hardy to USDA Plant Hardiness Zones 8-11, and in colder zones, it desires to be overwintered interior. Even if you grow it outdoor, there’s an amazing risk it will want to be brought interior sooner or later unless you deal with it as an annual.

How To Choose A Pot

When planting a rosemary plant, pick a nicely-draining pot with numerous drainage holes. Terracotta pots are porous and permit excess moisture to evaporate quickly. The length of the pot should be just large than the size of the basis ball. An eight-inch pot is a good beginning size, and you need to growth the size of the pot as the plant grows. Repot rosemary right into a pot that’s one length up from the current one whilst the plant has doubled in size or its roots are seen via the drainage holes.

How To Care For Rosemary Indoors

Just like rosemary grown in the garden, rosemary needs plenty of sunlight hours interior whether or not from a sunny window or artificial lighting. In pots it can dry out quick, so it’s essential to test the soil’s moisture and water whilst the pinnacle layer is dry. Be careful no longer to location rosemary close to doors or vents wherein drafts can have an effect on the plant.

Sunlight

Whether interior or out, rosemary is sun-loving and wishes full solar to grow nicely. Place the pot in a south- or east-dealing with window or in a sunroom that receives six hours of direct light every day. Supplement lighting fixtures with an synthetic develop light. A full-spectrum LED light may be placed close to the plant with out the risk of sizzling the leaves.

Water

Rosemary is easy to overwater, so getting the watering simply right is important. Since an indoor rosemary plant isn’t getting moisture from rainfall, you’ll need to determine while it wishes watering and when it doesn’t. The trick is to water rosemary most effective when the pinnacle 1 to 2 inches of soil are dry as opposed to sticking to the organization time table you may have for other houseplants, and the soil shouldn’t absolutely dry out. Watering should be rare and thorough. Make sure to soak the plant thoroughly so the water drains from the lowest of the pot. Since rosemary receives moisture from the air, mist it between waterings.

Soil

Rosemary needs well-draining sandy or loamy soil, which include cactus soil, to prevent it from turning into soggy and inflicting root rot. You can also amend potting soil with coarse sand or perlite for higher drainage. Heavier soils will hold an excessive amount of moisture and make a contribution to root rot. The soil ought to be barely acidic with a pH of 6.5 to 7.0.

Temperature And Humidity

Growing rosemary indoors may be tough when the warmth or AC are on full blast due to the fact they could decrease humidity, create drafts, and reduce airflow within the room. Rosemary prefers indoor temperatures round 60 to 75ºF in the course of the day and temperatures approximately 10 degrees cooler at night. Place potted rosemary on a tray of pebbles full of water to provide humidity as the water evaporates or use a humidifier.

Fertilizer

You can provide potted rosemary a sluggish-launch fertilizer in the spring at the start of the growing season and once more in mid-summer season. Don’t fertilize in the course of wintry weather when boom has slowed, and recollect an natural alternative, such as compost, for rosemary so as to be used for cooking.

Pruning

Using your rosemary plant often is one way to keep it healthy because harvesting promotes new bushy growth and keeps stems from turning into woody. Prune the plant after it flora inside the spring or summer season by means of slicing returned stems by means of a third. Remove any useless stems as wished.

Bonus Tip: Move It Outdoors in Summer

If possible, take your potted rosemary outdoor in the course of warm months. A few weeks of herbal daylight and fresh air will rejuvenate the plant and toughen its root device. Just don’t forget to deliver it back inside earlier than the primary frost hits.

Conclusion

Growing rosemary interior all year long is absolutely feasible—you simply need to recreate the sunny, dry surroundings it loves. With the proper pot, soil, light, and watering behavior, your rosemary plant will flourish and reward you with lush green leaves and heavenly aroma.

So, move in advance—bring a hint of the Mediterranean into your own home and revel in clean rosemary sprigs in your cooking, tea, and décor at some point of the year. With a touch care and consistency, your indoor rosemary will live alive, healthy, and complete of flavor!

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