How To Grow Rosemary From Seedlings

Home » Edible Garden » Herbs » Rosemary » How To Grow Rosemary From Seedlings

Rosemary is a fragrant, evergreen herb that is commonly used in cooking and has many medicinal properties. Growing rosemary from seedlings is a great way to start your herb garden and enjoy fresh rosemary year-round. In this article, we will guide you through the process of growing rosemary from seedlings and share some helpful tips along the way.

rosemary, seasoning, herb-3146976.jpg

Choosing the Right Soil and Pot

When it comes to growing rosemary, it’s important to choose the right soil and pot. Rosemary thrives in well-draining, sandy soil with a pH level between 6.0 and 7.0. You can purchase potting soil specifically designed for herbs or make your own by mixing equal parts of sand, perlite, and peat moss.

For the pot, choose a container that is at least 6-8 inches deep with drainage holes. Terra cotta pots are a popular choice because they allow for air and water to circulate, which helps to prevent root rot.

Planting the Seedlings

Once you have your soil and pot ready, it’s time to plant the seedlings. Start by filling the pot with the soil mixture, leaving about an inch of space at the top. Next, make small holes in the soil about half an inch deep and place one seedling in each hole. Gently cover the seedlings with soil and press down firmly to ensure they are secure.

After planting the seedlings, give them a thorough watering to help settle the soil and provide the necessary moisture for growth. It’s important not to overwater rosemary as it prefers dry soil. Allow the soil to dry out between waterings and avoid getting the leaves wet.

Providing Adequate Light and Temperature

Rosemary requires full sun for at least 6-8 hours a day. Place the pot in a sunny location, such as a south-facing window or a sunny patio. If you live in a hot climate, you may want to provide some shade during the hottest part of the day to prevent the leaves from burning.

Rosemary is a hardy herb that can tolerate a range of temperatures, but it prefers a warm, Mediterranean climate. It can survive temperatures as low as 30 degrees Fahrenheit, but it may suffer damage if exposed to frost. To ensure your rosemary thrives, keep it in a warm location and protect it from extreme temperatures.

Caring for Your Rosemary Seedlings

To keep your rosemary seedlings healthy and happy, there are a few important things to keep in mind. First, avoid fertilizing them too often as this can cause the leaves to lose their flavor. Instead, fertilize your rosemary once a month with a balanced fertilizer.

Second, prune your rosemary regularly to encourage bushy growth and prevent it from becoming too woody. You can start pruning your rosemary once it reaches 6-8 inches in height. Simply snip off the top 1-2 inches of growth with a sharp pair of scissors or pruning shears.

Finally, keep an eye out for pests and diseases. Rosemary is generally resistant to most pests, but it can be susceptible to spider mites and aphids. If you notice any signs of infestation, treat your plant with insecticidal soap or neem oil.

Harvesting Your Rosemary

Once your rosemary reaches a height of 12-18 inches, it’s ready to be harvested. You can harvest the leaves anytime by snipping off a sprig or two as needed. However, it’s best to wait until the plant has reached maturity before harvesting large amounts.

To harvest, simply snip off the top 1-2 inches of growth with a sharp pair of scissors or pruning shears. Be sure to leave some growth on the plant so it can continue growing.

When transplanting, make sure to choose a sunny spot with well-drained soil. Rosemary likes to be in full sun, so choose a location that gets at least 6 hours of direct sunlight per day. Additionally, make sure the soil has good drainage as rosemary doesn’t like to be in waterlogged soil.

Dig a hole that’s slightly larger than the root ball of your seedling and gently place the seedling in the hole. Fill the hole with soil and water the plant well.

Care for Your Rosemary Plants After transplanting your rosemary seedlings, it’s important to care for them properly to ensure they continue to grow and thrive. Here are some tips for caring for your rosemary plants:

  • Water: Rosemary doesn’t like to be in waterlogged soil, but it also doesn’t like to be too dry. Water your rosemary plants deeply once a week, or when the top inch of soil is dry. In hot weather or when grown in containers, you may need to water more frequently.
  • Fertilizer: Rosemary doesn’t need a lot of fertilizer, but it will benefit from a balanced fertilizer once a month during the growing season. Avoid fertilizing during the winter months when the plant is dormant.
  • Pruning: Regular pruning will help your rosemary plant stay healthy and bushy. Prune back the plant by one-third each spring to encourage new growth. You can also prune off any dead or damaged branches throughout the year.
  • Pest Control: Rosemary is generally not bothered by pests, but if you do notice any issues, try spraying the plant with a mixture of water and dish soap. If the problem persists, you may need to use a natural insecticide.
mediterranean, southern, stone-49073.jpg


Growing rosemary from seedlings is a fun and rewarding project that can result in a bountiful harvest of fragrant, flavorful herbs. By following the steps outlined in this article, you can successfully grow your own rosemary plants from seedlings and enjoy fresh rosemary in your cooking all year round. With a little care and attention, your rosemary plants will thrive and provide you with a delicious and versatile herb for years to come.