Learning how to grow rosemary is a great way to add a fragrant, useful, and attractive herb to your garden. Rosemary is a popular culinary herb known for its strong aroma and distinctive flavor. It can be used to season roasted vegetables, potatoes, chicken, fish, soups, breads, sauces, and many other dishes.
One of the best things about growing rosemary is that it is relatively low-maintenance once established. Unlike herbs that require consistently moist soil, rosemary prefers sunny conditions and well-draining soil. It is also relatively drought-tolerant after its roots become established.
In this complete guide, you will learn how to grow rosemary from young plants or cuttings, how much sunlight it needs, the best soil, how often to water it, how to grow rosemary in pots, how to grow rosemary indoors, how to prune and harvest it, and how to protect it during winter.
How to Grow Rosemary
Growing rosemary is relatively easy when you provide conditions similar to its natural Mediterranean environment.
The plant prefers plenty of sunlight, excellent drainage, and relatively dry conditions between waterings.
Here are the basic requirements for growing rosemary:
- Sunlight: At least 6 to 8 hours of direct sunlight per day
- Soil: Light, well-draining soil
- Water: Moderate watering while young; less frequent watering once established
- Temperature: Warm conditions are ideal
- Spacing: About 2 to 3 feet for larger plants
- Soil pH: Slightly acidic to neutral
- Harvest: Harvest young stems and leaves throughout the growing season
For beginners, starting with a healthy nursery plant is often the easiest way to grow rosemary.
You can also propagate rosemary from cuttings, which is a simple and inexpensive way to create new plants from an established one.
How to Grow Rosemary From Cuttings
Propagating rosemary from cuttings is an excellent way to create new plants.
Choose a healthy, non-flowering stem from an established rosemary plant.
Cut a section approximately 4 to 6 inches long using clean scissors or garden shears.
Remove the leaves from the lower portion of the cutting.
Place the cutting in a small container filled with a light, well-draining growing medium.
Keep the medium lightly moist and place the container in a warm location with bright, indirect light.
Once roots develop and the cutting begins producing new growth, transplant it into a larger container.
Propagation from cuttings is particularly useful if you want to create several rosemary plants from one healthy plant.
Where to Plant Rosemary
Choosing the right location is one of the most important steps when learning how to grow rosemary.
Rosemary grows best in a sunny location with excellent drainage.
Good planting locations include:
- Herb gardens
- Raised beds
- Rock gardens
- Mediterranean-style gardens
- Vegetable gardens
- Containers
- Patio planters
- Sunny balconies
Avoid planting rosemary in low areas where water collects after rainfall.
Constantly wet soil is one of the most common causes of problems for rosemary.
If your garden soil is heavy clay, consider planting rosemary in a raised bed or container instead.
Best Soil for Growing Rosemary
Excellent drainage is essential for healthy rosemary.
The plant prefers light, loose soil that allows excess water to drain away quickly.
Heavy clay soil can hold too much moisture and may increase the risk of root problems.
If your garden soil is poorly drained, consider growing rosemary in a raised bed or container.
For container-grown plants, use a well-draining potting mix.
A growing medium suitable for Mediterranean herbs or other drought-tolerant plants can work well.
Always choose a container with drainage holes.
Rosemary does not require extremely rich soil. In fact, excessive fertility can encourage soft, rapid growth that may not be as compact or aromatic.
How to Grow Rosemary in Pots
Rosemary is an excellent plant for container gardening.
Growing rosemary in a pot is especially useful in colder climates because you can move the plant indoors or to a protected location during winter.
Choose a container that is at least 12 inches wide and deep enough to accommodate the plant’s root system.
Make sure the pot has drainage holes.
Fill the container with a light, well-draining potting mix.
Place the container in a location that receives plenty of sunlight.
Water thoroughly, then allow the soil to dry before watering again.
As the plant grows, you may need to move it into a larger container.
Avoid using an oversized pot that holds excessive moisture around the roots.
Growing a rosemary plant indoors can be challenging if it does not receive enough sunlight, but it is possible with the right conditions.
Place the container near a bright, sunny window. A rosemary plant needs plenty of light to maintain compact growth and healthy foliage.
Use a well-draining potting mix and a container with drainage holes.
Avoid placing rosemary in a dark corner or near a source of constant moisture.
Indoor rosemary should not be watered too frequently.
Allow the soil to dry between waterings.
Good air circulation is also helpful.
If the plant becomes thin or leggy, insufficient light may be the cause.
Move the rosemary plant closer to a brighter window or consider supplemental lighting.