Green Leaves Of Green Rosemary. Perennial Herb With Fragrant, Evergreen. Rosemary Used As A Flavoring In Foods Such As Stuffing And Roast Meat.

Rosemary plant: How to take care? Common causes of dying? And how to use it?

How to take care of rosemary plant? What is the common cause of dying potted rosemary? Click here to learn more

The rosemary plant (Salvia rosmarinus) is a fragrant herb that grows as a perennial, evergreen shrub. It has slender, needle-like, grey-green leaves on upright woody stems. Clusters of small, light blue to white flowers usually appear in late spring to early summer, but they can bloom at other times of the year as well.

Plant rosemary in the spring after the danger of frost has passed. You can also grow rosemary indoors as a houseplant, but it is more challenging to keep it alive, and it typically won’t live as long as an outdoor plant, which can survive up to ten years. Rosemary takes some time to establish and has a moderate growth rate, reaching its mature size after several years. In ideal conditions, it can grow up to 30 centimetres in one summer.

You might also read:

How to take care of rosemary plant

Taking care of a rosemary plant is relatively easy, making it a popular choice for both seasoned gardeners and beginners. Rosemary is a hardy, evergreen shrub known for its aromatic leaves and beautiful blue flowers. It’s often used in cooking, but its ornamental qualities make it a delightful addition to any garden or indoor space. Here are some essential tips to help you successfully grow and maintain a healthy rosemary plant.

Choosing the Right Location

Rosemary thrives in a sunny location. It needs at least six to eight hours of direct sunlight each day. If you’re growing rosemary indoors, place it in a south-facing window where it can get ample sunlight. Outdoors, choose a spot that receives full sun.

Soil Requirements

Rosemary prefers well-drained soil. It doesn’t do well in heavy, clay soils that retain water. If you’re planting rosemary in a garden, make sure the soil is light and well-draining. You can improve soil drainage by adding sand or perlite. For potted rosemary, use a cactus or succulent potting mix, or create your own blend with regular potting soil and sand.


One of the key aspects of caring for rosemary is proper watering. Rosemary is drought-tolerant once established and prefers to be on the dry side. Water the plant thoroughly when the top inch of soil feels dry, but avoid overwatering, which can lead to root rot. In the summer, outdoor rosemary may need watering once a week, while indoor plants might need it every two weeks. In the winter, reduce watering since the plant’s growth slows down.

Green Rosemary Herb growing in a Pottery Pot with Mezzaluna Herb Choper and Pestle and Mortar


Rosemary doesn’t require a lot of fertilizer. Feeding it once or twice a year with a balanced, all-purpose fertilizer is usually sufficient. Over-fertilizing can lead to excessive growth that is less flavorful and aromatic. In the growing season (spring and summer), you can use a diluted liquid fertilizer once a month if desired.


Pruning is important to keep your rosemary plant healthy and encourage bushy growth. Trim back the plant regularly to prevent it from becoming leggy and to remove any dead or damaged branches. Pruning can be done throughout the growing season, but avoid heavy pruning in the fall as this can make the plant vulnerable to winter damage.

Temperature and Humidity

Rosemary prefers temperatures between 60-75°F (15-24°C) during the day and slightly cooler temperatures at night. It can tolerate cooler temperatures, but prolonged exposure to temperatures below 30°F (-1°C) can damage the plant. If you live in an area with harsh winters, consider bringing your rosemary indoors or protecting it with a frost cloth.

Pests and Diseases

Rosemary is relatively pest-resistant, but it can occasionally be affected by aphids, spider mites, or powdery mildew. Regularly check your plant for signs of pests or disease. If you notice any, treat the plant promptly with insecticidal soap or neem oil. Good air circulation and avoiding overhead watering can help prevent powdery mildew.


You can harvest rosemary leaves as needed throughout the year. Use sharp scissors or pruning shears to snip off sprigs, taking care not to remove more than one-third of the plant at a time to avoid stressing it. Fresh rosemary can be used immediately, or you can dry it by hanging the sprigs upside down in a cool, dark place.

Indoor vs. Outdoor Care

Growing rosemary indoors requires more attention to humidity and light levels. Indoor air can be dry, especially in winter, so misting the plant occasionally or using a humidity tray can help. Make sure the plant gets enough light, either from a sunny window or by supplementing with grow lights.

What is the common cause of dying potted rosemary?

One of the most common causes of a dying potted rosemary plant is overwatering. Rosemary is a drought-tolerant herb that prefers its soil to dry out between waterings. Overwatering can lead to root rot, a condition where the roots are unable to absorb oxygen due to being constantly saturated with water. This creates an environment conducive to fungal growth, which can severely damage or kill the plant.

Signs of Overwatering

  1. Yellowing Leaves: One of the first signs of overwatering is yellowing leaves, especially the lower ones.
  2. Wilting: Although it may seem counterintuitive, overwatered plants can appear wilted.
  3. Mushy Stems: The stems near the base may become soft and mushy.
  4. Foul Smell: The soil may emit a foul odor, indicative of root rot.

How to Prevent Overwatering

  1. Well-Draining Soil: Use a potting mix designed for succulents or cacti, or create your own mix with regular potting soil and added sand or perlite to ensure good drainage.
  2. Proper Pot Selection: Ensure the pot has drainage holes at the bottom to allow excess water to escape.
  3. Watering Schedule: Allow the top inch of soil to dry out completely before watering again. This might mean watering less frequently, especially in cooler months when the plant’s growth slows down.
  4. Check Moisture: Use your finger or a moisture meter to check the soil moisture level before watering.
top view rosemary isolated on white background

Other Potential Causes

While overwatering is the most common cause, other factors can also contribute to the decline of a potted rosemary plant:

  1. Insufficient Light: Rosemary needs at least six hours of direct sunlight daily. If grown indoors, place it near a sunny window or supplement with grow lights.
  2. Poor Air Circulation: Lack of airflow can lead to fungal issues. Ensure there is good air circulation around the plant.
  3. Nutrient Deficiency: Although rosemary doesn’t need heavy feeding, a lack of essential nutrients can weaken the plant. Fertilize sparingly with a balanced, all-purpose fertilizer.
  4. Temperature Extremes: Rosemary prefers moderate temperatures. Avoid placing the plant in areas with extreme temperature fluctuations, such as near heating vents or drafty windows.
  5. Pest Infestation: Occasionally, pests like aphids or spider mites can infest the plant. Regularly check for signs of pests and treat them promptly with insecticidal soap or neem oil if necessary.

Reviving an Overwatered Rosemary Plant

If you suspect your rosemary plant is suffering from overwatering, take immediate steps to revive it:

  1. Stop Watering: Allow the soil to dry out completely.
  2. Check Roots: Carefully remove the plant from the pot and inspect the roots. Trim away any black, mushy roots.
  3. Repot: If the roots are severely damaged, consider repotting the plant in fresh, well-draining soil.
  4. Improve Drainage: Ensure the new pot has adequate drainage holes, and consider placing a layer of gravel or stones at the bottom of the pot to enhance drainage.
  5. Adjust Watering Practices: Modify your watering schedule to prevent future overwatering.

By understanding and addressing the common causes of decline in potted rosemary plants, you can help ensure your rosemary thrives and continues to provide its wonderful fragrance and culinary benefits.

The uses of rosemary

Rosemary is a versatile herb with a wide range of uses, both culinary and non-culinary. Its distinctive aroma and flavour make it a popular ingredient in many dishes, while its medicinal and practical applications have been valued for centuries. Here are some of the key uses of rosemary:

Culinary Uses

  1. Flavouring Dishes: Rosemary’s strong, pine-like flavour makes it a great addition to a variety of dishes, including roasted meats, poultry, and vegetables. It’s commonly used in Mediterranean cuisine.
  2. Herb Blends: It’s a key ingredient in herb blends like Herbes de Provence and Italian seasoning.
  3. Infused Oils and Vinegars: Fresh rosemary can be used to infuse oils and vinegar, adding a burst of flavour to salads, marinades, and dressings.
  4. Baking: It can be added to breads, focaccia, and even some desserts for a unique twist.
  5. Teas: Rosemary can be brewed into an herbal tea, which is believed to have various health benefits.
Goose breast roasted with rosemary in a pan

Medicinal Uses

  1. Digestive Aid: Rosemary has traditionally been used to help with digestive issues, such as bloating and indigestion.
  2. Anti-Inflammatory Properties: It contains compounds that have anti-inflammatory effects, which can be beneficial for conditions like arthritis.
  3. Memory and Concentration: Some studies suggest that rosemary may help improve memory and cognitive function.
  4. Antioxidant: Rich in antioxidants, rosemary can help protect the body against damage from free radicals.

Aromatherapy and Beauty

  1. Essential Oil: Rosemary essential oil is used in aromatherapy for its invigorating and clarifying properties. It is often used to reduce stress and improve focus.
  2. Skincare: The oil is also used in skin care products for its astringent and antiseptic properties, helping to cleanse and tone the skin.
  3. Hair Care: Rosemary oil is believed to promote hair growth and is often used in shampoos and scalp treatments.

Practical Uses

  1. Natural Pest Repellent: Rosemary can be used as a natural insect repellent in gardens and homes.
  2. Air Freshener: The herb can be used to make natural air fresheners, either by using dried sprigs or essential oil.
  3. Crafts: Dried rosemary can be used in wreaths, potpourri, and other decorative crafts.


  1. Companion Planting: Rosemary can be planted alongside other garden plants to help repel pests and improve growth.
  2. Ornamental Plant: Its evergreen nature and attractive foliage make rosemary a popular choice for ornamental planting in gardens and containers.


Rosemary is much more than just a flavorful herb. Its uses extend into health, beauty, and practical applications, making it a valuable plant to have on hand. Whether you’re cooking up a delicious meal, creating a relaxing environment, or enhancing your beauty routine, rosemary offers a multitude of benefits.

Leave a Reply

Your email address will not be published. Required fields are marked *