Rosemary (Rosmarinus officinalis) is a fragrant evergreen herb native to the Mediterranean region. Known for its distinctive aroma and flavor, you probably know that rosemary is widely used in cooking. Beyond that, it also boasts a variety of health benefits and medicinal uses.
I love rosemary. I genuinely love it.
It grows next to the fence in my garden, close to the lavender, and I have a couple of big bushes in pots on the porch too. Every now and then I shorten them — and that’s honestly about all the maintenance they need. If you’re looking for a herb that basically takes care of itself and gives you so much in return, rosemary is it.
Why I Started Using It Beyond Cooking
I’ve always cooked with rosemary — bread, roasted vegetables and meat. But at some point I started paying attention to what it actually does for the body, and that’s when things got interesting. As a pharmaceutical plant, it’s an excellent stimulating, spasmolytic, cholagogic, and carminative.
There are real studies behind rosemary and memory. It’s believed to increase acetylcholine levels — a neurotransmitter connected to memory and learning. I don’t know about you, but as a mom running a household, homeschooling, and managing approximately a thousand things at once, I’ll take all the memory support I can get. So now when I feel foggy or scattered, rosemary tea is the first thing I reach for.
How I Actually Use It
Rosemary tea
This is my regular one — I make it when I feel I need it, not on a fixed schedule. Fresh or dried leaves steeped in hot water for a few minutes. It helps with digestion too, which is something I noticed quite quickly. Bloating, heaviness after eating — a cup of rosemary tea after a meal makes a real difference.
Rosemary infused water
Simple and something I make regularly. A few sprigs in a jug of cold water, left in the fridge for a few hours. It’s a subtle flavour but I love it, and it’s a nice way to get the benefits without making a tea every time.
Rosemary infused oil
This one I make once a year — I take the cuttings when I shorten the bushes, which feels like the right time. I dry the rosemary first, then infuse it in olive oil. I use it in cooking and also for my hair and eyebrows. Rosemary oil is genuinely good for hair growth — this is also backed by studies — and I’ve been using it on my eyebrows for a while now. I can’t say I have scientific before and after photos, but I can say my eyebrows are doing well and I’m not stopping anytime soon.
What’s Actually in Rosemary
Since I’m a hobby herbalist and not just a mom cook, I do pay attention to what I’m working with.
Rosemary is rich in antioxidants — carnosic acid and rosmarinic acid — which help protect cells from damage. It has anti-inflammatory properties, supports the immune system, helps with circulation, and has been used for centuries for digestion. In Germany it’s actually officially approved for digestive ailments, which always reassures me that I’m not just making things up in my kitchen.
It’s also worth knowing that rosemary has been used since ancient times — burnt on altars, used in Egyptian burial rituals, and valued across cultures for centuries. There’s a long history behind this plant, which is part of why I take it seriously as more than just a cooking herb.
One Important Thing — Rosemary Can Be Dangerous in Large Amounts
I want to be clear about this because I think the “it’s natural so it’s safe” assumption gets people into trouble. Rosemary is a powerful medicinal plant and in large doses it can cause seizures, vomiting, and in extreme cases it can be fatal. This is not me being dramatic — it’s documented.
A cup of tea, some infused water, a little oil on your hair or scalp — all completely fine and how I use it regularly. But concentrated preparations, essential oil taken internally, or very large amounts of any rosemary preparation are a different story entirely.
Rosemary is also not recommended during pregnancy — it can stimulate the uterus in large amounts.
Use it as a herb, respect it as a medicine. That’s the approach I take with everything I grow.
Why I’ll Always Grow It
It asks for almost nothing. Sun, occasional watering, a trim now and then. And in return I get fresh rosemary for cooking year round, material for my annual oil, and sprigs for tea whenever I need them. It grows happily next to the lavender, which I also love, and the two of them together make that corner of the garden smell incredible in summer.
If you only grow one herb, that is always healthy, evergreen, grow rosemary. But if you already cook with it and have never tried the tea or the oil — start there. It’s worth it.
This is how I use rosemary in our home — not medical advice. If you have any health conditions or take medication, check with your doctor before using herbal preparations regularly.
Health Benefits of Rosemary
Rich in Antioxidants and Anti-Inflammatory Properties
Studies show that rosemary is packed with antioxidants, such as carnosic acid and rosmarinic acid, which help protect cells from oxidative damage and reduce the risk of chronic diseases.
The biological properties in rosemary are mainly due to phenolic compounds. It can help reduce inflammation in the body, making it beneficial for conditions like arthritis and inflammatory bowel diseases.
Improves Digestion
It can stimulate the production of bile, which is essential for digestion. It helps relieve indigestion, bloating, and gas, promoting overall digestive health.
Enhances Memory and Concentration, Neuroprotective Effect
It has been shown to improve memory, concentration, and overall cognitive function. The herb is believed to increase the levels of acetylcholine, a neurotransmitter important for memory and learning. Some studies suggest that rosemary may help protect the brain from age-related decline and neurodegenerative diseases like Alzheimer’s.
Supports Immune System
Its antimicrobial properties help boost the immune system and protect against infections. Its antioxidants also support overall immune health.
Relieves Congestion
It can help alleviate respiratory issues such as coughs, colds, and congestion. Its anti-inflammatory properties can soothe the respiratory tract.
Pain Relief & Natural Analgesic
It has analgesic properties that can help reduce pain, including headaches, muscle pain, and joint pain.
Hair and Scalp Health
Rosemary oil is commonly used to stimulate hair growth and improve scalp health. It can help treat dandruff and prevent hair loss. Regular use of rosemary oil can make hair stronger, shinier, and healthier.
Skin Health
Its antimicrobial and anti-inflammatory properties make it effective for treating skin conditions such as acne, eczema, and minor wounds.
Enhances Blood Flow
It can improve blood circulation, which is beneficial for overall cardiovascular health. Better circulation can also help reduce the risk of blood clots and varicose veins.
Boost Metabolism and Helps with Weight Loss
It has been used for years as a spice for its medicinal benefits and is approved in Germany for digestive ailments. More recently, rosemary is thought to help ward off hunger and may aid with weight loss.
It is naturally rich in carnosic acid, and in this way it inhibits the formation of fat cells. It also helps muscles soak up glucose and in this way it helps to lower blood sugar levels.
Uses of Rosemary
Culinary Use
Rosemary is a versatile herb that adds flavor to a variety of dishes, including meats, sausages, poultry, meat, cheese, soups, salads, stews, and roasted vegetables. It pairs well with garlic, lemon, and olive oil. You can use it in breadmaking.
Herbal Tea
Brew fresh or dried rosemary leaves in hot water to make a refreshing herbal tea that can aid digestion and boost cognitive function.
Essential Oil
Use rosemary essential oil in aromatherapy to improve focus and reduce stress. It can also be diluted with a carrier oil for topical application to treat skin and scalp conditions.
Infused Oil
Prepare rosemary-infused oil for culinary use or as a massage oil to relieve muscle and joint pain.
Infused Water
If you need some more inspiration, try these 8 Mediterranean Herb Detox Water Recipes.
→ Related: How I make rosemary infused oil — step by step → Related: Lavender in my garden — how I use it
