As summer winds down, we’ve been busy harvesting herbs and preparing our medicine cabinet for the colder months ahead. One staple we won’t go without is homemade cough syrup. This year, with a lighter harvest of mullein flowers, we’re focusing on the power of horehound—an age-old cough remedy that’s just as potent and incredibly effective. By combining it with thyme, mullein leaf, fresh ginger, and raw local honey, we’ve crafted a batch of syrup that’s soothing, supportive, and ready for whatever winter throws our way.
The Medicinal Power of Horehound, Thyme, and Mullein
Horehound
Horehound has a centuries-old reputation as a natural remedy for respiratory issues. Its bitter compounds, especially marrubin, act as potent expectorants: they help thin and move stubborn mucus, calm coughs, and soothe sore throats. Horehound also offers mild pain-relieving and anti-inflammatory benefits, making it perfect for both dry and wet coughs.
Thyme
Thyme is another traditional favorite for cough and chest complaints. It’s rich in thymol, an essential oil that has strong antimicrobial, expectorant, and antispasmodic properties. Thyme helps the body expel mucus, eases spasms in the bronchial passages, and is known for supporting overall respiratory health.
Mullein Leaf
While we usually use the flowers, mullein leaf is still a wonderful addition to cough syrups. It’s soothing, gentle, and helps clear congestion from the lungs. Mullein has both expectorant and demulcent actions—loosening phlegm and calming irritation—making it ideal for wet coughs, bronchitis, and irritated throats.
Recipe: Soothing Horehound Cough Syrup
Ingredients:
- 2–3 tablespoons dried horehound
- 2–3 tablespoons dried thyme
- 2–3 tablespoons dried mullein
- 2–3 slices fresh ginger
- 1 cup raw local honey
Instructions:
- Prep the Herbs: Lightly grind or crumble the dried herbs to break them up.
- Simmer: Add all herbs and ginger to a pot with 1 quart of water. Heat gently to about 190°F (do not boil).


3. Steep: Simmer at 190°F for about 30 minutes, then turn off the heat. Let the mixture steep for at least 1 hour (longer if you have time—up to 2 or 3 hours for a richer extract).
4. Strain: Remove the herbs by pouring the liquid through a fine mesh strainer or cheesecloth. Return the herbal tea to the pot.

5. Honey Blend: Gently warm the tea to about 95–110°F (lukewarm), add the raw honey, and stir until fully dissolved. (Do not overheat, as this will destroy the enzymatic benefits of raw honey.)


6. Bottle: Remove from heat and, using a funnel, transfer the syrup into clean glass jars or bottles. Allow to cool completely before sealing.

7. Label & Store: Store your cough syrup in the fridge for 2–3 months.
Dosage:
- Adults: 1 tablespoon every 4 hours as needed
- Older children: 1 teaspoon every 4 hours as needed
Why Make Your Own?
With this simple recipe, you’re not only maximizing the potency of your home-grown herbs but also creating a remedy free from artificial colors, flavors, and additives. Horehound cough syrup is time-tested and, when paired with thyme, mullein, and ginger, offers soothing relief for all sorts of winter coughs and throat complaints.
If you’re prepping your herbal apothecary for winter, we can’t recommend this syrup enough. It’s become a staple in our home, and we’re grateful every year we can bottle a bit of the summer’s harvest for the cold season ahead.
Stay well and herbal—may your family’s winter be peaceful and full of comfort!
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