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How to Grow & Harvest Horehound

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How to Grow & Harvest Horehound

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Horehound (Marrubium vulgare) is a European herb that has been used medicinally since antiquity. It's a perennial in the mint family. You can start your horehound plant from seeds or cuttings---early spring is the best time to get it going. It spreads rapidly in most climate zones. A tea from the fresh leaves and flowers is used for lung congestion of colds, flu, laryngitis or other bronchial ailments. Horehound's dried leaves and flowers add a nice scent, beauty and interest to dried arrangements and you also can store them to use as tea during the winter when your plant is dormant.

Step 1

Fill pots or flats with standard potting soil in fall or spring and then sprinkle the surface with water.

Step 2

Scatter horehound seeds on top of the damp soil and then press them gently into the soil with your palm. If you are using a rooted plant division, poke a hole large enough for the roots and then pat the soil down around its base.

Step 3

Transplant 1-inch seedlings into individual 3-inch pots using the same type of potting soil you used to start your seeds.

Step 4

Transplant your young plants to a sunny spot in your garden in spring when they are 3 to 4 inches tall.

Step 5

Dry horehound by collecting small bundles of the fresh plant and hanging them in a warm, dark, dry, well-ventilated place, such as your garage. Then store it in sealed jars you keep in a dark place.

Step 6

Make tea from either the fresh or dried plant: Place about 3 tablespoons of the chopped leaves and/or flowers into a teacup and then pour boiling water over it. Allow to steep for five minutes and then sweeten with sugar or honey to taste.

Tips and Warnings

  • Always use caution when you use any herb as medicine.

Things You'll Need

  • Seeds or plant divisions
  • Nursery pots or flats
  • Standard potting soil
  • 3-inch pots
  • Poor to average garden soil
  • Full sun


  • Learninginfo.org: Horehound Herb
  • Herbs2000.com: Horehound Profile
Keywords: horehound herb, Marrubium vulgare, horehound tea

About this Author

Barbara Fahs lives on Hawaii island, where she has created Hiā€˜iaka's Healing Herb Garden. Barbara wrote "Super Simple Guide to Creating Hawaiian Gardens," and has been a professional writer since 1984. She contributes to Big Island Weekly, Ke Ola magazine, GardenGuides.com and eHow.com. She earned her B.A. at UCSB and her M.A. from San Jose State University.

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