Sunday, April 14, 2019

Horehound Monograph


BeWell Bohemia Herbs & Things
Herbal Monograph, by Brooke Criswell 
Horehound- Marrubium vulgare

While I have heard of horehound, plant and candy, the plants I sprouted from seed are the first I have met in person. Upon meeting horehound, I am an admirer. The leaves are soft and a bit furry feeling, a delight to touch. They have a wonderful shape, too, ovate with a slight droop toward the ground, in grace. I look forward to watching them grow and working with them in my home apothecary. The seed packet assures me they are perennial plants,1 and I am glad they will remain in my garden over time. Rodale’s Illustrated Encyclopedia of Herbs confirms perennial status and states horehound is hardy to zone 4.2

I am anticipating a mutually beneficial relationship between horehound and myself. The plant inspires a smile each time I see its lovely leaves, or brush its soft furry texture. The blooms attract both bees and beneficial insects, so the other garden plants will gain from horehound’s addition to the garden. I foresee its assertive personality, mint like, and will plant it in its own beds, generally in places other plants might not succeed. The rocky ground by my shed, for example, and in the bed beside the compost bin that has the benefit of edging to keep the horehound contained.

I am sure I will learn much about and from horehound this growing season.




Garden Use
Growing Conditions
            Preferences

     Full sun

     Sandy Soil

     Nearly neutral pH 6.9

     Tolerates nutrient poor soil

     Low water requirements / drought tolerant

 
Plant details
Height 1ft – 2 ft
Width 1 ft
Horehound grows in bushy shape.
             

Flowers in mid-summer through frost, often not appearing until second year.
           
Companion Planting Affiliations
According to the National Gardening Association website, “As a companion plant, horehound stimulates and aids fruiting in tomatoes and peppers. Like many varieties in the mint family, the tiny flowers attract many beneficial insects such as Braconid and Icheumonid wasps, and Tachnid and Syrid flies. The larva forms of these insects parasitize or otherwise consume many other insect pests. It grows where others fail to thrive and can survive harsh winters. It blooms over a long season, attracting beneficial insects almost as long as you are likely to need them.”3        

Bees are a fan of horehound flowers, so in addition to attracting beneficial insects, horehound supports pollinators.

Horehound “grows nicely” with thyme, rosemary, feverfew, and oxeye daisy.4 Sounds like a group for an herb bed to me.

Care notes
Be sure not to over-water horehound, as that will impede its growth.5 Horehound grows in clumps and readily reseeds itself. Like many members of the mint family, it is tenacious and assertive, and may, given the freedom, take over a bed.  As easygoing as it is tenacious, horehound will tolerate rocky soil. It springs up in disturbed areas, implying horehound can thrive in conditions other plants find challenging: poor soil, competition, etc.




Herbal Use

Parts Used
            Aerial parts – leaves, stems, flowers

When to Harvest
     Harvest any time throughout growing season.
     Use snips to cut stems
     Use fresh when possible, some flavor (and constituents) lost in drying
     Dry in bunches hanging upside down or on screens in a space out of the light and with ai circulation
           
How to Prepare
            Horehound is a mildly bitter herb rich in tannins. Small quantities impart strong effect, so horehound is more suited to preparations rather than tea. Below I offer a variety of ideas. The bitter flavor of horehound stimulates digestive juices, so consider adding a pinch of horehound to a before meal tea – chamomile with a dash of horehound, for example.

Herbal Preparation Ideas

Use horehound as:
     As a refreshing cool beverage
On a hot summer day, or any time you want to enjoy a flavorful refreshing treat, have some iced tea, or lemonade (or half lemonade / half tea) with horehound and fennel seed.
            Make your tea or lemonade as usual, then add some fennel seed and a sprig of horehound.
            Enjoy over ice.

     As a sore throat soother
 The mucilaginous aspect and vitamin C content contribute to horehound’s reputation as a cough soother. You can take as syrup, elixir, ‘candy’ or decoction.

Decoction –2
            Combine horehound and water in a pan with a close-fitting lid
1tsp dried (1 TBS fresh) horehound leaves
8 oz water
Cover with lid
Bring water to simmer
Simmer 15 minutes – 22 minutes
            Be sure water does not evaporate
Strain

Take decoction 1 tablespoon at a time, and no more than 1 cup a day.
           
Infuse the herb in boiling water to extract many of the beneficial constituents.

If you are feeling adventurous or prefer a sweeter dose when your throat is dry, achy, and you are coughing, then make a batch of horehound drops, a candy kind of thing.
A.    Start by making an infusion of horehound leaves
1.      Chop 1 cup of fresh horehound leaves and place in quart mason jar
2.      Boil water
3.      Pour over leaf material in mason jar
4.      Cover
5.      Let steep 15 minutes.
6.      Strain (you can compost that leaf material)
B.     Pour the horehound infusion, (after straining!) into a saucepan
1.      Turn heat to simmer
2.      Add sugar
3.      Increase heat to boiling
4.      Boil until mixture reaches thick consistency
5.      Pour into shallow pan
6.      Cut into squares when cool
If you are thinking, “this is a rather simplistic and imprecise recipe for candy making,” I agree. I have not made horehound candy yet, not until my plants are ready for harvest can I try it, so I don’t yet have the specifics or experience necessary. I am sharing the basic recipe I found in a few locations, including Rodale’s Illustrated Encyclopedia of Herbs.2
If you want a hard tack recipe, or a step-by-step recipe, many can be found on the internet or in recipe books, so I send you there.  
If you want something sweet, but are hesitant to make candy, then make a syrup.
A.    Start with the infusion described above
B.     Be sure to strain infusion before next step
C.     Combine 2 parts infusion with 1 part sweetener in a pan (the following specifics are from an herbal syrup recipe posted on the Herbal Academy Blog:5
a.      If using honey, very gently heat until the honey just dissolves being careful not to boil the syrup. This helps to preserve the beneficial, naturally occurring enzymes in the honey.
b.      If using sugar you have the option of bringing the syrup up to a gentle boil and simmering for up to an additional 30 minutes to thicken the syrup further. Or you can simply reheat the syrup enough to easily dissolve the sugar.
D.    Pour syrup in sterile glass bottles
E.     Affix labels identifying ingredients, date made, and intended dose.

The Herbal Academy Herbal Syrup blog post explains the following regarding dose, “The dosage will depend on the herbs used in the syrup, the situation being addressed as well as the age of the recipient. A general dosage is a ½ teaspoon to 1 tablespoon taken 1 to 3 times a day with increased frequency during an acute phase of symptoms.”5
The 2 parts infusion to 1 part sweetener syrups will last 3 months stored in the refrigerator. If you alter your ratio by adding more sweetener, the shelf life will increase. Experiment for taste.
Cautions/Considerations
            High doses of horehound can be purgative.
            Do not confuse Horehound (Marrubium vulgare) with black or stinking horehound (Ballota nigra), which is a strong smelling weed that may be toxic in large quantities. 




Bibliography


1.      Horehound Seed Packet. Lake Valley Seed Company. Packed for 2019

2.      Kowalchik, Claire, et al. Rodale's Illustrated Encyclopedia of Herbs. Rodale Press, 1987.

3.      “All About Horehound.” Garden.org, 2 Dec. 2011, garden.org/ideas/view/wildflowers/191/All-About-Horehound/.

4.      Hartung, Tammi. Growing 101 Herbs That Heal. Storey Books, 2000.

5.      “How to Make an Herbal Syrup.” Herbal Academy, 10 Jan. 2018, theherbalacademy.com/herbal-syrup/

 


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