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Herbs have accompanied humanity since time immemorial and many of them grow literally at our feet. One of the most valuable, yet often overlooked plants is common knotgrass (Polygonum aviculare L.). This small herb commonly grows along roads, in meadows or in gardens and people usually consider it a weed. In fact, it belongs among medicinal herbs that can support kidney function, cleanse the blood, strengthen immunity and relieve many health ailments.
What common knotgrass looks like and where to find it
Common knotgrass is a low-growing plant reaching a height of 10–40 centimeters. It has small elliptical leaves and inconspicuous greenish flowers with whitish or pinkish edges. The fruits are dark little balls resembling tiny nuts. Thanks to its hardiness it grows almost everywhere – from gardens, along roads to field edges. It is found especially in sunny places where it thrives best.
Medicinal effects of common knotgrass
Folk medicine has used knotgrass for centuries and modern research confirms its effects. Due to its content of flavonoids, tannins and antioxidants it acts anti-inflammatory, antibacterial and diuretic. Regular use can bring a number of health benefits:
- Cleanses the blood and supports the elimination of harmful substances – it helps remove toxins from the body and reduces the burden on the liver.
- Supports kidney function and the urinary tract – it has diuretic effects and helps with minor kidney problems.
- Relieves coughs and respiratory tract inflammations – knotgrass tea eases expectoration.
- Reduces joint inflammation and gout – it helps with rheumatic complaints.
- Supports women’s health – it is used for menstrual problems and to stop bleeding.
Herbal tea: How to prepare an infusion of common knotgrass
One of the simplest ways to use this herb is to make a herbal tea. Simply:
- 1–2 teaspoons of dried aerial parts of knotgrass
- 250 ml boiling water
Pour hot water over the herb and let it steep for 10–15 minutes. Drink the tea 1–2× a day. It has a mild taste and is beneficial to the body. Fresh young leaves can also be added to smoothies or salads.
Natural remedies with knotgrass
Natural treatment with common knotgrass offers many possibilities. In folk medicine it was used externally as well – fresh crushed leaves were applied to irritated skin, insect bites or small wounds. Because of this the herb soothes and promotes healing.
What to watch out for
Although it is a common plant, it is important to collect it only in clean places, away from roads and chemically treated fields. Pregnant and breastfeeding women should consult a doctor before use.
Conclusion
Common knotgrass is an herb that deserves our attention. Although many consider it an ordinary weed, it hides great power. It cleanses the blood, supports kidney function, relieves coughs, helps with gout and can strengthen the immune system. If you are looking for a way to support your health naturally, include this unobtrusive plant in your herbal repertoire.
