The urens part means 'burning' so they are said to … The annual nettle does not have long-lasting roots, but does produce very large numbers of seeds from an early age. It is a small to mid-size, upright, broadleaf weed with bristly, deeply serrated leaves. Nettle rash is a condition that is due to an immune system problem, and not usually from exposure to nettles. Rain or shine - can you help us measure the weather? In the spring, stinging nettle leaves are bright green and tender. But they can also engulf borders and rough ground in a short space of time, compete with garden plants and pose a risk from their stinging hairs. The leaves have distinctly serrated edges, with each leaf margin looking like a row of pointed teeth. Stinging Nettle Look Alikes Please note that this post is most relevant to central MN. They also often grow in masses, forming a monoculture. Some of the stems and leaves may have a reddish hue. Dead nettles have no sting but probably evolved to look like stinging nettles as a defence against predators. It primarily grows in damp, fertile soil. The tall green plant, which resembles mint, is covered in delicate white flowers and tiny hairs. We've pulled together some of the best facts about Big Garden Birdwatch! If you touch a plant that looks like nettle and gives you a noticeable sting, it is probably stinging nettle. However, annual nettles can be very numerous in cultivated soils, Neglected areas can be cleared of established nettles by spraying them with a glyphosate-based weedkiller (such as Roundup Ultra, SBM Job done Tough Weedkiller (soluble sachet only) or Doff Maxi Strength Glyphosate Weedkiller) which should be applied as a spray in June, shortly before they flower, A second application may be necessary in September, Check again in early spring and fork out any surviving roots, In rough grassland, where glyphosate would kill the grass, use the selective weedkiller Vitax SBK Brushwood Killer which contains triclopyr. The leaves and stem are vibrant green and pubescent (hairy), sometimes with a hint of purple. The rash appears on the skin as red areas that may be raised in the skin. Though it was once localized to Europe, Asia, and parts of North Africa, nettle is now found all over the world. Burning nettle (Urtica urens) grows in various areas across the Eastern, Central and Western United States. If you see a group of such plants, look for those noxious bristly hairs along the stems of the plants and on the undersides of their leaves. By summer and early fall, the leaves darken and look coarse while the plants get rangy looking. Please note that each and every hedgerow item you … When we look at the leaves we can see how very similar they are in shape. Nettles are very tolerant of extreme climatic conditions, germinating readily from seeds. The perennial stinging nettle (Urtica dioica) is a perennial, herbaceous plant with creeping roots. The stinging nettle is a plant found practically all over the world. Adrian Thomas, the RSPB South East’s gardening author, says, “I like my garden first and foremost to look good, but I still find a bit of room to grow some nettles, and because of that I can enjoy seeing moths such as the Small Magpie and the gorgeous Mother of Pearl. 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