The height of the stem can be 80-cm. How to Disinfect a Needle With Fire In the Wilderness. that is invading my yard, see pictures. Lawn burweed (Photo courtesy of Alabama Extension) By Bethany A. O'Rear. As for the sow thistle’s botanical name: Sonchus is the ancient Greek name for the plant and means “hollow” referring to the plant’s hollow stem, a point of identification. Annual, spreading by seed which have short plumes (pappus) of silvery-green hairs. Description. To get the most out of harvesting sow thistle, its good to look for younger weeds, which are flavorful and best to harvest when they are about 4 to 12 inches high. Sonchus oleraceus used in the treatment of headaches, general pain, diarrhea, menstrual problems, fever, hepatitis, salmonella infection, wars, eye problems, liver infections, infections, inflammation and rheumatism. Sow thistle plants grow wild all over the United States. Urticaria is simply an itchy, stinging, hive-like rash that irritates the skin. Many types of thistles and plants cause similar reactions, and if … I have tried pulling them out, but they always return and seem to be multiplying exponentially. My theory is that they come back because they have a deep root system that is expanding under ground, and when I pull the leafy plant, the root remains and sends up replacements. When tackling these weeds in their garden, you may have the unfortunate luck to find out that you are allergic to it. Sonchus oleraceus (sow thistle) is commonly used as a fodder. A tough weed to kill, the flower heads on thistles possess thousands upon thousands of thistle seeds, which allows them to spread at an exponential rate both above and below the soil. Although grazing animals (and butterflies) actually prefer the Sonchus to grass farmers rant about the plant because it’s a weed amongst their crop. It often has branches on its basal part. Older plants can be simmered to reduce bitterness and soften the prickly spines. Common names: Sonchus asper, the prickly sow-thistle, rough milk thistle, spiny sowthistle, sharp-fringed sow thistle, or spiny-leaved sow thistle. The competitiveness of wheat is greatly influenced by row spacing and to a lesser extent by crop density. I have a prickly weed (a thistle?) Botanical Name: Sonchus asper Other names: Spiny sow-thistle, Spiny milk-thistle, Spiny-leaved sow-thistle, Spiny annual sow-thistle Family: Asteraceae. Because their seed is numerous, quick to germinate and airborne, thistle plants can spread far and wide. Prickly Sow-thistle. Prickly Sowthistle Sonchus asper Aster family (Asteraceae) Description: This plant is a spring or summer annual (usually the former) that becomes 1-3' tall, branching sparingly in the upper half. lawn-burweed-343x275.jpg. Knowing the best strategies for how to get rid of thistle will help you rid your garden and lawns of these pesky intruders before they completely take over. 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