Sonchus oleraceus), also known as milk thistle, is widespread across the grain-growing regions of Queensland and northern New South Wales. Sow thistle can be found just about everywhere. 794 (1753). Synonymy: Sonchus tenerrimus Common name: Common sow-thistle, milk thistle. Sow thistles are an erect, herbaceous, taprooted annual that can grow to over 1m in height if the plant is damaged or cut it exudes a milky latex. Also known as Sonchus oleraceus, sowthistle, smooth sow thistle The earth cracks between weeds in a farmer's field near Griffith, 400km (249miles) north of Melbourne, August 22, 2007. Thistles grow as a rosette of leaves close to the ground from which grow tall stems carrying the flowers. Maui, Hawaii, USA. It does contain toxic compounds that can cause poisoning in grazing animals. Unfortunately, with so many needing to find relief, it’s leading to a large portion of our population becoming dependent on a chemical bandage, often just masking the problem, rather than fixing the … of Primary Industries, Water and the Environment, Tasmania. Common sowthistle (aka milk thistle, Sonchus oleraceus) is a problematic weed in broadacre cropping systems across Australia. The licence does not apply to ‘branding’ or some ‘images or photographs’ that may be owned by third parties. Rough Sowthistle is an erect, branched annual or biennial herb about 1 m tall with hollow stems which have a milky sap. Its edible leaves make a palatable and nutritious leaf vegetable. Description: Milk thistle or sowthistle is a common weed which grows annually. The stem leaves are somewhat smaller and stem clasping. https://www.victoriaferguson.com.au/poisons-affecting-horses/, COBBLER’S PEGS aka FARMER’S FRIEND  Latin name Bidens pilosa. Ready For More Information. Horses are unlikely to eat it unless they have little else to eat, especially in terms of green. Plant Description: Annual to biennial 20-150 cm tall with variously lobed, lanceolate (lance-shaped) or oblanceolate leaves, bright green but often with a … Botanical Name: Sochus spp. Native to South America and naturalized throughout Australia this is a highly valued medicinal herb. Family: Asteraceae Lifecycle: Annual Seasons of Growth: Autumn / Spring. Recently one of my clients in South Australia was concerned that this mallow had overtaken some yards. Marshmallow (Althea officinalis) is a valuable European herb with high mucilage used for alleviating scours and ulceration of the gut. The origin of the name ‘Sow Thistle’ is ancient but obscure. There are many varieties of thistle in Australia and New Zealand, of which Scotch Thistle was a declared a weed as far back as 1850. The perennial sow thistle (Sonchus arvensis) is often confused with the annual sow thistle (Sonchus oleraceus). I use this herb to detoxify horses poisoned from eating Paterson’s Curse. Three of my horses enjoying a feed of Thistles I picked for them. Marsh thistle looks somewhat like spear thistle at an initial glance, but without the large spines and leaf lobes, and usually with a thin, red, leaf margin. As some people are allergic to latex, it’s recommended to be cautious if consuming sow thistle for the first time. This page was last updated on document.write(dateModified). If the unblock fails you will need to contact the server owner or … For more information about edible weeds in Australia, have a look at Part 2 of the article: More Free Food, Edible Weeds or Flower Power, Free Fancy Food. Being high in vitamins and minerals makes an excellent tonic. Warning: contains latex. Sonches Olearaceus Photo: (c) Harry Rose CC BY 2.0 license. Some authorities believe that populations of Clammy Sow-thistle (Sochus tenerrimus) found in Australia are actually one of these forms of Common Sow-thistle.Common Sow-thistle belongs to a group of mainly yellow-flowered daisies in the Tribe Lactuceae. Sow Thistle is known also as Milk Thistle here is Australia due to its white sap inside the stem. It is one of the most common weeds found throughout Australia, not so much where I live now in the wetter sub tropics, but in the colder drier south that I grew up in, I remember it being everywhere a s a child. Tamar Valley Weed Strategy (1997) Sow and Prickly Sow Thistles (Sonchus oleraceus and Sonchus asper ssp. Although grazing animals (and butterflies) actually prefer the Sonchus to grass farmers rant about the plant because it’s a weed amongst their crop. Annual Sow thistle, Sow thistle common weeds in Australia. The mature plant is 30-110cm in height and arises from a deep taproot. Less bitter than dandelion, sow thistle leaves are said to be a good source of vitamins A and C, thiamine, riboflavin, niacin, calcium, phosphorus, and iron. The University of Queensland, Gatton College. So this is a good weed enjoyed by horses. You are free to re-use the work under that licence, on the condition that you credit the State of Victoria (Agriculture Victoria) as author, indicate if changes were made and comply with the other licence terms. Victorian Resources Online | Agriculture Victoria | Department of Jobs, Precincts and Regions, Salinity Indicator Plants - A guide to spotting soil salting, Salinity Indicator Plant List - Alphabetical Listing - Common Name, Salinity in the Central and Northern Victorian Region. Common sowthistle is ranked as the 5th most difficult weed to control in winter crops. © State of Victoria (Agriculture Victoria) 1996 - document.write(thisYear). Then, cut it again as soon as you notice new growth. This should not be confused with the weeds known as Mallows and erroneously called Marshmallows which are from the species Malva parviflora which are a prolific weed in Australia especially on degraded pastures where the soil is compacted. According to Pat Collins well-known herbalist, teacher and author, some botanists believe that it has been in Australia for thousands of years. Thistles, Sow Thistle. All rights reserved. Because it requires a period of chilling (vernalisation), nodding thistle is confined to cool temperate areas in Australia. From Wikipedia, the free encyclopedia Sonchus oleraceus, with many common names including common sowthistle, sow thistle, smooth sow thistle, annual sow thistle, hare's colwort, hare's thistle, milky tassel, milk thistle, soft thistle, or swinies, is a plant in the dandelion tribe within the daisy family. The Red Flowering Mallow aka Creeping Mallow is also a member of the Malva family with the Latin name of Modiola caroliniana. 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