Family: Asteraceae

Scientific Name: Sonchus oleraceus

Common Name: Common Sow thistle, Annual Sow thistle

DescriptionA common yellow flowering weed.
Plant TypeAll Plants, Weeds
Sunlightfull
Moistureaverage
Soil & Sitevery adaptable, found growing just about everywhere
Flowerssmall, pale yellow, Dandelion type, flowering throughout the summer.
FruitSeeds are achenes, form a parachute of fine hair (pappus) for wind dissemination
Leavesgreen, weak prickly spines, alternate, basal leaves deeply cut into 1-3 lobes; get progressively smaller and less spined up the stem, bleeds a white milky sap when cut
Stemsbleeds a white sap when broken
Rootswhite tap root and horizontal roots. When pulled from the ground has a distinct odor.
DimensionsReaches 1-3 feet and spreads and spreads by horizontal roots
MaintenanceA weed that can be difficult to rid from a garden. Any piece of the root left in the soil will reproduce more plants.
PropagationAn annual plant reproducing from seeds.
Native SiteWestern Asia, Northern Africa and Europe, found throughout most of USA
Misc FactsHas been used as food for rabbits giving it many common names such as Hare's Thistle, Hare's Lettuce. Also eaten by pigs, goats and sheep. Horses will not touch it?? Asper means rough, referring to the spiny leaves.
Notes & Reference#07- Newcomb's Wildflower Guide (Newcomb) ,#14-Hedge maids and Fairy Candles (Jack Sanders) , #19-Common Weeds ( USDA Agricultural Research Service), #157-The Sunflower Family in the Upper Midwest (Thomas Antonio, Susanne Masi)
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