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Quayle Report - Jeff Quayle
October 2003


Allium stellatum Allium canadense var. canadense
Allium canadense var. fraseri Allium drummondii

Prairie Onion

In late September in North Central Texas, our only native fall blooming Prairie Onion (Allium stellatum), begins to flower. It is native from several counties in our area: Tarrant, Dallas, Wise, Cooke, and Montague. Possibly known from Collin, Denton, Ellis, and Grayson counties. It is most common on limestone prairies in the Grand Prairie and Blackland Prairie on the Austin Chalk. Blooming from September to October, flowers are deep pink. It is recorded in a number of northern prairie states, such as Arkansas, Iowa, Minnesota, North Dakota, South Dakota, Tennessee, Wyoming, Illinois, Kansas, Missouri, Oklahoma, Indiana, Michigan, North Carolina, and Wisconsin.

It is rarely found in our area, only occurring on a few limestone prairies. The most abundant populations occur at Tandy Hills Park in East Fort Worth. Other locations where they have been found include Cedar Ridge Preserve in Dallas (the Old Dallas Nature Center), LBJ National Grasslands in Decatur, and various locations in the Cooke/Montague county area. Prairie Onions are easy to identify, because they are the only native onion to flower in our area in the fall. Our other native onions include Wild Onion (Allium canadense var. canadense), (which is also called Wild Garlic), Fraser's Onion (Allium canadense var. fraseri), and Drummond's Onion (Allium drummondii). All bloom generally from March to May.


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