In Wisconsin and other northern climates, garlic should be planted in the fall, about four to six weeks before the ground freezes. If you plant bulbs in the spring, the harvest will be smaller and not fully mature, according to the University of Wisconsin Extension.
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Aileen Clarkson has been an award-winning editor and reporter for more than 20 years, earning three awards from the Society of Professional Journalists. She has worked for several newspapers, including "The Washington Post" and "The Charlotte Observer." Clarkson earned a Bachelor of Arts in journalism from the University of Florida.