Lamb's ears (Stachys byzantina) need full sun to light shade to grow well, according to the University of Illinois Extension. This herbaceous perennial, which is grown for its gray, woolly foliage, also requires well-drained soil.
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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.