Hemlock Tea

Here is their website: http://www.projectlinus.org/index.html

You can see if they have a chapter near you:http://www.projectlinus.org/chapter.php

They have patterns and specifications for blankets you can donate: http://www.projectlinus.org/links.html

And their FAQs page for other info: http://www.projectlinus.org/faqs.html