This design is shown in Interweave Knits, Spring 2010, but the pattern is only available online and is sometimes slow to load.
An afghan worked from the center out, beginning with a square panel. Borders are worked out from the center, allowing for three sizes in the pattern—baby blanket, afghan, and large counterpane bedspread. Cables, grafting, and charts.
Lisa Jacobs draws on the myth of the World Tree to pattern the Yggdrasil Afghan. A central grove of four trees grows into braided and leaf lace patterned borders -- as in the old Norse stories, all things are interconnected.
A soft lofty organic cotton drapes without being too dense.