Robert Frost’s poem Birches was the inspiration for both the yarn color and the stitch for this sock. The stitch is a cascade of tiny birch leaves, accented with either nupps or beads on the cuff. Sock is knit from the toe up. Pattern is written for three sizes.

Birches started out as Woolgirl's October 2009 Sock of the Month.

Yarn: Fingering weight sock yarn.
Model: Pigeonroof Studios, 1 hank Winter Birch, size medium.
Gauge: 8 sts to 1 inch (2.5 cm) in stockinette in the round.
Needles: US 1 (2.25 mm), or size required for gauge.
Crochet hooks: US 13 (.85 mm), or size to fit through bead.
Beads: size 8/0 seed beads, iris finish, dark bronze.
Finished size: Small [medium, large].
Notions: stitch markers are optional.

Skills: Knitting in the round, lace.
Stitch instructions: Charted and written.

This pattern is listed on Ravelry.