Materials:
Downloadable chart (see below)
Worsted-weight yarn in 3 1/2-oz. skeins: 8(15) skeins of green and one skein of white (shown: Brown Sheep Co. Inc. Nature Spun yarn, a 100% wool yarn sold in 3-1/2-oz. skeins with 245 yards/100 grams)
Size 6 (4mm) knitting needles or size needed to obtain correct gauge
Cable needle and stitch markers
Tapestry needle
Scissors