This pattern can be found for free online at http://jessieathome.com/granny-stripe-tree-skirt/

Tree skirts just add that little extra something to your tree decorations. This skirt takes the traditional granny square stitch and makes it a trio of holiday colors. Give yourself the perfect base for your Christmas presents to nestle on this year.

Size:
56” across

Yarn:
Red Heart With Love, worsted weight, 100% Acrylic, 198 g/370 yds
Holly Berry 1909, Color A: 2 skeins
Evergreen 1621, Color B: 2 skeins
Eggshell 1101, Color C: 2 skeins

Hook:
US-J/10, 6.0mm

Gauge:
12 sts by 7 rows = 4” in dc

Other supplies:
Yarn Needle

Stitches and Abbreviations:
ch - chain
dc - double crochet
sp(s) - space(s)
st(s) - stitch(es)