Day 13:     

Dye colour: Indigo blue. Originating in Asia (with variants in S. America), the indigo dye plant grows best in warmer climes. It overtook woad as a preferred source of blue for European dyers because the leaves contain approximately 4 x the amount of pigment.     

Knitting Pattern: Large Diamonds.  Join today's yarn & follow the charted pattern for 18 rows.  

Row 219: RS. Sl 1, k2 tog, yo. Slip stitch marker, knit to 3 before end, slip stitch marker, knit 3. Turn work (59 sts)     

Row 220: WS. Sl 1, k2 tog, yo. Slip stitch marker, p6, * yo, ssk, p6 *. repeat from * to * 4 more times. Then yo, ssk, p5, slip stitch marker, knit 3. Turn work (59 sts)     

Row 221: RS. Sl 1, k2 tog, yo. Slip stitch marker, k4, k2tog, yo, k1. * yo, ssk, k3, k2tog, yo, k1 *. Repeat from * to * 4 more times. Then yo, ssk, k4, slip stitch marker, knit 3. Turn work (59 sts)  

Row 222: WS. Sl 1, k2 tog, yo. Slip stitch marker, p3, k2tog, yo, p1, *p2,  yo, ssk, p1, k2tog, yo, p1 *. Repeat from * to * 4 more times. Then p2, yo, ssk, p3, slip stitch marker, knit 3. Turn work (59 sts)     

Row 223: RS. Sl 1, k2 tog, yo. Slip stitch marker, k2, k2tog, yo, k3. * k2, yo, k3tog tbl, yo, k3 *. Repeat from * to * 4 more times. Then k2, yo, ssk, k2, slip stitch marker, knit 3. Turn work (59 sts)     

Row 224: WS. Sl 1, k2 tog, yo. Slip stitch marker, p2, yo, ssk, p2. *p4,  yo, ssk, p2 *. Repeat from * to * 4 more times. Then p4, yo, ssk, p1, slip stitch marker, knit 3. Turn work (59 sts).     

Row 225: RS. Sl 1, k2 tog, yo. Slip stitch marker, k3, yo, ssk, k2. * k1, k2tog, yo, k1, yo, ssk, k2 *. Repeat from * to * 4 more times. Then k1, k2tog, yo, k3, slip stitch marker, knit 3. Turn work (59 sts)     

Row 226: WS. Sl 1, k2 tog, yo. Slip stitch marker, p4, yo, ssk. *p1, k2tog, yo, p3,  yo, ssk *. Repeat from * to * 4 more times. Then p1, k2tog, yo, p4, slip stitch marker, knit 3. Turn work (59 sts).     

Row 227: RS. Sl 1, k2 tog, yo. Slip stitch marker, k5, yo, k3tog tbl. * yo, k5, yo, k3tog tbl*. Repeat from * to * 4 more times. Then yo, k5, slip stitch marker, knit 3. Turn work (59 sts)     

Rows 228 through 235: Repeat rows 220 through 227 once.     

Row 236: Repeat row 220. 

Charted pattern:

Day 13 chart

Errata: for the printed pattern sent out with physical advents, row 236 was shown as plain purl but should be a repeat of row 220.