These roses are from a pattern featured on The Dark Knit The Dark Knit.
This is the pattern:
Leaving a 10" length for sewing, chain 57.
Row 1 (Wrong side): (Dc, ch 2, dc) in sixth ch from hook (5 skipped chs count as first dc plus ch 2),*ch 2, skip next 2 chs, (dc, ch 2, dc) in next ch; repeat from * across: 36 sps
Row 2: Ch 3, turn; 5 dc in next ch-2 sp, sc in next ch-2 sp, (6 dc in next ch-2 sp, sc in next ch-2 sp) 5times, (9 dc in next ch-2 sp, sc in next ch-2 sp) 5 times, (12 dc in next ch-2 sp, sc in next sp) 7 times;finish off leaving a 10" length for sewing.
Thread yarn needle with yarn end from beginning chain. With right side facing and beginning with firstpetal made, refer to photo to roll Rose; sew to secure as you roll. Then thread needle with ending yarn and sew to secure.
This website is great if you need the abbreviations explaining: Crochet Basics