This super easy patterned stitch that was discussed in episode 20 of YaT has a hidden bonus: the reverse side is visually pleasant as well. With only 2 rows done repeatedly to create it, and with one of those rows simply a line of purls, you may find many uses in your future for this knititation-worthy work.
Multiples of 2
Row 1: * Make 1, K1, K1, sl made st over 2 knitted stitches *
Row 2: Purl
Repeat these 2 rows to ‘grow’ your bamboo to whatever length you wish.
See. It’s very simple. Enjoy!