This is Sagarmatha Seeds Blueberry Bud Feminized - also available as a regular cannabis seed.

Attachment 287173

This is Sagarmatha's Blueberry strain. Originally a DJ Short seed, Sagarmatha refined their favorite phenotype to bring out it's best qualities.
It's a fast-finishing, Indica-dominant strain with intense blueberry flavours & aromas.
Yields aren't huge, but Blueberry Bud makes up for that with an exceptional level of quality.

This feminized seed needs a 6 to 9 week finish, offers 300 to 325 gr/m2 yields dried, and stays under a meter.

Blueberry Bud requires cool night air to display the colour you see in this image.