Blueberry Bush

[fuggy]

When is the best time to move it?

[Buenchico]

http://www.gardeningknowhow.com/edible/fruits/blueberries/transplanting-blueberry-bushes.htm

[Chipchopper]

I would wait until the autumn, when the plant is becoming dormant and less active.
Avoid frosty periods and keep it well watered until settled in.
If you can rake up some leaf mould from beneath conifer trees, it will make a great mulch.