Originally Posted by ladygen

All my applique so far has been needleturn, and it holds up just fine. As long as it's stitched down well (nice stitches, not big gaping ones, etc) there's nothing to pick at. It looks like it was pieced in with the rest, no worries! And when it's quilted, it'll have even more support.

In my experience it's more likely the fabric will wear out than the thread!