Poly is the only thing I use (except when I want to use variegated thread and can only find it in cotton). I have never had an issue. I don't like all the lint from cotton, and the Mennonite lady's at my Bernina dealer recommended Mettler or Gutermann polyester for piecing and quilting.

I like the cotton, cotton poly thread it seems to hold up better. I don't care for the poly thread as it seems to undo its self after knotting.

You got to listen to those Mennonite ladies. I make it a policy never to cross my MIL (at least intentionally). :-)

I don't think it makes a lot of difference what thread you use. I have friends who are thread snobs, but I use whatever I have on hand.

Yup! I am not a thread snob!

:thumbup:

Most of us think about quilts lasting only about 20 years or so, but it's wonderful to have quilts that have lasted 60+ years. There are a lot of ingredients that go into having a quilt that really holds up well, not just thread.

Too true. I have a couple of my husband's great-grandmother's quilts (think Mennonite great-grandma here, they are NICE quilts). Unfortunately a few of the blocks one one of them are starting to fall apart. When I started really looking, it was the same fabric she used in different spots all over the quilt. This leads to a couple assumptions: either she used an old worn out fabric (but none of the other would be even close to that category) or the dye used on the fabric might be the actual culprit. We forget that dyes, soaps, light, temperatures, no matter what the source, can 140 years from now, actually cause fibers to decay. So sad. By the way, the sewing thread is hold up well and so is all that hand piecing and quilting.

I think it is still not a good idea to use poly thiread on a cotton quilt. It damages the cotton and why take the risk when you put so much time and love into your quilt?

According to the expert on the video you can find on the Superior Threads website, poly doesn't cut the fabric.