Why a Galaxy Print Makes the Back of the Quilt Part of the Story
Some quilt backs are just there to finish the job. A galaxy print is there to be looked at. The Blue Galaxy Cotton Wideback Fabric from Timeless Treasures is a 108-inch cotton wideback in deep blue and navy night-sky tones, sold by the yard. If your top features stars, moons, or rich blues, this backing lets the back carry the same mood as the front.
Because it is a true 108-inch wideback, most tops can be backed with a single seamless piece: no center seam to line up and no seam ridge for your quilting stitches to cross. For a print like this, seamless matters twice — a star field looks best unbroken.
How Much Backing Fabric Do You Really Need?
Start with the standard size math: your backing should measure your quilt top plus 8 inches in both width and length — 4 extra inches on each side for longarm loading, shifting, and quilting take-up. A 60 x 72 inch throw, for example, needs a backing of at least 68 x 80 inches. One width of this 108-inch fabric covers the 68-inch side easily, so you would order about 2 1/4 yards for the length. A 72 x 84 inch quilt needs an 80 x 92 inch backing — still within one width, at roughly 2 5/8 yards. Even a 90 x 96 inch queen top needs a 98 x 104 inch backing, which fits the width with room to spare at about 2 7/8 yards.
Once your top plus 8 inches grows wider than about 108 inches, you will need to piece the backing or turn the fabric and add a seam. Measure before you order, and confirm your longarmer's requirements.
Cotton vs. Minky vs. Flannel: Choosing Your Backing
A 108-inch cotton wideback like this one is crisp, stable, and breathable. It feeds smoothly, holds a press, and gives quilting stitches clean definition. Minky is the comfort choice: plush, warm, and soft for snuggling, but stretchy and slippery under the needle, and usually narrower, so larger quilts may need piecing. Flannel sits in between: warmer than quilting cotton with a brushed surface that grips the batting, but it can shrink noticeably and adds bulk. Choose this cotton wideback when you want stability, a full seamless width, and a printed back that reads like part of the quilt's design.
Color matters too. A dark navy backing hides everyday use better than a pale solid and frames cool-toned tops beautifully. With a mostly warm-colored top, check the contrast first — a deep blue back can be a striking surprise.
Working Tips: Pressing the Fold, Prewashing, and Longarm Loading
Widebacks arrive with a firm fold line down the middle from the bolt. Press it out before basting or loading with a warm iron and steam, working from the center outward, and let the fabric cool flat. A crease left in place can telegraph through the quilting, so take the extra few minutes here.
Prewashing is your call. This fabric is 100% cotton, so expect some shrinkage if you wash it; prewashing before you quilt avoids surprises, especially if the top fabrics were prewashed too. Either way, test dark, saturated colors for bleeding the first time you wash, and use a color catcher if you are unsure.
For longarm loading, cotton is the easiest backing to handle: it has little stretch, so load it with the selvages running side to side, keep tension even but not drum-tight, and smooth the fold area once more after loading. Square the cut ends first so the backing does not drift as the quilt advances.
Care
Wash the finished quilt cool and gentle, and tumble dry low or line dry. Wash deep navy tones with similar dark colors for the first few washes, and this backing will stay smooth and starry for years.
Shop the Blue Galaxy Cotton Wideback Fabric Per Yard at Linda's Electric Quilters.
