It can easily be too tight. I agree that casting on to a needle a couple of sizes larger and then working your first row off of that with your regular needles is a good idea.
"Trust the pattern!"
Time flies like an arrow, but fruit flies like a banana.
Hop aboard while we follow the cloud-covered van of knitting harmony, man!! Woooo!! --Hedgehog
IngridKH on Ravelry