Name: Elaine Sarasota, Fl The one constant in life is change
Did you try transplanting any seedlings to a fine seed starting mix, Thea?
I agree with Tiffany that the soil is the problem. Your seedlings are struggling to make new roots in that coarse soil. Too much wood chip fines in there for tiny seedlings to grow.
Elaine
"Success is stumbling from failure to failure with no loss of enthusiasm." –Winston Churchill