In answer to both of your queries, some gardeners have had some of their onion leaves fall over early on; as long as the leaves look healthy, they should be OK. However, if you notice brown tips, wilting, yellowing, fuzzy growth, etc., it might indicate a disease, pest, or environmental issue. For more information, you might check this page:
http://www.extension.umn.edu/garden/diagnose/plant/vegetable/onion/leaveswilt.html
In answer to both of your queries, some gardeners have had some of their onion leaves fall over early on; as long as the leaves look healthy, they should be OK. However, if you notice brown tips, wilting, yellowing, fuzzy growth, etc., it might indicate a disease, pest, or environmental issue. For more information, you might check this page:
http://www.extension.umn.edu/garden/diagnose/plant/vegetable/onion/leaveswilt.html