Planted "giant" pumpkin seeds late August (southern california). First time venture! They started to show vines , flowers and leaves early on, but noticed, when the fruit started, it was tiny white balls, then turning yellow as they grew. Some did not make it but those that did, remained bright yellow! Was it the type of seed or did I expect too much too soon? They felt a bit "mushy and the stems were very moist when cut. 3 of the ones that got to be carving size were about the size of volleyballs. Should I plant earlier next year or cut earlier and let dry a bit?