Winter squash here have been a disappointment for the three years we've been growing them. It doesn't seem to matter which species of winter squash we grow. I think there's a reason that almost all the posters on this thread are up north. You have the soil and climate to do a good job with them.
The butternuts, kabocha and small sugar pumpkin all grew and did fairly well but none of them tasted worth a darn. They all went onto the compost pile. The only squash that was and has always been a success was the spaghetti squash.
Pickles and I talked about it and decided that no more winter squash will be grown except the spaghetti squash. In addition to not tasting worth a darn, they take up too much room compared with how much they produce. Watermelons will do nicely there.
