It's a bit lumpy. I guess it could be argued that real pumpkins are lumpy, too, but I doubt anyone would want to buy my little lumpy crocheted pumpkin. So! On to attempt #2.
The second attempt came out a bit better although the stem looked a bit pitiful:
On to attempt #3!
The final attempt was indeed the charm. It came out perfect:
I was so happy with it, I made two more: