C. maxima. Beautiful Japanese pumpkins develop on this early maturing and prolific variety. Its yellow flesh is very sweet, so it's ideal for pies and tempura. First Taste Kabocha squash seeds fruits average 1kg in size, with flattish bottoms and tops. Plan on multiple harvests from late summer to frost! First Taste kabocha squash grows well on trellises or along a fence. But it can also sprawl on the ground. Be sure to check frequently for early developing fruits. Kabocha have a good shelf life, and will store for several months if kept clean and cool.