When picking out the perfect kabocha squash, the two most important factors to consider are color and weight. Choose kabocha that has a firm, deep-colored green rind. Some faint stripes, bumps, or blemishes on the skin are fine. And choose ones that feel heavy for their size (usually about 2-4 lbs).Click to see full answer. Similarly, you may ask, how do you know when a kabocha squash is ready to pick?Harvest buttercup or kabocha squash after they achieve their characteristic blocky shape. The skin color should fade from a bright green to a duller, greenish-brown shade, and the stems will become corky. The stripes will fade from light green to grey-green, and become narrower.Furthermore, can you eat kabocha squash raw? Raw Food Favorite – Kabocha Squash As you might guess from its bright orange flesh, Kabocha squash is high in beta carotene. It’s low-cal, too. how do you know if kabocha squash is bad? If the seeds look slimy, or are an off color, the squash has spoiled. If you cook it and slice it open and see the same thing, toss it. The seeds should be mostly white or cream-colored and should be covered in the squash flesh while the rest of the squash should be a bright color inside.Will squash ripen after being picked?Yes, most squash will ripen off the vine, so long as it’s relatively mature (i.e. the squash has begun to change color). This is especially true of pumpkin, butternut squash and spaghetti squash.