Color

• Spaghetti squash is ripest when it is yellow in color, a creamy white or green color indicate that the squash is under-ripe and not ready to be eaten. Choose the brightest yellow squash to ensure the best flavor.
  
  

Firmness

• Spaghetti squash is very firm to the touch when ripe, similar to most types of squash. Choose a squash that does not give when squeezed or prodded and is not soft or bruised in any areas.
  
  

Availability

• Although spaghetti squash is available all year-round at grocery stores and supermarkets, its peak season is during the early fall and winter. Look for ripe spaghetti squash from September to December to get the best flavor from the squash.