Slimy or mushy texture
Yellowing or browning florets
Strong sour, rotten, or unpleasant smell
Mold or fuzzy spots
Wilted, limp, or dried-out stalks and florets
Dark, soft, or decaying areas
Florets that are separating and falling apart
Bitter or off taste after cooking
Excessive moisture or pooling liquid in the storage container
Visible insect damage with spoilage