Is Sponge Gourd Safe for Cats?
Quick answer
RHS lists Luffa as harmful if eaten except young fruit and gives the same caution for cats. Do not allow pets to graze vines or mature gourds, and discard bitter fruit rather than feeding it.

Is Sponge Gourd safe for cats?
Use caution(moderate)
RHS lists Luffa as harmful if eaten except young fruit and gives the same caution for cats. Do not allow pets to graze vines or mature gourds, and discard bitter fruit rather than feeding it.
Sources
- RHS Plants - Harmful if eaten except young fruit and pet caution
Disclaimer: This page is for general information only and is not veterinary advice. If your cats ate Sponge Gourd, contact your veterinarian or animal poison control immediately.