I wanted sponge luffa in my garden this year, so I started the plants indoors about a month ago. They are doing great and I have too many. 
They grow like most squash, they like sun and well draining soil. I suggest early April as a planting time. They are in soil blocks. 
Happy gardening! 
Fair Offer Policy applies
   Sponge Luffa Plants (Penn Hills)
                                This offer has been gifted to someone and is no longer available.