Ragulmadon

Can pumpkin vines grow across blocks other than untilled soil blocks? I was looking around and didn't find answers on blocks compatible with the pumpkin vines. My plan was to embed greenhouses in the ground within the large spaces I have between pumpkin mother plants to save room in the village. Will the vines spread across glass blocks? Does it matter if they're glass slabs? I'll test it myself soon but I figured I'd ask here before spending the time.