Grapes sit squarely on the list of plants you ... Trimmings can be dropped onto the compost pile, mulched, or even rooted to propagate new plants. There are some summertime pruning practices ...

Her compost pile is a wonder to behold ... We bring the pomace [stems, seeds and grape skins] from the winery back to the vineyard to compost. That's a big nitrogen and microbial component.” ...