Home » Plants in Greenhouse March 6, 2018 Plants in Greenhouse greenhouse vinesThis passionflower, growing next to Chinese yams, eventually took over this entire support. Our greenhouse is 10' high, 14' wide x 16' long.Red Flowering CurrantThis red-flowering currant started blooming in late February. It really helped to protect the new cutting in the greenhouse over the winter.Nasturtiums taking overRuh-roh. I thought the nasturtium would attract beneficial insects (which it did). I didn't realize it would try to take over the entire greenhouse!