Spencer ran a mental inventory of the greenhouses, wishing half-heartedly that Greenhouse 5 wasn't so far away. He'd really love to get some of the more dangerous plants out in the open and in the path of the house elves. He figured that functioning without body parts or not, zombies still needed feet.
It wasn't worth the risk, though. "I think we can get most of what we need in Greenhouse 2," he said, pointing it out. It was, thankfully, one of the closer ones. "There's some other stuff that could be useful in the others, but that's the bare essentials. Enough for now."