All the plants made it!
Yes, all the plants appear to have made it. Northern Brewer was the first one out of the ground, followed by Centennial, then Hallertau and Cascade came up at about the same time. Finally, the Chinook plant came through the soil this past week. So far, the Centennial appears to be doing the best of the bunch. Below is a little visual update with pictures taken on 5/15/11: