I just had my first harvest of cascade, so I thought I would post about my experience. I planted the rhizomes during the first week of May (very late), and the cascades took about three weeks to come up. The Fuggle didn't come up at all, but those rhizomes were pretty moldy and soft by the time I got them in the ground.
On June 17th, they looked like this:
Today, they look like this:
I went ahead and harvested. It looks like I got about 1/2 oz or so after drying.
I'm brewing a peanut butter porter next week, and I'll use these! I'll let you know how it goes.