It is a very exciting time to be a Waldorf homeschooler! There are many resources available for planning this summer.
First of all, Jamie York has middle school math workshops on-line this summer, along with in-person workshops in Boulder, Colorardo for Grades 1-3, Grades 4 and 5, and Grade 9, and Grade 10.
There is a conference in Orlando, FL on May 13, 2017 with Kristie Burns of Earthschooling, Jean Miller of Waldorf -Inspired Learning, Donna Ashton of The Waldorf Connection, Jodie Mesler of Home Music Making and myself. Details are here.
Taproot Teacher Training is coming up in August with Barbara Dewey, Jean Miller, and many other experienced presenters. You can find details here
Live Education! has a summer conference coming up in July in Santa Cruz, CA. Details are available on the Live Education! page
I believe there are other conferences and workshops coming up as well- please do chime in!