Using shredded Styrofoam instead of Oasis makes staging blooms much quicker, which allows more people to use the staging space. Wet shredded foam is cleaner to work with and can be reused year after year.
Notes from the presentation “Viruses in my Garden” given by Ron Minor. Also attached pdf document from the ADS. As you are digging your dahlias this fall, please inspect them and destroy those which appear to be infected.