I get mine from Josh's Frogs, and yeah the shipping cost is high. But I make big orders and the crickets have been healthy and long lived. My last batch of 3/4 inch were chirping up a storm when they arrived so I put in a lay bin and hatched what appears to be thousands. I may just be raising my...
I haven't seen anything about tradescantia being a problem with adults, but I did see this video from Chameleon Academy about the all-purple variety with babies. I'll play it safe and just not use it period.
Oh, those are so tempting! But I'm currently raising my first cham and should probably just focus on getting all that right. Those are some beautiful babies though.