I started feedng Silver superworms at 14 1/2 inches. I would give him a corresponding silkworm or hornworm to help the digestion. Also most mornings he gets some Phoenix worms to start. Now he is over 16 inches and I don't always follow up with the moist worm. He chews and crunches them right up. Not sure if the worms can really bite them in his mouth or bellly. That was my worry initially.... but everything seems fine. I get silks from Mulberry Farms and horns from Linda's Gone Buggie. My local pet store has nice supers for sale.
Good LucK
Jeanne
Good LucK
Jeanne