I recently decided to plant a few planters full of seeds to hopefully grow some fresh food for my tortoise (Russian) in the coming spring. I was looking at the store to find some seeds that said "green leaf lettuce" or even "red leaf lettuce", which is what i usually buy at the store for him, but i didn't see any seed packets with that title....i ended up buying "Black Seeded Simpson Lettuce" but i couldn't find it listed on the tortoise table or anything....my question is, where do i find green leaf lettuce seeds in Missouri and also can my tortoise eat Black Seeded Simpson lettuce?