Reptile & Amphibian Forums

I just got a hatchling leopard tortoise, and I am trying to ensure a variety of food sources for him/her. I just planted a big tub of rye and wheat grass, so hopefully he can go grazing even before the snow melts...

I also bought a pack of mixed cactus seeds. Are there any cactus species that AREN'T edible? Removing the spines on some of them might be a pain, but I figured it would be worth a try.

The mix includes:
Saguaro
Cane Cholia
Versicolor Cholia
Compass Barrel
Strawberry hedgehog
Florence hedgehog
Organ pipe
Old man cactus
6 types of prickly pear
Cardon

Are any of these toxic or less nutritious? Thanks!
-----
1.1 Brazilian Rainbow Boas Nico, Tally
1.1 Womas, Darwin and Emma
0.1 Pastel BCI, Hyacinth
1.0 Anery Kenyan Sand Boa (unnamed thus far)
1.0 Carpet X Diamond Python, Steve
1.0 Ball python, Stan (Rescue)
1.0 Blood python, Porthos
0.1 Granite Spotted python (unnamed thus far)
1.0 Hognose, Fang
1.1 Western Fox snakes, Thing 1 and Thing 2
1.0 Northern Blue Tongue, Jabbi
0.0.1 Red Tegu, Sushi
1.1 Mali Uromastyx, Ajani (rescue), Goober
0.0.1 Egyptian Uromastyx, Ahktep
1.0 Leopard gecko, Frank (rescue)
0.0.1 Leopard tortoise (unnamed thus far)
1.0 Red eared slider, Spunky (rescue)
1.0 African mud turtle, Francois the Tortois (rescue)
1.0 African bullfrog, Grendel
1.0 Husband (WC) who approves of my addiction

*edit - Cholla, not Cholia
-----
1.1 Brazilian Rainbow Boas Nico, Tally
1.1 Womas, Darwin and Emma
0.1 Pastel BCI, Hyacinth
1.0 Anery Kenyan Sand Boa (unnamed thus far)
1.0 Carpet X Diamond Python, Steve
1.0 Ball python, Stan (Rescue)
1.0 Blood python, Porthos
0.1 Granite Spotted python (unnamed thus far)
1.0 Hognose, Fang
1.1 Western Fox snakes, Thing 1 and Thing 2
1.0 Northern Blue Tongue, Jabbi
0.0.1 Red Tegu, Sushi
1.1 Mali Uromastyx, Ajani (rescue), Goober
0.0.1 Egyptian Uromastyx, Ahktep
1.0 Leopard gecko, Frank (rescue)
0.0.1 Leopard tortoise (unnamed thus far)
1.0 Red eared slider, Spunky (rescue)
1.0 African mud turtle, Francois the Tortois (rescue)
1.0 African bullfrog, Grendel
1.0 Husband (WC) who approves of my addiction

Hi,

The most commonly used "food" cactus for tortoises is the Opuntia (prickly pear) group. I am not sure about the others in your mix. Depending upon where you live, you might be able to simply buy the pads by the pound in local a grocery store or produce market. Spineless pads are readily available here in the southeast where I live. It could take quite a long time to grow the cacti to an edible size from seeds.