do all mattresses require a box spring?

i want a bed that is not for use with a box spring. My mattress is Sealy spring free posturepedic crocker grove ultra plush. It also has a latex core. I want to know if i should look for a different bed.
The bed I’m looking at is a platform bed and i do have a box spring. I’m wondering if I can use my mattress without a box spring?