Even if they’re marketed as heirlooms, if they’re designated for produce, they might be planted next to other varieties and while the fruit is True, the seeds are going to be Hybrids.
Also, Green Bell Peppers are unripe Red/Orange/Yellow/etc Bell Peppers. The seeds aren’t viable anyway.
I reckon most peppers in the store don’t have viable seeds.
They do, but chances are they’re f1 hybrids, meaning they don’t grow true to seed. You’ll get a random mutant, but it’ll be an edible pepper .
Even if they’re marketed as heirlooms, if they’re designated for produce, they might be planted next to other varieties and while the fruit is True, the seeds are going to be Hybrids.
Also, Green Bell Peppers are unripe Red/Orange/Yellow/etc Bell Peppers. The seeds aren’t viable anyway.