Well they grow very fast usually depending on the bean but to sprout it's about 3-4 days
How Long Does It Take For A Bean Seed To Grow?
It takes 4-56days for a bean to grow its first leave it grows fast depending on the type a yellow bean would grow fast
Will sprout 4-6 days, depending on the soil, area, etc. And it takes about 4 weeks to grow
I think it takes about to 8-12 days