I practice SFG so my beds are filled with equal parts well cured compost, peat and horticultural vermiculite. MG is supposed to be a "complete" growing medium. Considering the cost it better be complete. It would not hurt to add cured compost.
Your next issue s to plant vegetable varieties suitable for your region at the right time.
Elizabeth - or Your Majesty
Living and growing in Lafayette, La.
When weeding, the best way to make sure you are removing a weed and not a valuable plant is to pull on it. If it comes out of the ground easily, it is a valuable plant. ~Author Unknown