is scotts turf builder rapid grass. rapid grass is a revolutionary mix of seed and fertilizer that will change the way you grow grass. it grows two times faster than seed alone for full, green grass in just weeks. after growing grass this fast, everything else just seems... slow. it's lawn season. let's get to the yard. download the scotts my lawn app today for your personalized lawn plan. inner voice (furniture maker): i'm rubbing the arms of my chair... ...admiring the craft and detail i've put into it.