This is saying the same thing in two ways. The fact that whatever God says he will do is certainly going to happen is compared to the fact that seeds sprout after planting. Alternate translation: "Just as seeds sown in a garden sprout from the soil and grow" (See: [[rc://en/ta/man/jit/figs-parallelism]] and [[rc://en/ta/man/jit/figs-simile]])