Pick a growspot, and leave it there. Mixing the sunlight and CFL light can stress a plant, and you risk bringing-in roaches, spiders, mites, ants...and introducing assorted plant bacteria, molds and viruses into your home. Proper CFL's work fine on their own.

Scuffing the seed with fine sandpaper along the seeds suture (seam) helps with stubborn seeds. Just a light scuffing, not a heavy sanding. Helps the water find an entry point, swelling the embryo and starting the germination process.