- Fertilizing a lawn used to mean hard work, lifting heavy bags and pushing a heavy spreader. But now, Johnson Wax has developed a new way to get beautiful grass as easily as watering your lawn. Johnson Yard Master Spray Foam Fertilizer. It's so simple. Just attach one of the disposable plastic bottles to your hose, and spray. (water gushing) No heavy bags to tote. No expensive spreaders to push. The fertilizer comes out as a light foam, quickly soaking in to nourish the lawn. The foam also helps you avoid striping or burning because you can see what you've covered. And because it's a liquid, it soaks right in as no dry fertilizer can. Look. Thick, rich top growth. Strong, healthy roots. You get a beautifully green lawn fast. Johnson Yard Master Spray Foam Fertilizer, new from Johnson Wax. It makes fertilizing as easy as watering your lawn.