Step 4 Foliar Protect "New Double Strength Formula"Step 4 Foliar Protect New Double Strength Formula This is Step 4 of our 4 step gardening system. Protect is a unique combination of plant nutrients and beneficial microbes providing immune support to protect your precious plants. This unique group of beneficial microbes also provide Frost protection for most crops. A little know fact is that ice particles form around a nucleus and that nucleus is most often bacteria. We use a beneficial group of