Hoffman Horticultural Vermiculite Soil Conditioner is a ready to use， light-weight soil conditioner added to the soil to improve aeration and seed germination success by encouraging rapid root growth in cuttings. It can also prevent plants from being overwatered and falling victim to root rot. Excellent for soil improvement， root cuttings， seed germination， container gardening， lawn seeding， cut flowers， bulb and root storage， transplanting plants and for mulch Horticultural vermiculite is an efficient soil conditioner by increasing nutrient retention Loosens soil， provides aeration， retains water Can be used to start seeds， propagate cuttings and store bulbs Prevents mold and mildew and promotes rapid growth Soil Made in USA Your security is our number one concern