 | Liquid Iron Plant Growth Supplement. Liquid Iron Plant Growth Supplement is most effective when plants are growing rapidly and least effective when dormant or suffering from stress. It is also compatible with most pesticides and fertilizers, with the exception of amine formulations and high phosphate fertilizers. To use, apply 3-5 times a year to promote vigorous growth and dark green color. It also corrects iron deficiency. The supplement is ideal for use on turf, flowers, shrubs, lawns, plants and trees. Product contains magnesium... - Liquid Iron Plant Growth Supplement. |