J R Peters Inc Jacks Prof 77770 Petunia Feed Plus Magnesium 20-3-19 Fertilizer 25-Pound

- This 20-3-19 petunia feed was formulated in response the newly emerging iron inefficient plant material - A proprietary blend of iron chelates are used to increase the availability of iron over a broad range of pH - It contains double the iron found in typical peat like formulations - Iron is derived from three chelate sources EDDHA, EDTA and DTPA to keep it available over a broad range of growing medium pH values - Also contains additional magnesium for optimum crop performance. Low phosphorus level helps prevent excessive elongation