Potassium Fertilizer
Designed for professional use, Harrell’s potassium solutions deliver consistent nutrient availability to support strong, durable, and high-performing landscapes year-round.
Harrell's Stress Relefe, 0-0-25
High solubility liquid potassium fertilizer which can be applied directly to the soil, to the plant tissues (with water) or through an irrigation system. This product provides potassium for foliar and root uptake and utilization during critical growth stages. This product can be applied throughout the growing season to correct potassium deficiencies.
Harrell's MAX Potassium + Calcium 4-0-8
Harrell's MAX® Potassium Plus Calcium is a specially formulated blend of nutrients designed for application on a wide variety of turf grasses, trees and ornamental plants. Repeat applications may improve plant tolerance to drought and environmental stress.
Contains: 25% Potassium acetate
Contains: 4% Nitrate N, 8% Potash nitrate, 2.15% Ca nitrate