Proven Winners® Professional Water Soluble Fertilizers

Primary Fertilizer
Specialty Products

Use the professional fertilizer best matched to your water conditions and needs — Proven Winners® Professional Greenhouse Fertilizers come in six different formulations.

Benefits

• Improve pH management.
• Minimize iron deficiency problems stemming from high pH levels.
• Four standard blends to match your water alkalinity.
• Made with 100% iron EDDHA, the best chelated form of iron for plant uptake.
• Competitively priced.
• Packaged as 25 lb bags. Each bag makes approximately 2,500 gallons of water at the 200ppm nitrogen rate.

How to Order

• A recent water test is required to order so we can determine the best formula for use. Each water test costs $35.00.
• With your first order 12 or more bags of fertilizers Four Star will issue credit for one water test per year.
• Once a water test is on file, you can order from Four Star by calling (734) 654-6420 or adding it onto your plant order with your preferred broker.

For more information about Proven Winners® Professional Water Soluble Fertilizers, click here.