Talk to an Expert 1-877-658-9537 About Press PRODUCTS APPLICATIONS SERVICES CONTACT Home/Commercial Growing Applications/Greenhouse Stock Greenhouse Stock For every stage of your greenhouse crop development, Masterblend has a fertilizer formula to encourage desired growth rates, proper plant nutrition, resistance to disease, and bloom response. BROWSE FORMULATIONS Formulas for Every Stage of Growth. Free of excess salts and other chemical impurities which can damage roots and foliage, the balanced nutrition and pure composition ensure optimum growth rates and predictable blooming response for your greenhouse crops. Our water-soluble fertilizer contains chelated micronutrients for the most effective delivery of nutrients to your plants. Our fertilizers are blended in highly environmentally controlled blending rooms to minimize cross-contamination and exposure to the elements. FERTILIZERS FOR GREENHOUSE GROWING Mastercote 13-13-13 4CTR Mastercote 17-17-17 4CTR Mastercote 18-6-12 +Minors 8CTR 4-18-38 Tomato Formula 5-11-26 Hydroponic Formula 8-15-36 Lettuce Formula 9-12-34 Strawberry Formula 9-45-15 Plant Starter 10-30-20 Blossom Booster 10-52-10 Plant Starter 12-0-43 Cut Mum Finisher 13-2-13 Cal Mag Formula 14-0-14 Plug Formula 15-0-15 Dark Weather Formula 15-3-20 Pansy Formula 15-5-25 Poinsettia Formula 15-10-30 Pot Mum Formula 15-15-15 Geranium Special 15-16-17 Soil-Less Mix 17-4-17 Pot Plant Formula 17-5-17 Cal-Mag Formula 17-5-17 Pot Plant Formula 20-3-19 Petunia Formula 20-5-30 High Potash Formula 20-7-20 Acid Formula 20-7-20 High Mag Formula 20-10-20 Soil-Less Mix 20-20-20 General Purpose 21-6-20 All Purpose Formula 21-7-7 High Acid Formula 30-10-10 Orchid Special PARTNER WITH US TODAY Need a unique formulation? Our team will work with you to ensure you receive the most effective and highest quality blend to meet your specifications. CONTACT US TODAY GET IN TOUCH Toll free: 877-658-9537 Phone: 815-416-1460 Fax: 815-416-1464 Headquarters Masterblend International-Tyler Enterprises 4673 Weitz Rd. Morris, IL 60450 Email Us STAY CONNECTED Sign up for our eNewsletter to receive product information, company updates, industry news and special announcements via email. CLICK TO SIGN UP! FOLLOW MASTERBLEND FOLLOW TYLER Copyright © 2021 Masterblend International. All rights reserved. Site Design by Krizman Design Studio The information contained within this website is intended to provide information about available products and services. All reasonable efforts have been made to ensure the accuracy of the information, however, Masterblend does not warrant the accuracy and reserves the right to change website content and site functions at any time without notice. Toggle Sliding Bar Area