Microgreen Growing Blog | Guides & Tips | On The Grow

Seeing white fuzz on your microgreens? About 85% of the time, it's not mold—it's healthy root hairs. This comprehensive guide teaches you how to identify the difference using the simple water test, proven prevention strategies for every growing medium (silicone, soil, coco coir), why sunflower seeds are prone to mold, DIY antifungal spray recipes, and what to do if actual mold appears. 

Want to build a professional-grade microgreens grow rack that can produce hundreds of pounds of fresh greens every month? This rack is exactly what we've used for years in our own operation

Proper cleaning and sanitization of your microgreen trays and reusable grow mediums is just as important as knowing how to grow. Learn the most effective, food-safe methods to prevent disease, eliminate pathogens, and ensure every grow starts clean.

Whether you're brand new to microgreens or looking to scale a business, On The Grow has been the go-to resource for growers worldwide since 2019.

After 7 years of testing different lights, we've learned exactly what works for growing microgreens indoors. This complete guide covers everything from science to setup.

Build your own aeroponic system for growing greens indoors. This complete guide covers everything from construction to harvest, based on our viral video series.

Fungus gnats are common in indoor microgreen setups—learn how to prevent and control them with moisture management, airflow, and smart growing practices.

Discover why microgreens are harvested above the root line while sprouts are eaten whole—exploring the science, food safety practices, and culinary differences.

Discover which microgreen seed varieties work best on reusable grow mediums—from broccoli and radish to peas and basil—for successful hydroponic growing.

Learn how to grow Red Pak Choi microgreens at home using a simple mini Kratky Tray setup in just 9 days with minimal effort.

Learn to grow Celosia microgreens on soil with our step-by-step guide, tips, and harvest info for this colorful specialty crop.