Why avoid Miracle-Gro for orchids?

Although Miracle-Gro is widely used, it causes more issues than it solves. I know this from experience, having lost multiple Phalaenopsis orchids to root burn. The formula contains urea-based nitrogen, which orchids cannot utilize and causes toxic salt buildup on delicate velamen roots.

Formulations specifically designed for orchids are the answer to these issues. Brands such as MSU and Better-Gro include nitrate nitrogen that the roots can use right away. Their NPK is balanced with calcium and magnesium. After switching to these formulations three years ago, I noticed an immediate increase in root density and a corresponding increase in the frequency of blooms.

Safe options include natural alternatives. One can use crushed eggshells to provide calcium without altering the pH level. One can also use banana peel tea to obtain potassium. They slowly release nutrients, allowing orchids to uptake these nutrients over time. Be sure to rinse and dry everything thoroughly when preparing to prevent mold growth.

Utilize proper fertilization techniques. Implement the weekly weakly method at a quarter strength. The fertilization application is done during the early morning when the stomata are open. Thereafter, pots should be flushed with pure water once a month. All of these practices minimize salt accumulation while ensuring that nutrient-rich water can reach the roots effectively.

You will notice clear signs of recovery in your orchids. New roots will emerge white and fuzzy rather than brown. Leaves will regain a uniform green color and no longer have yellow on the edges. Flower spikes will become stronger. I have restored damaged plants completely in less than six months using these alternatives.

Read the full article: How to Fertilize Orchids: Ultimate Guide