Which Fertilizer Is Ideal For Limelight Hydrangeas?

Before purchasing fertilizer for hydrangeas, it is crucial to perform a soil test to determine the pH level and check for nutrient deficiencies. Hydrangea blooms will vary in color based on the acidity of the soil, and if the pH level is too high or too low, it can affect the plant’s ability to absorb essential nutrients. Apply granular flower food fertilizer in the spring and again in late summer, following the product label. Fertilizer and soil amendments are powerful and can change the color of bigleaf or mountain hydrangea types. Hydrangeas only need fertilizer a few times a year, so use this guide to help you choose the right fertilizer.

Caring for hydrangeas involves regular watering, fertilizing, and pruning. Water deeply about once a week, more often during dry spells, to maintain moist soil. The best fertilizer for hydrangeas is a slow-release product that provides essential nutrients such as nitrogen, phosphorus, and potassium gradually over several months. Limelight hydrangeas are exceptionally hardy, down to USDA Zone 3, making them a good choice for colder climates. They grow tall with beautiful blooms and are heat and sun tolerant.

To fertilize Limelight Hydrangeas, feed them twice yearly in April and June with 10-10-10 general-purpose fertilizer. You can apply a slow-release granular fertilizer in the spring and also feed them in late summer or early fall with a controlled release fertilizer. Fast-release fertilizer, like 10-10-10, works just as well if applied twice during the summer. Organic, slow-release, all-purpose, balanced fertilizer also works well for hydrangeas.