Can’t believe I’ve been doing this wrong this entire time Georgia Lynn

Many gardeners inadvertently hinder their hydrangeas’ growth by making common fertilization mistakes. These errors can range from over-fertilizing to using the wrong type of fertilizer. Understanding these mistakes is crucial to avoiding them and ensuring your hydrangeas receive the nutrients they need without causing harm.

One of the most common mistakes is over-fertilizing with nitrogen. While nitrogen is essential for plant growth, too much can lead to excessive leaf production at the expense of blooms. This results in lush foliage but few flowers. It’s important to use a balanced fertilizer and follow the recommended application rates to avoid this issue.

Not all fertilizers are created equal, and using the wrong type can negatively impact your hydrangeas. Some fertilizers are too high in nitrogen or lack essential micronutrients. It’s crucial to choose a fertilizer specifically formulated for flowering plants, ideally one with a balanced N-P-K ratio and added micronutrients.

Timing is everything when it comes to fertilizing hydrangeas. Applying fertilizer too early or too late in the season can disrupt the plant’s natural growth cycle. The best time to fertilize hydrangeas is in early spring, just as the plants begin to leaf out, and again in mid-summer if needed. Avoid fertilizing in late fall, as this can encourage new growth that may not survive the winter.

Soil pH plays a significant role in the availability of nutrients to hydrangeas. These plants are unique in that their bloom color can change based on soil pH. Acidic soils (pH below 6) produce blue flowers, while alkaline soils (pH above 7) result in pink blooms. Ignoring soil pH can lead to nutrient deficiencies and affect bloom color. Regularly testing your soil and adjusting pH as needed is essential for healthy hydrangeas.

Different hydrangea varieties have different fertilization needs. For example, bigleaf hydrangeas (Hydrangea macrophylla) are more sensitive to soil pH changes than panicle hydrangeas (Hydrangea paniculata). Understanding the specific needs of your hydrangea variety will help you tailor your fertilization approach for the best results.

To fertilize your hydrangeas correctly, start by selecting a balanced, slow-release fertilizer with an N-P-K ratio of around 10-10-10. Apply the fertilizer in early spring, following the package instructions for the appropriate amount based on your plant’s size. Water the fertilizer in thoroughly to help it reach the roots. Consider a second application in mid-summer if your plants show signs of nutrient deficiency.

A balanced fertilization schedule involves regular applications of the right type of fertilizer at the right times. Begin in early spring with a slow-release granular fertilizer, and supplement with a liquid fertilizer every 4-6 weeks during the growing season if necessary. Always monitor your plants for signs of over-fertilization, such as burnt leaf edges or excessive leaf growth.

For those who prefer a DIY approach, you can create a homemade liquid fertilizer using household ingredients. Combine 1 tablespoon of Epsom salt, 1 tablespoon of baking soda, and 1 tablespoon of ammonia in a gallon of water. This mixture provides essential nutrients and can be used as a foliar spray or soil drench every 4-6 weeks.

To apply liquid fertilizer, first ensure the soil is moist to prevent root burn. Use a watering can or garden sprayer to evenly distribute the fertilizer around the base of the plant, avoiding direct contact with the leaves. Apply in the early morning or late afternoon to minimize evaporation and allow the plant to absorb the nutrients effectively.

If you wish to change the color of your hydrangea blooms, you can adjust your fertilization practices accordingly. For blue blooms, acidify the soil by adding aluminum sulfate. For pink blooms, increase the soil’s alkalinity with garden lime. Always test your soil pH before making adjustments to avoid over-correction.

Regularly monitor your hydrangeas for signs of nutrient deficiencies or excesses, such as yellowing leaves or stunted growth. Adjust your fertilization practices as needed, and consider conducting a soil test every few years to ensure your plants are receiving the right balance of nutrients. This proactive approach will help you maintain healthy, vibrant hydrangeas.

By understanding the nutritional needs of your hydrangeas and avoiding common fertilization mistakes, you can ensure your plants produce stunning summer blooms. With the right fertilization practices, tailored to your specific hydrangea variety and soil conditions, you’ll enjoy a garden full of vibrant, healthy flowers. Remember, the key to success lies in balance, timing, and attention to detail.