10 Best Fertilizer For Crepe Myrtles 2026 in the United States

Miracle-Gro Water Soluble All Purpose Plant Food is a versatile fertilizer designed for a variety of plants, including flowers, vegetables, trees, shrubs, and houseplants. It aims to promote rapid growth and vibrant results. One of its significant strengths is the NPK ratio, which is well-balanced for general plant health but may not be specialized enough for specific needs like crepe myrtles.

This fertilizer is synthetic, meaning it provides quick results, but some gardeners might prefer organic options for a more natural approach. It contains essential micronutrients, which are beneficial for plant health. The application frequency is convenient, allowing for flexible use both indoors and outdoors with varying amounts depending on the plant type. It’s easy to apply using a watering can or the Miracle-Gro Garden Feeder, making it user-friendly even for those new to gardening.

However, the broad application might not meet the specific requirements of crepe myrtles as precisely as a specialized fertilizer would. Additionally, while the product supports substantial coverage, which is excellent for large gardens, it may be more than needed for smaller spaces. In conclusion, this product is effective for a wide range of plants but might not be the most targeted choice for crepe myrtles if you're looking for a fertilizer that caters specifically to their unique needs.

Miracle-Gro Shake 'N Feed All Purpose Plant Food is a versatile option for feeding your crepe myrtles, whether they are in-ground or in containers. This fertilizer has an NPK ratio suitable for a wide range of plants, delivering essential nutrients for up to three months. A notable strength is its inclusion of vital micronutrients, which can help your plants become stronger and more vibrant compared to unfed plants.

Another advantage is its ease of use; you simply apply it to the soil and work it in lightly, followed by regular watering. This makes it convenient for both novice and experienced gardeners. Additionally, the product's ability to feed both the soil and the plants above it ensures comprehensive nourishment.

This is a synthetic fertilizer, which may not appeal to those looking for organic options. Also, the granule form means that it needs to be worked into the soil, which might be a bit labor-intensive for some users. Reapplication every three months is required to maintain its effectiveness, which might be a drawback for those seeking a more long-term solution. Despite these points, Miracle-Gro Shake 'N Feed's balanced nutrient profile and ease of application make it a solid choice for feeding crepe myrtles and a variety of other plants.

The Osmocote Smart-Release Plant Food with an NPK ratio of 14-14-14 is a balanced, synthetic slow-release fertilizer designed to support strong roots and healthy growth in perennials, including crepe myrtles. Its granule form and smart-release technology mean nutrients are released gradually, controlled by soil temperature, which helps feed plants steadily and reduces the risk of burning—even if you accidentally apply more than recommended. This makes it user-friendly and forgiving, especially for beginners.

It includes some micronutrients beneficial for overall plant health. The instructions suggest mixing the fertilizer into the top few inches of soil, with one pound covering about 40 square feet, which is practical for garden beds or mulched areas around trees. Because it is synthetic and not organic, it may not fit preferences for organic gardening.

This fertilizer promotes vigorous growth but does not provide additional nutrient boosts tailored especially for crepe myrtles compared to more specialized fertilizers. It suits gardeners who want a reliable, easy-to-use fertilizer to keep crepe myrtles and similar plants healthy with less hassle.