The best fertilizer for Crepe Myrtles is crucial for maintaining their health and helping them reach their full potential. Known for their stunning blooms, vibrant colors, and ability to thrive in various climates, Crepe Myrtles have become a favorite among gardeners and landscapers.

Fertilizers provide the critical nutrients these plants need to produce lush foliage, abundant flowers, and strong roots.

Whether you’re a seasoned gardener or a beginner, understanding the right type of fertilizer and its application can make all the difference in the beauty and longevity of your Crepe Myrtles.

In this guide, we’ll review the 10 best fertilizers for Crepe Myrtles, discuss their unique benefits, and offer expert tips to help you make the perfect choice for your garden.

10 Best Fertilizer For Crepe Myrtles

1. Miracle-Gro Shake ‘n Feed Flowering Trees and Shrubs – Best Fertilizer for Crepe Myrtles with Easy Application

Miracle-Gro Shake ‘n Feed Flowering Trees and Shrubs is an excellent option for Crepe Myrtles, thanks to its convenient shake-on formula and continuous release technology. This fertilizer delivers a balanced nutrient mix, promoting vibrant blooms and strong root development. With a 12-4-8 NPK ratio, it provides a good balance for Crepe Myrtles, especially in their active growing season.

Its slow-release formula ensures that nutrients are available to the plants over a longer period, reducing the need for frequent applications. Additionally, it encourages deep root growth, which is critical for Crepe Myrtles to thrive. Miracle-Gro is trusted by gardeners for its ease of use and reliable results.

Pros:

• Easy application
• Promotes vibrant blooms
• Slow-release formula
• Excellent for root growth
• Trusted brand
• Great for shrubs and trees

Cons:

• Contains synthetic ingredients
• Not suitable for all plant types
• Requires reapplication for continuous feeding

2. Osmocote Smart-Release Flower & Vegetable Plant Food – Best Slow-Release Fertilizer for Crepe Myrtles

Osmocote Smart-Release Flower & Vegetable Plant Food is a great option for Crepe Myrtles, providing a slow-release formula that nourishes plants for up to 6 months. With a 14-14-14 NPK ratio, this fertilizer offers a balanced supply of essential nutrients that Crepe Myrtles need for lush growth and vibrant flowering. The granules are coated to release nutrients gradually, preventing over-fertilization and root burn.

This product is ideal for those looking for a long-term solution to fertilizing their Crepe Myrtles. The easy-to-use granular form can be sprinkled around the base of the plant, and the nutrients are absorbed as needed. It’s suitable for both new and established plants, promoting strong growth throughout the growing season.

Pros:

• Slow-release formula
• Balanced NPK ratio
• Long-term nourishment
• Safe for new plants
• Reduces risk of over-fertilization
• Easy to apply

Cons:

• Higher price point
• May not be as effective for acidic soils
• Some users report clumping

3. Jobe’s Organics Flower & Rose Granular Fertilizer – Best Organic Fertilizer for Crepe Myrtles

Jobe’s Organics Flower & Rose Granular Fertilizer is an organic fertilizer designed for flowering plants like Crepe Myrtles. With an NPK ratio of 4-4-4, it provides balanced nutrition that supports healthy flowering and overall plant health. This fertilizer is made from natural ingredients such as bone meal and feather meal, which slowly release nutrients into the soil.

Being an organic option, it is safer for the environment and beneficial for the soil, promoting beneficial microorganisms. Crepe Myrtles benefit from the gradual nutrient release that this fertilizer offers, especially during their bloom period. It’s perfect for gardeners looking for an eco-friendly alternative to synthetic fertilizers.

Pros:

• Organic and eco-friendly
• Supports healthy blooms
• Safe for soil
• Gradual nutrient release
• Ideal for flowering plants
• Promotes soil health

Cons:

• Lower NPK ratio
• Requires more frequent applications
• May take longer to see results

4. Espoma Tree-Tone Organic Fertilizer – Best Fertilizer for Crepe Myrtles in Trees

Espoma Tree-Tone Organic Fertilizer is specifically designed for trees and shrubs, making it an excellent choice for Crepe Myrtles. This organic product features a 6-3-2 NPK ratio, which is ideal for promoting deep root growth and overall tree health. It is made from natural and organic ingredients, which ensure a safe and sustainable fertilizing option.

Espoma’s Tree-Tone also contains beneficial microbes and nutrients that help improve soil health over time, fostering a thriving environment for Crepe Myrtles. Its slow-release formula provides nourishment over an extended period, reducing the need for frequent fertilizing.

Pros:

• Organic and safe for the environment
• Ideal for tree care
• Contains beneficial microbes
• Supports deep root development
• Slow-release formula
• Great for all types of trees

Cons:

• Lower NPK ratio
• Requires more frequent reapplication
• Can be more expensive

5. Black Kow Composted Cow Manure – Best Organic Fertilizer for Crepe Myrtles

Black Kow Composted Cow Manure is a top choice for those looking for an organic and sustainable fertilizer for Crepe Myrtles. This product is rich in nutrients and beneficial microbes that help improve soil structure and promote plant health. With a nitrogen-rich formula, it helps stimulate robust root growth and encourages healthy foliage.

The manure is fully composted, which makes it safe to use and prevents burning the plant. It enhances the soil’s ability to retain moisture, which is vital for Crepe Myrtles, particularly in dry conditions. While it may not provide a balanced NPK ratio, it is excellent for enriching the soil naturally and providing a steady supply of nutrients throughout the growing season.

Pros:

• Organic and eco-friendly
• Rich in beneficial microbes
• Improves soil structure
• Safe and easy to apply
• Enhances moisture retention
• Great for long-term soil health

Cons:

• May not provide all essential nutrients
• Requires more frequent reapplication
• Strong odor when first applied

6. Miracle-Gro Water Soluble Flowering Plant Food – Best Liquid Fertilizer for Crepe Myrtles

Miracle-Gro Water Soluble Flowering Plant Food is a quick-acting fertilizer perfect for Crepe Myrtles that need a rapid nutrient boost. With a higher phosphorus content (18-24-16), this fertilizer encourages vibrant blooms and healthy foliage. It is water-soluble, meaning that it dissolves quickly in water, making it ideal for fast absorption by the roots.

This liquid formula is perfect for gardeners who need to see quick results and is particularly effective in the early stages of growth. It’s easy to apply through watering, and the results are often visible within days. Miracle-Gro’s trusted brand also ensures consistency and effectiveness in delivering key nutrients that Crepe Myrtles require during the blooming period.

Pros:

• Fast-acting liquid formula
• High phosphorus for blooms
• Easy application
• Visible results in days
• Trusted brand
• Ideal for quick nutrient boost

Cons:

• Requires frequent reapplication
• Can over-fertilize if not used carefully
• Not suitable for long-term feeding

7. Schultz Bloom Plus Plant Food – Best Fertilizer for Crepe Myrtles to Promote Flowering

Schultz Bloom Plus Plant Food is a specially formulated fertilizer designed to encourage blooming in flowering plants like Crepe Myrtles. With an NPK ratio of 10-30-20, it’s packed with high phosphorus and potassium levels that are essential for strong flower production and vibrant colors. This water-soluble fertilizer works fast, offering quick nourishment to plants that need a boost.

It’s particularly beneficial for Crepe Myrtles when they enter their flowering phase, helping them produce more flowers and enhancing their overall visual appeal. It also promotes overall plant health by strengthening stems and leaves. Schultz Bloom Plus is ideal for gardeners looking to maximize their plant’s blooming potential.

Pros:

• High phosphorus and potassium
• Promotes flowering
• Fast-acting water-soluble formula
• Strengthens plant structure
• Easy to use
• Enhances color and bloom production

Cons:

• Requires regular application
• Can cause leaf burn if overused
• May be too high in phosphorus for some plants

8. Dr. Earth Organic 9-9-9 Fertilizer – Best Balanced Organic Fertilizer for Crepe Myrtles

Dr. Earth Organic 9-9-9 Fertilizer is an all-purpose, balanced organic fertilizer ideal for Crepe Myrtles. With a 9-9-9 NPK ratio, it provides a perfectly balanced mix of essential nutrients for promoting both root and flower development. This product is made from natural and organic materials, ensuring safety for both plants and the environment.

The fertilizer is designed to improve soil health while also providing an immediate nutrient boost, making it perfect for both new and established Crepe Myrtles. Dr. Earth is known for using sustainable ingredients, and this formula contains no synthetic chemicals, making it an excellent choice for organic gardeners. The product also contains beneficial soil microbes to improve soil structure and promote healthy root growth.

Pros:

• Balanced NPK ratio
• Organic and eco-friendly
• Contains beneficial microbes
• Safe for all plants
• Improves soil health
• Ideal for overall plant health

Cons:

• May require multiple applications
• Higher price compared to synthetic options
• Lower nutrient concentration than synthetic fertilizers

9. Greenview Fertilizer for Flowering Shrubs – Best Budget Fertilizer for Crepe Myrtles

Greenview Fertilizer for Flowering Shrubs is a budget-friendly option that doesn’t compromise on performance. With an NPK ratio of 12-6-6, this fertilizer offers a healthy balance of nutrients that support Crepe Myrtles’ growth, foliage, and flowers. It’s a granular formula that is easy to spread around the base of your Crepe Myrtle and provides steady nourishment over time.

It also contains micronutrients that help plants resist disease and stress, while the high nitrogen content ensures that Crepe Myrtles have lush green foliage. Greenview’s fertilizer is an affordable choice for those looking for a cost-effective solution for their Crepe Myrtles without sacrificing quality.

Pros:

• Budget-friendly
• Good NPK ratio for shrubs
• Contains micronutrients
• Easy to apply
• Enhances foliage and blooms
• Ideal for long-term growth

Cons:

• May require reapplication for ongoing feeding
• Not suitable for fast growth
• Some users report slower results

10. Plant-Tone Organic Fertilizer – Best All-Purpose Organic Fertilizer for Crepe Myrtles

Plant-Tone Organic Fertilizer is an all-purpose organic fertilizer that works well with Crepe Myrtles. With a 5-3-3 NPK ratio, it provides essential nutrients for steady growth, vibrant blooms, and strong root development. This organic fertilizer is made from a blend of natural ingredients that promote overall plant health while being safe for the environment.

The slow-release formula ensures that Crepe Myrtles receive nutrients gradually over time, preventing the risk of over-fertilization. Plant-Tone also contains beneficial microbes that support soil health, improving root development and nutrient absorption. It’s a great option for organic gardeners who want to feed their plants naturally while maintaining a healthy garden ecosystem.

Pros:

• Organic and eco-friendly
• Slow-release formula
• Supports strong root development
• Contains beneficial microbes
• Safe for soil and plants
• Ideal for long-term care

Cons:

• Lower NPK ratio
• May take longer to see results
• Requires multiple applications for best results

 Tips for Choosing the Best Fertilizer for Crepe Myrtles

When selecting fertilizers for Crepe Myrtles, it’s important to pay attention to a few key factors to ensure your plant receives the right nutrients.

Nutrient Ratio: One of the most important considerations when choosing fertilizers for Crepe Myrtles is the nutrient ratio. Crepe Myrtles generally thrive with a balanced NPK ratio, such as 10-10-10 or 12-4-8, which provides an equal or appropriate mix of nitrogen (N), phosphorus (P), and potassium (K). These nutrients help promote healthy growth, blooming, and root development, ensuring that your Crepe Myrtles flourish.

Slow-Release Formula: For long-term health and gradual nutrient absorption, it’s beneficial to opt for fertilizers for Crepe Myrtles that offer a slow-release formula. Slow-release fertilizers allow nutrients to be available over an extended period, preventing the risk of nutrient overload and ensuring steady growth. This method also helps in sustaining the plant’s health throughout the growing season.

Organic vs. Synthetic: When selecting fertilizers for Crepe Myrtles, you must also decide between organic and synthetic options. Organic fertilizers are made from natural materials and are safer for the environment, while synthetic fertilizers tend to be more concentrated and provide quick results. Depending on your gardening philosophy and the urgency of feeding your Crepe Myrtles, this choice can significantly impact your plant’s development and the surrounding ecosystem.

Application Method: The method of application for fertilizers for Crepe Myrtles can influence how effectively nutrients reach the roots. Granular fertilizers are easy to spread around the base of the plant, while liquid fertilizers can be applied directly to the soil for faster absorption. Spike fertilizers are another option that can be inserted into the ground, providing consistent feeding over time. The right method depends on your preference and the specific needs of your Crepe Myrtles

To sum up, the best fertilizers for Crepe Myrtles offer a range of options suited to different gardening needs and preferences. Miracle-Gro Shake ‘n Feed Flowering Trees and Shrubs stands out as the top fertilizers for Crepe Myrtles choice due to its balanced nutrients and ease of use, making it ideal for both new and established plants.

The runner-up of fertilizers for Crepe Myrtles, Osmocote Smart-Release, provides long-term nourishment with its slow-release formula, ensuring that yo ur Crepe Myrtles receive the necessary nutrients for extended growth.

When selecting a fertilizers for Crepe Myrtles, consider factors like nutrient ratio, release formula, and whether you prefer organic or synthetic options. Choosing the right fertilizer will ensure vibrant blooms, healthy growth, and a stunning display in your garden