Crape myrtles are beloved for their vibrant flowers and elegant foliage, making proper fertilization key to maintaining their health and beauty. Choosing the best fertilizer for crape myrtles involves understanding nutrient blends tailored to encourage blooms, strong branches, and lush growth. Below is a summary table of top recommended fertilizers, followed by detailed reviews to help you select the right product for your garden.
| Product | Brand | Key Features |
|---|---|---|
| Carl Pool Crepe Myrtle Plant Food 24oz 8-55-7 | Carl Pool | Feeds through roots and leaves, fast results, high phosphorus |
| Crape Myrtle & All Flowering Trees Granular Fertilizer NutriStar (4 lb.) | Nelson Plant Food | Suitable for flowering trees and container plants |
| Crepe Myrtle Fertilizer Complete Liquid 8 oz (250mL) | TPS NUTRIENTS | Encourages vibrant blooms, strong branches, complete nutrition |
| Natures Wisdom Crepe Myrtle Tree 8-55-7 Water Soluble Fertilizer 1.5 Lb | Natures Wisdom | Balanced nutrient blend, optimized for various flowering plants |
| Leaves and Soul Crepe Myrtle Professional Liquid Fertilizer 8 oz | Leaves and Soul | 3-5-4 nutrient blend, professional-grade concentrate, easy application |
Carl Pool Crepe Myrtle Plant Food 24oz 8-55-7

This fertilizer offers an 8-55-7 NPK ratio focused on boosting phosphorus for vibrant flowering and root development. The formulation is designed to feed crape myrtles both through the roots and leaves, allowing for fast absorption and quick visible results. Suitable for those looking to enhance blooming during the growing season, it is easy to apply and promotes strong branch growth, supporting overall plant vigor.
Crape Myrtle & All Flowering Trees Granular Fertilizer NutriStar (4 lb.)

Specifically crafted for crape myrtles and other flowering trees, this granular fertilizer provides an effective nutrient profile in a slow-release form. Its versatile application makes it a good choice for container-grown or outdoor plants. While specific NPK values aren’t highlighted, it caters to the nutritional requirements of flowering ornamentals such as mimosa, orchid trees, and desert willow.
Crepe Myrtle Fertilizer Complete Liquid 8 oz (250mL)

This liquid formula is designed to support complete nutrition for crape myrtles, encouraging vibrant blooms and robust branches. The product includes easy-to-follow care instructions, making it user-friendly for gardeners at all levels. Its liquid form allows for rapid nutrient uptake, ensuring that plants receive essential nutrients efficiently.
Natures Wisdom Crepe Myrtle Tree 8-55-7 Water Soluble Fertilizer 1.5 Lb

This fertilizer offers a balanced blend optimized for crape myrtles with an 8-55-7 formula. Apart from crape myrtles, it is suitable for a range of flowering trees, shrubs, and vines like hydrangeas and bougainvillea. Its water-soluble nature allows for easy application and quick absorption, promoting vigorous growth with superior blooms and healthy foliage.
Leaves and Soul Crepe Myrtle Professional Liquid Fertilizer – 8 oz

Formulated with a 3-5-4 nutrient ratio, this professional-grade liquid fertilizer focuses on boosting flowering and growth through enhanced root development and foliage health. It’s suitable for both indoor and outdoor use and offers quick absorption for immediate nourishment. The concentrate’s easy application benefits gardeners seeking a hassle-free solution to support crape myrtle vitality.
Buying Guide for Choosing the Best Fertilizer for Crape Myrtles
When selecting a fertilizer for crape myrtles, consider these key aspects to maximize plant health and flowering potential:
- Nutrient Ratio (NPK): Look for fertilizers higher in phosphorus (the middle number) to encourage strong blooming, with balanced nitrogen for leaf growth and potassium for overall plant vigor.
- Formulation Type: Liquid fertilizers provide fast absorption, ideal for quick nutrient boosts. Granular formulations tend to release nutrients slowly, supporting steady growth over time.
- Plant-Specific Formulations: Choose fertilizers optimized for crape myrtles or flowering trees to meet their unique nutritional needs and avoid generic blends that might lack key elements.
- Application Method: Some products feed through soil roots as well as foliar feeding. Consider ease of application and whether you prefer root watering, foliar spray, or both.
- Additional Nutrients and Minerals: Some fertilizers include trace minerals and beneficial compounds that enhance resistance to pests and environmental stress.
- Environmental Considerations: Water-soluble and slow-release fertilizers can reduce runoff and waste, promoting eco-friendly gardening.
By examining nutrient profiles, formulation types, and tailored features, you can select the best fertilizer for crape myrtles to ensure stunning blooms, lush foliage, and vibrant seasonal growth in your landscape.