Crepe myrtles thrive with balanced nutrition. This guide highlights five top crepe myrtle fertilizers, explaining how each product supports blooms, foliage, and overall tree health. While not insecticides, these products address essential nutrient needs that help trees resist stress and maintain vibrant color. The buying guide at the end offers practical tips on selecting the right formula, application tips, and how to compare nutrient blends for your climate and soil.
| Product | Brand | Nutrient Blend | Format |
|---|---|---|---|
| Creepe Myrtle Plant Food — Water Soluble 24oz 8-55-7 | Carl Pool | 8-55-7 | Water Soluble |
| Crepe Myrtle Fertilizer – Liquid 8 oz | TPS NUTRIENTS | Not specified on listing | Liquid |
| Crepe Myrtle Fertilizer – Liquid 32 oz | TPS NUTRIENTS | Not specified on listing | Liquid |
| Leaves and Soul Crepe Myrtle Professional Liquid Fertilizer 8 oz | Leaves and Soul | 3-5-4 | Liquid |
| Natures Wisdom Crepe Myrtle Tree 8-55-7 | Natures Wisdom | 8-55-7 | Water Soluble |
Note: This article focuses on nutrient-focused products suitable for crepe myrtles. For pest-related issues, consider integrated pest management strategies that combine cultural practices with approved insecticides if needed. Always follow label directions for safe and effective use.
Carl Pool Crepe Myrtle Plant Food

The Carl Pool Crepe Myrtle Plant Food is a water-soluble formulation designed to feed through both roots and leaves for faster results. The 24-ounce supply is formulated as an 8-55-7 balance, emphasizing phosphorus and potassium to support bloom production and sturdy branch development. This product is positioned to help crepe myrtles establish strong nutrient uptake, improving flowering intensity during the growing season. Application usually involves mixing with water and applying according to label directions, supporting both established trees and younger plantings.
TPS NUTRIENTS Crepe Myrtle Fertilizer – Liquid 8 oz

TPS NUTRIENTS’ Crepe Myrtle Fertilizer for 8 oz is a complete liquid plant food designed to promote thriving crepe myrtle trees with vibrant blooms and healthy growth. The product emphasizes a balanced approach, combined with clear care instructions aimed at simplifying adoption for homeowners. Though not all listings specify a detailed N-P-K breakdown, the packaging highlights its suitability for encouraging bloom production and robust branch structure, making it a practical choice for garden beds and street trees alike.
TPS NUTRIENTS Crepe Myrtle Fertilizer – Liquid 32 oz

This larger 32-ounce liquid fertilizer from TPS NUTRIENTS is designed for gardeners seeking extended coverage with a formula intended to support thriving crepe myrtle trees. The product emphasizes vibrant blooms and strong branches, with easy-to-follow care instructions that help ensure proper application timing and dosage. It is well-suited for ongoing seasonal feeding as part of a broader tree-care regimen and is compatible with both outdoor landscapes and container plantings.
Leaves and Soul Crepe Myrtle Professional Liquid Fertilizer

Leaves and Soul offers a professional-quality liquid fertilizer specifically formulated for crepe myrtles, featuring a 3-5-4 nutrient blend. The concentrate targets root development, foliage, and flower production, supporting both indoor and outdoor use. The product highlights rapid absorption and user-friendly application, making it a convenient option for gardeners seeking noticeable bloom enhancement and healthy growth without complex scheduling.
Natures Wisdom Crepe Myrtle Tree 8-55-7

Natures Wisdom provides an 8-55-7 water-soluble fertilizer tailored for crepe myrtles. This balanced formula prioritizes phosphorus and potassium to support flowering and overall vigor. The water-soluble format allows for quick nutrient availability through both soil and foliar pathways, which can help promote strong bloom cycles and lush foliage in sunny climates where crepe myrtles thrive.
Buying Guide: Key Purchase Considerations And Comparisons
- Nutrient balance: Look for formulas with a higher middle and end number (phosphorus and potassium) to support flowering and branch strength. An 8-55-7 or 3-5-4 blend is common and tends to perform well on crepe myrtles.
- Solubility and application: Water-soluble and liquid formats enable easy uptake and flexible application, including foliar feeding if directions permit. Consider whether you prefer concentrated liquids for bulk use or ready-to-use solutions.
- Plant stage and size: Younger trees may benefit from milder, regular feedings, while established specimens can tolerate more robust formulas. Follow label timing around active growth and bloom cycles.
- Indoor vs outdoor: Most crepe myrtle fertilizers are suitable for outdoor use; some concentrates may be adaptable to indoor containers, but verify labeling before use.
- Application frequency: Some products include easy-care instructions with seasonal schedules. Consistency helps maximize bloom production and color intensity over the growing season.
- Quality and sourcing: Choose products from reputable brands with clear ingredient disclosures. Water-soluble blends facilitate uniform nutrient distribution in soil and media.
- Safety and compatibility: Use as directed to avoid fertilizer burn. If pests are a concern, integrate with pest management practices and consider insecticidal options only if necessary and labeled for use on crepe myrtles.
- Climate considerations: In hotter or drier regions, timely feeding around new growth can help maintain bloom cycles. Adjust frequency based on rainfall and soil moisture.
- Cost per application: Compare capsule or bottle sizes against coverage area and label dosage to estimate cost-effectiveness over a growing season.
- Alternative blends: For gardeners with diverse ornamentals, a universal flowering plant fertilizer (ornamental trees, shrubs, and vines) may simplify purchases, but ensure compatibility with crepe myrtles for best results.