Crape Myrtle (Lagerstroemia), known for its vibrant summer blooms and extended flowering period of up to "100 days," is a star plant in many gardens. To enhance its Extend Blooming Period and vitality, scientific care is essential. Crape Myrtle Pruning is a core aspect of this care, complemented by effective Pest Control, which can result in more abundant and colorful flowers. With the help of Pruning Shears, especially efficient tools like JOVANT Pruning Shears, the pruning process can be more effortless and precise. This article provides a detailed guide to crape myrtle care, covering pruning techniques, pest management, and secrets to extending the blooming period. It also answers a unique question: “How to double crape myrtle blooms with the ‘girdling’ technique?” Whether you are a gardening novice or an experienced enthusiast, this 1500-word article will help you create a summer floral spectacle.
Why Does Crape Myrtle Need Meticulous Care?
Crape myrtle is renowned for its heat and drought tolerance and long blooming period, earning it the nickname "100-day red." However, achieving a truly extended blooming period requires careful maintenance. The key to Extend Blooming Period lies in optimizing the growing environment through pruning, fertilization, and pest control. Without proper pruning, crape myrtle can become overgrown, with fewer blooms and increased susceptibility to pests and diseases. For example, dense branches can hinder air circulation, leading to powdery mildew, while neglecting pruning can reduce flower buds, affecting the summer landscape. Therefore, scientific Crape Myrtle Pruning and Pest Control are fundamental to keeping your crape myrtle vibrant.

Summer (June to September) is the peak blooming season for crape myrtle, but care should begin in early spring and continue year-round. Below are the specific care steps, focusing on pruning and techniques to extend the blooming period.
Step One: Scientific Pruning to Stimulate Flower Buds
Crape Myrtle Pruning is crucial for maintaining the health and beauty of your crape myrtle. Proper pruning not only shapes the tree but also stimulates the formation of more flower buds. Here are the key pruning techniques, utilizing both manual and electric Pruning Shears like JOVANT Pruning Shears:
Choosing the Right Time to Prune
The best time to prune crape myrtle is from late winter to early spring (February to March) when the tree is dormant, and pruning causes the least disruption to growth. Light pruning in the summer (removing spent flowers) can also extend the blooming period, but avoid heavy pruning during this time. JOVANT Pruning Shears, with their electric design, are particularly suitable for large-scale spring pruning, efficiently handling branches up to 3 cm in diameter.
Removing Dead Branches and Suckers
Begin by using Pruning Shears to remove dead, diseased, and suckers (thin shoots growing from the base). These branches compete for nutrients and can reduce flower production. The efficiency of electric pruners makes this step easier. For instance, JOVANT Pruning Shears can make clean cuts in seconds, promoting quick healing of the wounds.

Thinning the Canopy to Improve Airflow
Crape myrtle branches can become dense, leading to poor air circulation and increased disease risk. Thin out inward-growing branches, retaining 3-5 main branches to form an open "vase shape." This structure not only looks attractive but also allows sunlight to reach all parts of the tree, stimulating flower bud development. Manual pruners are ideal for fine-tuning, while electric pruners are better for quick cleanup.
Deadheading to Extend the Blooming Period
To Extend Blooming Period, regularly remove spent flower clusters (a technique known as "deadheading") during the summer. This stimulates the crape myrtle to produce new flower buds within a few weeks, prolonging the blooming time. JOVANT Pruning Shears ensure precise cuts, avoiding damage to healthy branches and making the process efficient.
Avoid "over-pruning" (also known as "crape murder"), which involves cutting too many branches at once, weakening the tree and reducing flower production. Each pruning session should remove no more than 20-30% of the total branches.
Step Two: Pest Control for Healthy Growth
Pest Control is another critical aspect of crape myrtle care. Healthy crape myrtle trees bloom more profusely, while pests and diseases can significantly impact flower quantity and appearance. Here are common issues and their solutions:

Powdery Mildew
Powdery mildew is a major threat to crape myrtle, often caused by poor air circulation or high humidity. It manifests as white, powdery spots on leaves and flower buds. Prevention methods include:
- Improving airflow through pruning.
- Applying sulfur powder or fungicides (such as triforine) every 10-14 days until symptoms disappear.
- Choosing disease-resistant varieties like ‘Natchez’ or ‘Muskogee.’
Aphids and Spider Mites
Aphids suck the sap from crape myrtle leaves, causing them to curl, while spider mites lead to yellowing leaves. Control measures include:
- Using a high-pressure water spray to physically remove pests.
- Applying a soap water solution (1 liter of water with 2 tablespoons of dish soap) or specific insecticides (such as imidacloprid).
- Regularly checking the undersides of leaves for early detection and treatment of pests.
Maintaining a Clean Environment
After pruning, promptly remove fallen leaves and branches to prevent the spread of diseases. Successful Pest Control relies on regular maintenance, such as weekly inspections of the tree's condition to address issues early.
Step Three: How to Double Crape Myrtle Blooms with the ‘Girdling’ Technique?
Now, let's address an intriguing question: “How to double crape myrtle blooms with the ‘girdling’ technique?”
Introduction to Girdling
Girdling is an advanced gardening technique that involves removing a ring of bark from a branch or trunk to disrupt the downward flow of nutrients, forcing the plant to concentrate resources on flower buds and upper growth. This technique can significantly increase flower production in crape myrtle, theoretically doubling the number of blooms. However, it must be done carefully to avoid damaging the tree.
Detailed Steps
Choosing the Right Time: The best time for girdling is early spring (late February to early March) when the tree is just beginning to bud. At this stage, the tree has strong healing abilities and minimal risk of damage.
Selecting the Location: Choose a healthy main branch or trunk with a diameter of about 5-10 cm, approximately 30-50 cm above the ground. Avoid girdling very thin or old branches.

Performing the Girdling: Use a sharp utility knife to make two circular cuts around the selected branch or trunk, about 1 cm apart, cutting through the bark but not into the wood. Remove the bark between the two cuts to create a complete ring. JOVANT Pruning Shears can also be used to clean up the edges of the cut.
Treating the Wound: Wrap the wound lightly with breathable tape (such as gardening tape) to prevent infection, but do not seal it completely, allowing room for healing.
Follow-Up Care: After girdling, water the tree 1-2 times a week and apply a high-phosphorus fertilizer (such as a 0.1% solution of potassium dihydrogen phosphate) to promote flower bud formation. Monitor the wound for healing, which should show callus tissue formation within 4-6 weeks.
Results and Risks
Successful girdling can increase crape myrtle blooms by 50-100% in the current or following season, resulting in larger and denser flower clusters. For example, a gardener who girdled two main branches of a 3-meter-tall crape myrtle saw the flower count increase from 50 to nearly 100 clusters that year. However, girdling can weaken the tree's long-term health, especially in rainy regions where infection risks are higher. Therefore, it is recommended to:
- Only attempt girdling on healthy, mature crape myrtle trees (at least 3 years old).
- Girdle no more than 1-2 branches per tree to avoid excessive stress.
- Consult a professional gardener if unsure about the procedure.
Girdling can help achieve the goal of Extend Blooming Period but requires balancing short-term flower abundance with long-term tree health.
Additional Care Tips: Making Your Crape Myrtle Shine
Besides pruning and girdling, comprehensive care is essential for crape myrtle:
Watering and Fertilizing: Water crape myrtle 1-2 times a week during the summer to keep the soil moist but not waterlogged. Apply a balanced fertilizer (such as 10-10-10 NPK) monthly, switching to a high-phosphorus fertilizer before the blooming period.
Ensuring Adequate Sunlight: Crape myrtle requires full sun (at least 6 hours daily). Ensure the planting location is free from tall obstructions.

Winter Protection: In cold regions (below -10°C), wrap the main trunk with burlap or cover the roots with mulch to prevent frost damage.
For instance, a crape myrtle grower who practiced summer deadheading and increased fertilization extended the blooming period from 60 to 90 days, demonstrating the effectiveness of comprehensive care.
Conclusion: Ignite Your Crape Myrtle’s Summer Passion with Proper Care
Achieving crape myrtle’s "100-day bloom" requires scientific care, with Crape Myrtle Pruning and Pest Control at its core. With the help of Pruning Shears, especially the efficient JOVANT Pruning Shears, you can effortlessly shape your crape myrtle and extend its blooming period.