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Dividing bougainvillea is a great way to propagate new plants and manage the size of your existing shrub. Proper division ensures healthy growth and vigorous new plants. Follow these step-by-step instructions to successfully divide your bougainvillea.
Tools and Timing
- Sharp pruning shears or a saw
- Garden gloves
- Pruning saw or spade
- Rooting hormone (optional)
- Watering can
The best time to divide bougainvillea is during its dormant period, typically in early spring or late winter. Ensure the plant has adequate water before starting.
Step 1: Prepare the Plant
Water the bougainvillea thoroughly a day before dividing. This softens the soil and reduces stress on the plant during the process. Wear gloves to protect your skin from thorns.
Step 2: Dig Around the Root Ball
Using a spade or garden fork, carefully dig around the base of the plant, about 12-18 inches from the main stem. Loosen the soil and gently lift the root ball out of the ground.
Step 3: Divide the Root Ball
Place the root ball on a flat surface. Using a sharp saw or pruning shears, cut through the root ball into sections. Each section should have a healthy root system and some stems or branches.
Step 4: Prepare the Divisions
If desired, dip the cut ends into rooting hormone to encourage root development. Trim any damaged roots or stems to promote healthy growth.
Step 5: Plant the Divisions
Plant each division in well-draining soil, at the same depth it was growing before. Water thoroughly to settle the soil around the roots.
Step 6: Care After Division
Keep the newly planted divisions in a shaded area for a few days. Water regularly to keep the soil moist but not waterlogged. Gradually expose them to full sunlight as they establish.
Tips for Success
- Ensure each division has enough roots to support growth.
- Avoid dividing during extreme heat or drought conditions.
- Use clean, sharp tools to prevent disease transmission.
- Be patient; new growth may take several weeks to appear.
Dividing bougainvillea can be a rewarding process that results in new, vibrant plants. With proper technique and care, your bougainvillea will thrive and beautify your garden for years to come.