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Growing bougainvillea from cuttings is a rewarding way to propagate this vibrant and hardy plant. With the right techniques, you can successfully root cuttings and enjoy new, colorful shoots in your garden or balcony. This guide provides essential tips for rooting bougainvillea cuttings and encouraging healthy growth.
Choosing the Right Cutting
Select healthy, semi-hardwood stems that are about 4 to 6 inches long. Make sure the cutting has at least two leaf nodes, which are points where leaves attach to the stem. Avoid using woody or overly soft stems, as they may not root successfully.
Preparing the Cutting
Remove the lower leaves to expose the leaf nodes, which will develop roots. You can also trim the top of the cutting to reduce moisture loss. Dip the cut end into rooting hormone to promote faster root development, especially if the cutting is from a mature plant.
Planting the Cutting
Insert the prepared cutting into a well-draining potting mix, such as a combination of sand and peat or perlite. Ensure at least one or two leaf nodes are buried in the soil. Water lightly to settle the soil around the cutting, but avoid overwatering to prevent rot.
Creating the Right Environment
Place the pot in a warm, bright location with indirect sunlight. Maintaining high humidity around the cutting encourages root growth. Cover the pot with a plastic bag or a clear plastic container to create a mini greenhouse. Remember to ventilate occasionally to prevent mold.
Watering and Care
Keep the soil moist but not soaked. Check regularly and water when the top inch of soil feels dry. Remove the plastic cover once new shoots appear, indicating successful rooting. Continue to provide bright, indirect light and avoid fertilizing until the roots are well established.
Monitoring Root Development
Gently tug on the cutting after a few weeks to check for resistance, which indicates root formation. Alternatively, carefully remove the cutting from the soil to inspect the roots. Healthy roots are white or light-colored and firm.
Transplanting and Growing
Once the roots are well-developed, transplant the bougainvillea into a larger pot or directly into the garden. Choose a sunny location with well-draining soil. Continue to water regularly and support the plant with stakes if necessary. With proper care, your bougainvillea will flourish and produce vibrant bracts.