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English ivy (Hedera helix) is a popular plant for indoor and outdoor decoration. Propagating new plants from cuttings is an easy and cost-effective way to expand your greenery. Proper harvesting and storage of cuttings, especially considering humidity, can greatly improve your success rate.
Choosing the Right Time to Harvest
The best time to take English ivy cuttings is during the spring or early summer when the plant is actively growing. During this period, the cuttings are more likely to develop roots quickly and successfully.
How to Harvest English Ivy Cuttings
Use sharp, clean scissors or pruning shears to make a clean cut just below a leaf node. Select healthy, non-flowering stems that are about 4 to 6 inches long. Remove the lower leaves to expose the nodes, which will be the rooting points.
Preparing Cuttings for Storage
Before storing, dip the cut ends in rooting hormone to encourage root development. Allow the cut ends to dry for a few hours to prevent rot. Proper preparation increases the chances of successful propagation.
Storing Cuttings with Humidity in Mind
Maintaining high humidity around the cuttings is crucial. Wrap the cuttings in a damp paper towel or place them in a plastic bag with some moist peat moss or sphagnum moss. Ensure the container is sealed but has some ventilation to prevent mold growth.
Using a Humidity Dome
A humidity dome or clear plastic container can be used to create a mini greenhouse environment. Place the cuttings inside and keep the dome in a warm, bright location but out of direct sunlight. Check regularly to maintain moisture levels.
Monitoring and Maintaining Humidity
Spray water onto the inside of the storage container daily to keep humidity high. Avoid over-wetting, which can cause mold. The goal is to keep the environment consistently moist but not soggy.
Transplanting Rooted Cuttings
After 4 to 6 weeks, check for root development by gently tugging the cuttings. Once a healthy root system has formed, transplant the cuttings into pots with well-draining soil. Gradually acclimate them to normal humidity levels.
Additional Tips for Success
- Use sterile tools to prevent infection.
- Keep the environment warm, ideally between 65-75°F (18-24°C).
- Place cuttings in bright, indirect light during rooting.
- Be patient; rooting can take several weeks.
By carefully harvesting, preparing, and maintaining humidity, you can successfully propagate English ivy and enjoy lush, green plants in your home or garden.