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Houseplant propagation guides

How to propagate houseplants in perlite

by Plants for all Seasons 07 Mar 2023

Propagating a houseplant cutting in perlite is another alternative method to propagate a houseplant. This method works well for plants that prefer well-draining soil and can tolerate drier conditions. Here are the detailed steps to propagate a houseplant cutting in perlite:

  1. Choose a healthy stem: Select a healthy stem from the parent plant that is at least 4-6 inches long and has several leaves on it. Choose a stem that is free from disease or damage and is growing vigorously.

  2. Prepare the cutting: Use a clean, sharp knife or scissors to cut the stem just below a node, which is where the leaf attaches to the stem. The cutting should be at least 4-6 inches long, and it should have at least one or two leaves attached to the top of the stem. Remove the leaves from the bottom one-third to one-half of the stem.

  3. Prepare the perlite: Fill a small container, such as a plastic cup or pot, with perlite. Perlite is a lightweight, porous material that provides good aeration and drainage for the cutting. Moisten the perlite with water, but do not saturate it.

  4. Plant the cutting: Make a small hole in the center of the perlite using a pencil or your finger. Insert the bottom of the cutting into the hole, making sure that at least one node is covered by the perlite. Gently press the perlite around the stem to hold it in place.

  5. Provide the right environment: Place the container in a bright, warm location, but out of direct sunlight. Cover the cutting and container with a plastic bag or clear plastic wrap to create a humid environment. This will help the cutting to establish itself and promote root growth.

  6. Wait for roots to grow: Roots should begin to grow in 2-4 weeks. You may notice small bumps or nodules appearing on the stem, which are the beginning of root growth.

  7. Transplant the cutting: Once the roots are at least an inch long, you can transplant the cutting into soil. Choose a small pot with well-draining soil, and make a small hole in the center. Gently remove the cutting from the perlite, being careful not to damage the delicate roots. Place the cutting into the soil and gently press the soil around the stem.

  8. Care for the new plant: Water the new plant thoroughly, and place it in a bright, warm location, but out of direct sunlight. Keep the soil evenly moist, but not waterlogged. With proper care, your new plant should grow and thrive!

Propagating a houseplant cutting in perlite is a great way to create new plants and expand your collection. This method can be particularly effective for plants that prefer well-draining soil, such as succulents and cacti. With a little patience and care, you can enjoy the satisfaction of watching your cutting grow and develop into a healthy, thriving plant.

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