Updated: July 20, 2023

Nepeta, commonly known as catmint or catnip, is a popular perennial herb that belongs to the mint family. It is loved by many gardeners for its fragrant foliage, beautiful flowers, and its ability to attract bees, butterflies, and cats. If you want to expand your Nepeta collection or share this delightful plant with friends and family, propagating Nepeta is a simple and rewarding process. In this article, we will guide you through the steps to propagate Nepeta plants the right way.

Choosing the Right Method of Propagation

Before we dive into the specific techniques, it is important to understand that there are several methods of propagating Nepeta plants, including seed propagation, division, and stem cuttings. Each method has its own advantages and requirements, so it is essential to choose the one that suits your preferences and circumstances.

Seed Propagation

If you have access to Nepeta seeds or want to try growing the plant from scratch, seed propagation is a viable option. However, it is worth noting that growing Nepeta from seeds can be a slower process compared to other methods. To propagate Nepeta from seeds, follow these steps:

  1. Start by collecting mature seeds from a healthy Nepeta plant. Wait until the flowers have dried and turned brown before harvesting the seeds.
  2. Prepare a seed tray or small pots with well-draining soil mix. Moisten the soil before sowing the seeds.
  3. Sow the seeds on the surface of the soil and gently press them in. Do not cover them with soil as they require light for germination.
  4. Place the tray or pots in a warm location with indirect sunlight.
  5. Keep the soil consistently moist but avoid overwatering.
  6. Germination can take anywhere from 1 to 3 weeks. Once the seedlings have developed their second set of true leaves, they can be transplanted into individual pots or directly into the garden.

Division

Division is a common method used to propagate Nepeta plants. It involves separating an existing plant into multiple sections, each with its own root system. Division is typically done in early spring or fall when the plant is dormant. Follow these steps to propagate Nepeta through division:

  1. Carefully dig up the entire Nepeta plant, trying not to disturb the roots excessively.
  2. Gently separate the plant into smaller clumps using your hands or a sharp knife. Ensure that each clump has a healthy root system and several shoots.
  3. Replant the divided clumps in prepared soil, spacing them adequately to allow for future growth.
  4. Water the newly divided plants thoroughly and continue to keep the soil moist until they establish themselves.

Stem Cuttings

Stem cuttings are another effective way to propagate Nepeta plants. This method allows you to create exact clones of the parent plant and produces quicker results compared to seed propagation. Here’s how you can propagate Nepeta through stem cuttings:

  1. Select a healthy stem from the parent plant that is free from any signs of disease or damage.
  2. Using a sharp and clean pair of pruning shears, make a clean cut just below a node, which is where the leaves attach to the stem.
  3. Remove any lower leaves from the cutting, leaving only a few sets of leaves at the top.
  4. Dip the base of the cutting in rooting hormone powder to promote root development.
  5. Fill a small pot with well-draining soil mix and create a hole using a pencil or your finger.
  6. Insert the cutting into the hole, ensuring that at least one node is buried in the soil.
  7. Place the pot in a warm location with bright, indirect light.
  8. Mist the cutting regularly to maintain humidity and keep the soil moist but not waterlogged.
  9. After a few weeks, gently tug on the cutting to check for root development. Once roots have formed, you can transplant the cutting into a larger pot or directly into the garden.

Caring for Newly Propagated Nepeta Plants

Regardless of the propagation method you choose, it is important to provide proper care and attention to your newly propagated Nepeta plants. Here are some essential care tips:

  • Water: Keep the soil consistently moist but avoid overwatering, as Nepeta plants are susceptible to root rot.
  • Light: Place the newly propagated plants in a location that receives bright, indirect light. Avoid direct sunlight, especially during the hottest parts of the day.
  • Fertilizer: Apply a balanced liquid fertilizer once every two weeks during the growing season to promote healthy growth and flowering.
  • Pruning: Regularly trim back the stems and remove spent flowers to encourage bushier growth and prolong flowering.
  • Winter Protection: In areas with harsh winters, provide winter protection by mulching around the base of the plant to insulate the roots.

By following these propagation techniques and caring for your newly propagated Nepeta plants, you can expand your garden or share this delightful herb with others. Remember to choose the method that suits you best and enjoy the process of growing and nurturing these beautiful plants. Happy propagating!