Growing St. John’s Wort from Division: Dos and Don’ts

Growing St. John’s Wort from Division: Dos and Don’ts

Are you looking to expand your garden by propagating St. John’s Wort through division? In this comprehensive guide, we will walk you through the essential dos and don’ts of successfully growing this popular herb. Whether you are a seasoned gardener or a beginner, these tips will help you achieve a thriving St. John’s Wort garden in no time.

Preparing for Division

When it comes to growing St. John’s Wort through division, it’s important to start by preparing the plant for the process. Begin by ensuring that the plant is well-watered in the days leading up to division. This will help the roots stay hydrated and make the division process easier.

You’ll also want to gather all the necessary tools, such as a sharp knife or shovel, gloves, and a container for the divided plants. Make sure all tools are clean and sharp to minimize damage to the plant.

Selecting the Right Time

The best time to divide St. John’s Wort is in the early spring or fall when the plant is not actively blooming. This will give the divided plant time to establish itself before the stress of blooming sets in. Avoid dividing the plant during the hot summer months, as this can put extra stress on the plant and reduce its chances of survival.

Choosing the Right Location

When selecting a location to divide and replant St. John’s Wort, look for a spot with well-draining soil and partial to full sunlight. Avoid areas with standing water or heavy shade, as this can lead to root rot and poor growth. Make sure to space the divided plants at least a foot apart to allow for proper air circulation and prevent overcrowding. By following these dos and don’ts for growing St. John’s Wort through division, you can ensure a successful and thriving plant in your garden.

Division Process

When it comes to growing St. John’s Wort from division, it’s important to follow the right process to ensure successful growth. Division is a method of propagation where the plant is divided into smaller sections, each with its own roots. This can help rejuvenate older plants and create new plants for your garden. Here are the dos and don’ts of dividing St. John’s Wort.

Tools Needed

Before you begin the division process, make sure you have the following tools on hand:

  • Sharp garden shears or a knife
  • Pruning scissors
  • Potting soil
  • Plant pots or containers

Step-by-Step Guide

  1. Choose a healthy St. John’s Wort plant that is at least a year old and has multiple stems.
  2. Carefully dig up the plant, making sure to disturb the roots as little as possible.
  3. Use sharp garden shears or a knife to divide the plant into smaller sections, making sure each section has roots attached.
  4. Trim any damaged or dead roots and foliage from each section using pruning scissors.
  5. Fill plant pots or containers with potting soil and plant each section at the same depth it was previously growing.
  6. Water the newly divided plants thoroughly and place them in a sunny location.
  7. Keep the soil consistently moist but not waterlogged, and monitor the plants for any signs of stress or disease.

By following these dos and don’ts of growing St. John’s Wort from division, you can successfully propagate this beautiful plant in your garden.

Caring for Divided St. John’s Wort

When it comes to caring for divided St. John’s Wort plants, there are a few key factors to keep in mind to ensure they thrive in your garden.


St. John’s Wort plants prefer well-drained soil, so it’s important not to overwater them. Allow the soil to dry out slightly between waterings to prevent root rot. During hot, dry periods, make sure to water consistently to keep the soil evenly moist.


St. John’s Wort plants are not heavy feeders, so avoid over-fertilizing them. A balanced, slow-release fertilizer applied in the spring should be sufficient to provide the nutrients they need to grow and bloom. Be sure to follow the instructions on the fertilizer package to avoid damaging the plants.


Regular pruning is essential to keep St. John’s Wort plants looking their best. Prune them in the early spring to remove any dead or damaged branches and encourage new growth. You can also deadhead spent flowers throughout the growing season to promote continuous blooming.

By following these dos and don’ts for caring for divided St. John’s Wort plants, you can enjoy a healthy and vibrant garden filled with these beautiful flowers.

In conclusion, growing St. John’s Wort from division can be a rewarding experience for gardeners looking to expand their herbal garden. By following the dos and don’ts outlined in this article, you can ensure that your St. John’s Wort plants thrive and continue to provide you with their medicinal benefits for years to come. Remember to be patient and attentive to the needs of your plants, and you will be rewarded with beautiful, healthy St. John’s Wort plants in your garden.