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When to Apply Compost to Potted Plants or Containers

Definition: Compost is a nutrient-rich organic material that is added to soil to improve its fertility and overall health. It is made from decomposed organic matter, such as kitchen scraps, yard waste, and manure.

When it comes to potted plants or containers, applying compost at the right time is crucial for their growth and well-being. Here are some guidelines to consider:

1. When planting new potted plants:

Before planting a new potted plant, it is recommended to mix compost with the potting soil. This helps provide a nutrient boost to the plant right from the start. Aim for a ratio of one part compost to three parts potting soil.

2. During the growing season:

Compost can be applied as a top dressing during the growing season to replenish nutrients that the plants have used up. Gently loosen the top layer of soil around the plant, being careful not to disturb the roots, and sprinkle a thin layer of compost over the soil surface. Lightly water the compost to help it settle into the soil.

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3. When repotting or refreshing container plants:

When repotting or refreshing container plants, it is beneficial to replace some of the old potting soil with fresh compost. Remove the plant from its container, gently shake off excess soil from the roots, and add a layer of fresh compost at the bottom of the new container. Place the plant on top of the compost and fill in the remaining space with a mixture of compost and potting soil.

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4. Before winter dormancy:

Applying compost to potted plants before they enter their winter dormancy period can help provide them with essential nutrients during this resting phase. Apply a layer of compost around the base of the plant, avoiding direct contact with the stem or foliage. This will help protect the plant’s roots and provide a nutrient reserve for the following growing season.

Remember, compost is a valuable resource for potted plants and containers, but it should be used in moderation. Over-application of compost can lead to excessive nutrient levels and potential harm to the plants. Always follow the recommended guidelines and adjust the amount of compost based on the specific needs of your plants.

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