Updated: July 1, 2023

Lithops, also known as living stones, are fascinating succulent plants that are native to South Africa. These unique plants have adapted to survive in harsh desert conditions by storing water in their leaves. To ensure the health and vigor of your lithops plant, it is important to provide them with proper care, including regular fertilization. In this guide, we will discuss the importance of fertilizing lithops and provide tips on how to do it effectively.

Why Fertilize Lithops?

Fertilizing lithops is essential for maintaining their overall health and promoting optimal growth. While these plants can survive in nutrient-poor soils, providing them with additional nutrients can significantly enhance their vitality. Fertilization helps lithops develop strong roots, produce vibrant flowers, and increase their resistance to diseases and pests.

When to Fertilize Lithops?

Lithops plants are dormant during the summer months and actively grow in spring and autumn. It is best to fertilize them during their active growth periods to support their nutritional needs. Avoid fertilizing lithops in winter when they are dormant, as this can lead to nutrient imbalances and potentially harm the plant.

A good rule of thumb is to start fertilizing lithops in early spring, just as they begin their growth phase. Continue fertilizing until late autumn when they start preparing for dormancy. Remember to always follow the instructions on the fertilizer packaging for specific guidelines on frequency and dosage.

Choosing the Right Fertilizer

When selecting a fertilizer for your lithops plant, it is important to choose a product specially formulated for succulents or cacti. These fertilizers are designed to provide the necessary nutrients while taking into account the unique needs of desert plants like lithops.

Look for a balanced fertilizer with an NPK ratio (nitrogen, phosphorus, potassium) of around 10-10-10 or similar. This balanced ratio ensures that your lithops receive a well-rounded supply of essential nutrients without overstimulating growth.

How to Fertilize Lithops?

Fertilizing lithops requires a careful and gentle approach due to their unique growth habits. Here are some tips to ensure you fertilize your lithops effectively:

  1. Dilute the fertilizer: Succulents, including lithops, are sensitive to high concentrations of fertilizer. It is important to dilute the fertilizer according to the instructions on the packaging. Generally, a quarter or half-strength solution is sufficient for lithops.

  2. Water before fertilizing: Before applying fertilizer, thoroughly water the soil around your lithops plant. This helps prevent root burn and ensures that the fertilizer is evenly distributed.

  3. Apply fertilizer sparingly: Use a small watering can with a fine nozzle or a spray bottle to apply the diluted fertilizer. Start by applying a small amount near the base of the plant, avoiding direct contact with the leaves or stem. Gradually increase the amount of fertilizer as the plant grows, but always follow the recommended dosage.

  4. Avoid foliar feeding: Unlike some plants, lithops do not absorb nutrients through their leaves efficiently. It is best to focus on fertilizing the soil rather than applying fertilizer directly to the foliage.

  5. Rinse after fertilizing: After applying fertilizer, rinse any excess off the leaves and stems with plain water. This helps prevent salt build-up and potential damage to the plant.

Additional Tips for Fertilizing Lithops

Here are some additional tips to keep in mind when fertilizing your lithops:

  • Monitor soil moisture: Lithops prefer slightly dry conditions, so make sure the soil has dried out before fertilizing. Never fertilize a plant with wet soil, as it can lead to root rot.

  • Adjust fertilization frequency: As lithops plants are slow-growing, they do not require frequent fertilization. Depending on the fertilizer you use, a monthly or bi-monthly schedule should suffice during their active growth periods.

  • Observe and adjust: Pay close attention to your lithops plant’s response to fertilization. If you notice signs of overfertilization, such as yellowing or wilting leaves, reduce the frequency or strength of fertilization. On the other hand, if your lithops appears pale or lacks vigor, you may need to increase the amount or frequency of fertilization.

  • Consider organic alternatives: If you prefer organic options, you can use compost or well-decomposed manure as a natural fertilizer for lithops. Just make sure to use them sparingly and avoid overloading the soil with nutrients.

In conclusion, proper fertilization is crucial for the health and vitality of your lithops plant. By following the guidelines outlined in this guide and paying close attention to your plant’s specific needs, you can ensure that your lithops thrives and continues to delight with its unique beauty for years to come. Happy fertilizing!