Fertilizing Succulents: Unveiling the Secrets to Plant Food

Succulents are known for their low-maintenance nature and resilience, but do they actually need plant food? Watering is undoubtedly essential, but the topic of fertilizing can be quite confusing. In this comprehensive guide, we will debunk myths, provide valuable insights, and recommend the best fertilizers for your beloved succulents.

Demystifying Fertilization Myths

Let’s begin by dispelling some misconceptions surrounding fertilizing succulents. It is often said that succulents don’t require fertilizing at all. While there is some truth to this, it’s not that simple. Succulents do need less fertilizer than other plants, especially when planted outdoors in good-quality soil. However, when grown in containers, nutrients can deplete over time, necessitating replenishment in limited amounts.

Another myth is that succulents indoors require the same amount of nutrients as other houseplants. In reality, most succulents are accustomed to growing in nutrient-poor soil and can be damaged by excessive fertilizer. It’s best to provide them with half-strength doses at regular intervals to ensure optimal growth. Additionally, feeding a struggling succulent won’t magically fix its problems; fertilizer is not a cure-all.

The Significance of Fertilizer

Fertilizing is a crucial aspect of plant care, alongside watering and maintenance. Just like humans, plants require specific nutrients to thrive. These nutrients, categorized as macronutrients (NPK), secondary nutrients, and micronutrients, are essential for their growth and overall health.

Macronutrients, namely nitrogen, phosphorus, and potassium (NPK), are crucial for plant development and can be found in most fertilizers. Secondary nutrients such as calcium play a less prominent role, while micronutrients like iron are vital in small quantities.

Maintaining the right balance of these nutrients is paramount for your succulents to reach their full potential. Since container-grown plants have limited access to soil nutrients, fertilizer becomes even more important in providing the optimal amount of nutrients.

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The Fertilization Dilemma: Do All Succulents Need It?

The question of whether all succulents require fertilizer is not a simple yes or no. Succulents have diverse needs based on the nutrients present in their soil and their planting location.

Outdoor succulents planted in nutrient-rich soil typically don’t require extra feeding. As long as the soil is healthy and active, they can thrive without additional fertilization. However, succulents in containers have limited access to nutrients, and unless you frequently repot them, they will eventually lack the necessary nourishment.

While there is no definitive answer to this question, a little extra boost of the right fertilizer is better than none at all, as long as you are cautious about the risks of overfertilization.

Indoors vs. Outdoors: Fertilizing Succulents

Many people enjoy cultivating indoor succulent gardens, but is there a difference between fertilizing succulents indoors and outdoors? The answer depends on the specific plants you have.

Generally, succulents grown outdoors tend to grow faster and stronger, often requiring more frequent fertilization. On the other hand, I recommend fertilizing indoor succulents only once a year. However, outdoor container-grown succulents can benefit from an extra fertilizing session or two during the warmer seasons. Assess your plants’ performance and soil health to determine the best approach.

Choosing the Right Fertilizer

When it comes to selecting plant food for your succulents, the options can be overwhelming. Organic or synthetic? Compound or slow-release? Let’s explore some essential terms to help you make an informed decision.

Organic fertilizers, derived from plants or animals, slowly release nutrients into the soil as they break down. Seaweed-based fertilizers and ‘weed teas’ are common examples. Synthetic fertilizers, on the other hand, contain a specific ratio of nutrients and provide quicker results but lack the soil improvement benefits of organic fertilizers.

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Both organic and synthetic fertilizers come in various forms, such as liquids, granules, or pellets. Slow-release fertilizers gradually release nutrients over time, ensuring a steady supply.

The Ideal Fertilizer for Succulents

The great news is that succulents are not too demanding when it comes to fertilizer. Most succulents are content with a balanced fertilizer applied in any form, as long as you follow the instructions provided. To avoid overfertilization, it’s best to steer clear of slow-release fertilizers, as they can burn the roots if applied excessively and are challenging to remove from the soil.

Starting with a half-strength dose of fertilizer is generally recommended for most succulents. These plants prefer less fertility, so excess nitrogen should be avoided as it can lead to elongated growth. Look for a fertilizer with equal NPK values, or slightly higher phosphorus content, as it promotes better succulent growth.

While there are specially formulated products for succulents and cacti, you can also take a trial-and-error approach with other fertilizers. Just ensure you never exceed the plants’ needs.

Frequency of Fertilization

Succulents don’t require frequent feeding to thrive. As a general rule, one annual feeding is usually sufficient for most succulents, although this may vary depending on the plant and container size. Avoid fertilizing immediately after repotting, as the new soil typically contains enough nutrients. Applying fertilizer too soon after a soil change can cause stress to the roots.

If you opt for a low concentration fertilizer, you can consider applying it more frequently. Monitor your plants closely and be cautious of signs of overfertilization. For instance, I like to give my aloe veras an additional boost in summer before they flower in fall. Remember, less is often more when it comes to fertilizing succulents.

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Timing is Everything

Timing plays a vital role in succulent fertilization. If you fertilize annually, early to mid-spring is the best time. By encouraging growth when temperatures are warmer, you help safeguard vulnerable new growth from cold damage in fall and winter.

For extra doses of fertilizer, target around two to three months after the initial application, typically around mid-summer. Be cautious not to feed too close to anticipated temperature drops, especially if your succulents are exposed to cold weather outdoors.

Proper Application Techniques

The appropriate method of applying fertilizer depends on the product you choose. Most packaging includes detailed instructions, which should be followed diligently to avoid overfertilization or wastage of nutrients.

Always time your feeding with watering. As nutrients are drawn up by the roots through water, ensure the soil is moist before applying plant food. This helps evenly distribute the fertilizer, minimizing the risk of root burns.

Avoid applying fertilizer directly to the leaves of your succulents, as this can cause burning depending on the product used. Instead, focus the liquid or granules on the soil around the plant, keeping them away from the stem. Remember, the aim is to provide nutrients to the soil, not the plant itself.

In cases where the container is tightly packed, making direct soil application challenging, consider diluting the fertilizer in a container and allowing the soil to draw up moisture from the bottom.


Fertilizing succulents is vital for their overall health and growth. While they require fewer nutrients compared to other plants, a balanced fertilizer applied in the right quantity can work wonders. Proper timing, appropriate application techniques, and selecting the right product will ensure your succulents flourish, bringing joy and beauty to your home or garden.

For more information and high-quality succulent products, visit the Ames Farm Center, your go-to resource for all things succulent-related.