When To Fertilize Fig Trees | Full Guide and What To Use

Properly caring for fig trees is essential for their flourishing and yielding a plentiful harvest, just like any other fruit tree. One significant factor in fig tree maintenance involves fertilization, as it supplies vital nutrients for growth, fruit production, and overall well-being.

Those new to growing figs are often confused about when fertilizer should be given and what type is best, so if this describes you, rest assured that you’re not alone.

Apply a complete, balanced fertilizer in the early spring before active growth begins. If using a quick-release food, reapply several times throughout the growing season, stopping by August. For established trees in quality soil, one application of a slow-release fertilizer may be sufficient.

Let’s explore all the factors involved in providing nutrients for your fig trees to thrive.

Key Takeaways:

  • Fertilizing fig trees is important for maintaining their health and maximizing fruit production.
  • The ideal time to fertilize fig trees is in the spring, after the last frost and before the growing season begins.
  • Slow-release fertilizers with a balanced NPK ratio and micronutrients are recommended.
  • Organic fertilizers, cover crops, mulch, and compost can be used to add nutrients to soil naturally.
  • Signs of nutrient deficiency in fig trees include yellowing leaves, stunted growth, and reduced fruit production.
  • Avoid over-fertilization and fertilizing late in the season.

Your fig tree’s success starts with proper care techniques. Uncover the fundamentals and gain expert advice in my comprehensive article Fig Tree Care and Maintenance.

Fertilizing Fig Trees

Fig trees require a steady supply of nutrients to grow healthy and produce a bountiful harvest. However, the timing and type of fertilizer used can greatly impact the success of your fig tree.

The Importance of Fertilizer

Fig trees require a balanced supply of nutrients, including nitrogen, phosphorus, potassium, and micronutrients, to support their growth and development.

As time passes, the tree uses up nutrients in the soil, and unless these critical resources are replenished routinely, nutrient deficiencies can develop, affecting tree health, vigor, and production.

Fig Tree Nutrient Requirements

Nitrogen is essential for the growth and development of the foliage and branches of fig trees. It helps promote the growth of new leaves, which are necessary for photosynthesis and energy production.

Phosphorous is crucial for root development and the production of fruit. It plays a vital role in the plant’s ability to take up and transport nutrients.

Potassium is necessary for overall plant health and fruit quality. It helps to regulate water uptake and maintain proper pH levels in the soil. Additionally, it contributes to the plant’s resistance to disease and stress.

Micronutrients, such as iron, magnesium, and calcium, are also essential for fig tree health. They play a vital role in enzyme activity and photosynthesis, promoting healthy foliage, fruit development, and overall plant growth.

Correct Time To Fertilize Fig Trees

The best time to fertilize fig trees is in the early spring, right before new growth appears. This timing is ideal because it allows the tree to access the nutrients it needs as soon as it emerges from dormancy and grows again, promoting healthy foliage and fruit development.

Fertilizing in the early spring also helps to avoid stimulating late-season growth, which can be vulnerable to frost damage.

By fertilizing before new growth appears, the tree has time to absorb and utilize the nutrients before the weather warms up and new growth begins in earnest.

Be sure to water the tree after fertilization to ensure that the nutrients are distributed evenly throughout the soil and absorbed by the roots.

Over-fertilization can harm fig trees, so it’s best to use a slow-release fertilizer or apply a smaller amount of fertilizer more frequently rather than a large amount all at once.

How Often To Fertilize Fig Trees

The frequency of fertilization for fig trees depends on the type of fertilizer used and the specific nutrient needs of the tree.

In general, it’s best to fertilize fig trees once or twice a year, with the timing and amount of fertilizer based on the specific soil and tree needs.

If using a slow-release fertilizer, a single application in the early spring may be sufficient.

If using a fast-release fertilizer, it may be necessary to apply smaller amounts more frequently throughout the growing season to avoid over-fertilization.

Monitor the tree’s growth and health to determine if additional fertilization is necessary.

If the tree appears to be growing slowly or has yellowing leaves, it may indicate a nutrient deficiency and additional fertilizer may be required.

I recommend having your soil analyzed every few years so you can be certain of which nutrients are needed and which are not.

Organic vs. Chemical Fertilizer

Organic fertilizers are made from natural materials, such as animal manure, bone meal, and compost. These fertilizers contain a variety of nutrients, including nitrogen, phosphorus, and potassium, as well as micronutrients.

Organic fertilizers, both purchased and homemade, are generally slow-release types, meaning that the nutrients are released over time as the material decomposes. They improve soil quality by increasing organic matter and promoting beneficial microorganisms.

Organic fertilizers are generally considered to be more environmentally friendly and sustainable as they are made from natural materials.

However, they may not provide the same immediate and precise nutrient availability as chemical fertilizers.

Chemical fertilizers are made from synthetic materials that are formulated to provide specific nutrients to plants. They are typically fast-release, meaning that the nutrients are immediately available to the plant.

Chemical fertilizers are often more concentrated than organic fertilizers and can provide a more precise amount of nutrients to the plant.

While less sustainable and potentially harmful to the environment, chemical fertilizers can be more affordable and provide quick and precise nutrient availability.

However, overuse of chemical fertilizers can lead to nutrient imbalances and harm the soil and surrounding environment.

Best Fertilizer for Fig Trees

In general, a balanced fertilizer with an NPK ratio of 8-8-8 or 10-10-10 is a good choice for fig trees. This type of fertilizer contains equal parts of nitrogen, phosphorus, and potassium, which are essential macronutrients for plant growth.

Micronutrients, such as calcium, magnesium, and iron, are also important but are required in smaller amounts. These micronutrients can be included in the fertilizer or applied separately as needed.

Espoma Organic Tree-Tone

Espoma Organic Tree-Tone 6-3-2 | Organic Fruit Tree Fertilizer

Check Latest Price
We earn a commission if you make a purchase, at no additional cost to you.

This fertilizer made specifically for fruit and shade trees has an NPK of 6-3-2 and contains micronutrients as well as a variety of beneficial bacteria.

The product breaks down slowly, allowing for the slow release of nutrients to prevent burning. This is my go-to fertilizer for all my fruit trees and never disappoints.

Jobe’s Organics Fruit & Citrus

Jobe’s Organics Fruit & Citrus Plant Food, 4lbs

Check Latest Price
We earn a commission if you make a purchase, at no additional cost to you.

With an NPK of 3-5-5, micronutrients, and a blend of beneficial microorganisms, mycorrhizal fungi, and healthy bacteria, your fig tree’s soil and roots will be vastly improved over time, leading to stronger growth, better production, and a healthier tree.

Ripe and unripe figs growing on the same branch.

Homemade Fertilizer for Fig Trees

Homemade fertilizer can be a great option for those looking to provide nutrients to their fig trees in a more sustainable and cost-effective way.

Here are some key ingredients and optional additions to consider when making homemade fertilizer for fig trees:

Key ingredients:

  • Compost: A rich source of organic matter and nutrients to improve soil quality and provide nutrients.
  • Bone meal: A good source of phosphorus, which is important for root development and fruit production.
  • Wood ash: A good source of potassium, which helps to strengthen the tree and promote overall plant health.

Optional additions:

  • Epsom salt: A good source of magnesium, which is important for photosynthesis and overall plant health.
  • Fish emulsion: A good source of nitrogen and other micronutrients.
  • Seaweed extract: High in micronutrients and can help to improve soil quality and promote plant growth.

To make homemade fertilizer for fig trees, mix together the key ingredients in a ratio of 2:1:1 (compost: bone meal: wood ash).

You can also add any optional additions that you choose, adjusting the amounts based on the specific nutrient needs of your tree and soil conditions.

Mix the ingredients thoroughly, and apply to the soil around the base of the tree, being careful not to apply too close to the trunk.

Nutrient Deficiency in Fig Trees

Nutrient deficiencies in fig trees can be caused by a variety of factors, including poor soil quality, improper fertilization, and environmental stress.

Nutrient deficiency in fig trees can cause a variety of signs and symptoms, including yellowing or browning of leaves, stunted growth, and decreased fruit production. The specific signs and symptoms depend on which nutrient is deficient.

  • Nitrogen: Causes yellowing and stunted growth of leaves.
  • Phosphorus: Causes purpling or reddening of leaves and reduced fruit production.
  • Potassium: Causes yellowing and curling of leaves, as well as decreased fruit production.
  • Magnesium: Causes yellowing between the veins of older leaves.
  • Iron: Causes yellowing of younger leaves and slowed growth.

If left untreated, nutrient deficiencies can have negative effects on the health and productivity of fig trees, including decreased fruit production and increased susceptibility to pests and diseases.

How To Add Nutrients To Soil Naturally

There are many simple ways to increase your soil’s nutrients naturally. Try composting organic materials such as food scraps, yard waste, and manure to create a nutrient-rich soil amendment to improve soil quality and fertility.

Planting cover crops such as clover or legumes adds nitrogen to the soil by fixing atmospheric nitrogen and converting it into a form that can be used by plants.

Use organic mulch, such as leaves, straw, or wood chips. They will improve soil fertility by slowly releasing nutrients as they decompose.

Applying well-aged animal manure to the soil can provide a source of nutrients and organic matter that can improve soil fertility.

Don’t forget about organic fertilizers such as bone meal, blood meal, or fish emulsion. Any or all of these will improve soil over time.

Related Questions:

Should Fig Trees Be Fertilized in the Fall?

In general, fertilizing fig trees in the fall is not recommended because it can promote new growth that may not have enough time to harden off before winter temperatures arrive.

It’s best to fertilize fig trees in the early spring when they are coming out of dormancy and actively growing.

What Is the Best Fertilizer for Potted Fig Trees?

The best fertilizer for potted fig trees is a slow-release balanced blend, such as a 10-10-10 or 14-14-14 that also includes micronutrients such as iron, magnesium, and zinc.

Organic fertilizers such as compost or fish emulsion can also be effective for potted fig trees but may require more frequent application.

Closing Thoughts

Whether using organic or chemical fertilizers, choosing a balanced blend that provides the necessary nutrients, including nitrogen, phosphorus, potassium, and micronutrients is important.

Homemade fertilizers can be effective but can’t provide the same precise nutrient availability as commercial fertilizers.

An early spring application is ideal, but repeated treatments may be needed throughout fruit formation depending on your specific situation.

By following best practices for fertilization, fig tree growers can ensure that their trees receive the necessary nutrients for healthy growth and abundant fruit production.

Fertilizing is just one aspect of fig tree care. Don’t miss out on these articles to learn more: