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14 Best Grape Fertilizers: Top Organic Grape Vine Fertilizers Along With Price

Grape cultivation demands precision and the right nourishment for a bountiful harvest. In this blog post, we’ll dive into the world of grape fertilizers, focusing on organic options that ensure both the health of your vines and the quality of your grapes. Grapes are sensitive plants, and choosing the correct fertilizer is crucial.

Best Grape Fertilizers

We’ve meticulously researched and compiled a list of the top 12 organic grapevine fertilizers that will propel your grape-growing endeavors to new heights. We understand that cost is a factor, so we’ll highlight each fertilizer’s effectiveness and provide pricing details. Get ready to elevate your grape-growing game with these scientifically backed, organic fertilizers.

Understanding the Nutritional Needs of Grapevines

When nurturing healthy grapevines, grasping their nutritional requirements is the first step toward success. These vines demand a carefully balanced diet of three primary nutrients: nitrogen (N), phosphorus (P), and potassium (K).

  • Nitrogen (N) is the growth engine. It fuels lush foliage and overall plant vitality. Robust vines start with adequate nitrogen levels.
  • Phosphorus (P) is the architect of strong roots and fruitful outcomes. It encourages root system development and contributes to the ripening of those prized grapes.
  • Potassium (K) is the bodyguard. It fortifies stems and empowers the plant to ward off diseases, ensuring a robust, healthy vineyard.

But it doesn’t stop there. Grapevines also crave micronutrients like calcium (Ca) and magnesium (Mg). Though required in smaller quantities, these elements play an outsized role in maintaining the structural integrity of leaf tissues and elevating berry quality.

Different Types of Fertilizers for Grape Vines

  1. Organic Fertilizer: Derived from natural sources like manure and composted plant material, organic fertilizers enrich the soil structure and provide lasting benefits.
  2. Inorganic or Synthetic Fertilizers: These chemically formulated fertilizers offer tailored NPK ratios and essential micronutrients, meeting specific vine nutrient requirements.
  3. Slow-release Fertilizer: Combining organic and synthetic components, these fertilizers release nutrients gradually, ensuring a steady supply throughout the growing season.
  4. Liquid Feeding: Quick-absorbing liquid fertilizers deliver nutrients directly to the roots but require frequent applications.

Best Fertilizers for Grape Vines

The best fertilizer for grape vines should contain nitrogen, phosphorus, and potassium (NPK), considering factors like soil pH and grape variety. A 10-10-10 NPK formula in early spring and a 5-10-5 NPK formula during flowering and fruiting stages are recommended. Fertilization frequency depends on soil quality and vine age. To choose the right fertilizer, choose a balanced NPK formula based on soil pH and testing to identify deficiencies or toxicities.

Compost is an excellent alternative to chemical-based fertilizers, providing slow-release nutrients and improving soil health. Compost enriched with bone meal and seaweed is particularly beneficial. Fertilizer should be stopped after harvest in the fall, as applying it during winter or late in the growing season can adversely affect vines and the environment.

In case you missed it: Optimizing Grapes Orchard Management: A Month-by-Month Maintenance Guide for High Yield and Profit

Green grapes in vineyard
  1. Jobe’s Organics Granular Fertilizer [4-4-4]: An organic choice with beneficial microbial strains, it promotes gradual nutrient uptake for vines.
  2. Dr. Earth Organic Fertilizer [7-3-1]: Packed with organic ingredients, this fertilizer stimulates soil microorganisms and provides essential plant food.
  3. Miracle-Gro Shake ‘n Feed Plant Food [10-5-15]: A synthetic and slow-release formula packed with micronutrients for three months of plant nourishment.
  4. Ringer All-Natural Lawn Restore II Fertilizer [10% N, 2% P, 6% Mg]: An organic, slow-release product with balanced nutrients and pH maintenance.
  5. Mega Green Organic-Based Lawn Food with Iron [30%-0%-6%]: A unique organic-based liquid fertilizer offering quick and controlled nutrient release throughout the growing season.

Tips for Applying Fertilizer to Grape Vines

  1. Soil Testing: Always begin with a soil test. Understanding your soil’s composition and pH level is crucial. It guides you in choosing the right fertilizer and prevents over-application.
  2. Timing: Apply fertilizers during the spring season when new growth emerges. This is the time when grapevines are most receptive to nutrients.
  3. Thorough Watering: After applying any fertilizer, water your vines thoroughly. This helps nutrients penetrate the root zone effectively.
  4. Granular Fertilizers: For granular fertilizers, spread them around the base of each vine at the drip line. This prevents runoff and ensures the nutrients reach the roots.
  5. Liquid Fertilizers: Liquid fertilizers should be poured directly onto the roots for quick absorption. However, they may require more frequent applications compared to granular options.

14 Best Grape Fertilizers

Espoma GT4 4-Pound Garden-Tone

  • Benefit: Espoma Garden-Tone is an organic, all-purpose fertilizer that enriches the soil and promotes robust grapevine growth. It contains beneficial microbes for improved soil health.
  • Composition: This fertilizer boasts a well-balanced NPK ratio, making it suitable for grapevines. The 4-pound bag provides ample coverage.
  • Time of Application: Apply in the spring or when new growth appears. It supports overall vine health and fruitful harvests.
  • Special Features: Garden-Tone enhances soil structure, contains 15 essential nutrients, and is safe for organic gardening.

Jobe’s Organics Fruit & Citrus Fertilizer

  • Benefit: Jobe’s Organics Fruit & Citrus Fertilizer is tailored for fruit-bearing plants like grapevines, delivering vital nutrients for optimal fruit development.
  • Composition: Its 3-5-5 NPK ratio is perfect for fruiting vines, and the easy-to-use spikes ensure gradual nutrient release.
  • Time of Application: Place spikes in the early spring for continuous feeding throughout the growing season.
  • Special Features: These spikes are mess-free and provide consistent nourishment to grapevines.

Dr. Earth Organic 5 Tomato, Vegetable & Herb Fertilizer

  • Benefit: Dr. Earth’s organic blend enriches the soil with beneficial microbes and essential nutrients, promoting vine health and bountiful grape production.
  • Composition: With an NPK ratio of 5-7-3, it’s suitable for grapevines and other fruiting plants.
  • Time of Application: Apply in the spring before bud break for robust growth and fruit development.
  • Special Features: This fertilizer is 100% organic, GMO-free, and contains Mycorrhizae for enhanced nutrient uptake.

Miracle-Gro Water Soluble All-Purpose Plant Food

  • Benefit: A versatile choice, this soluble plant food provides rapid nutrient absorption and encourages lush foliage and fruiting.
  • Composition: Its NPK ratio varies (e.g., 24-8-16), offering flexibility for different grapevine growth stages.
  • Time of Application: Use during the growing season for quick results.
  • Special Features: It dissolves easily in water and is suitable for various plants in your garden.

In case you missed it: High Yield Hybrid Grapes Varieties in India: State Wise Varieties Cultivated

Mineral fertilizers for grape

Fox Farm FX14092 Grow Big Liquid Concentrate Fertilizer

  • Benefit: This liquid concentrate fertilizer is excellent for grapevines during vegetative growth, promoting vigorous foliage development.
  • Composition: An NPK ratio of 6-4-4 provides the essential nutrients grapevines need for robust vegetative growth.
  • Time of Application: Apply during the vegetative growth period in the early spring and continue as needed.
  • Special Features: Fox Farm’s formula is rich in micronutrients and can be used as a foliar spray for quick nutrient uptake.

Jobe’s Organics 9026 Fertilizer Spike

  • Benefit: These organic fertilizer spikes are convenient and deliver a steady supply of nutrients to grapevines.
  • Composition: With a balanced NPK ratio, they provide essential nourishment for vine health.
  • Time of Application: Place spikes in the early spring for continuous feeding throughout the season.
  • Special Features: Jobe’s spikes are mess-free and ideal for container grapevines.

Down to Earth Organic Citrus Fertilizer Mix

  • Composition: It has a balanced NPK ratio, making it suitable for grapevines, and contains beneficial microbes.
  • Time of Application: Apply in early spring for optimal grapevine growth and fruit development.


  • Designed for acid-loving plants.
  • It can be combined with another nitrogen source.


It’s not a balanced fertilizer.

  • Benefit: Down to Earth Acid Mix Fertilizer is an excellent choice for grapevines, which thrive in acidic conditions. This granular formula helps lower soil pH and slowly releases essential nutrients, ensuring optimal vine health.
  • How to Use: Apply up to 1 cup per plant in early spring and consider a second dose during flowering.
  • Special Features: Down to Earth’s mix contains natural ingredients like kelp and fishbone meals for added nutrition.

Scotts Turf Builder Lawn Food

  • Benefit: Although designed for lawns, this fertilizer can benefit grapevines by improving soil quality and nutrient availability.
  • Composition: It has a varied NPK ratio, with a higher nitrogen content, to promote green growth.
  • Time of Application: Use in early spring to enhance soil quality and vine health.
  • Special Features: This fertilizer improves garden soil and can indirectly benefit grapevines.

Maxicrop Liquid Seaweed

  • Benefit: Maxicrop Liquid Seaweed is an organic option that enhances grapevine health and resilience.
  • Composition: Derived from seaweed, it contains essential micronutrients and growth-promoting hormones.
  • Time of Application: Apply throughout the growing season for improved nutrient uptake and stress resistance.
  • Special Features: Seaweed-based fertilizers are eco-friendly and stimulate beneficial soil microorganisms.

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Jobe’s Organics Bone Meal Fertilizer

  • Benefit: Jobe’s Organics Bone Meal Fertilizer is rich in phosphorus, promoting strong root development and grapevine fruit ripening.
  • Composition: It has a balanced NPK ratio with a significant focus on phosphorus.
  • Time of Application: Apply early spring to support root growth and fruit development.
  • Special Features: This organic fertilizer also contains beneficial microbes for soil health.

Dr. Earth 707P Organic 8 Bud & Bloom Fertilizer

  • Composition: An NPK ratio of 3-9-4 is ideal for grapevines during the flowering and fruiting stages.
  • Time of Application: Apply in late spring or when grapevines enter the budding and flowering phases.


  • Made with feed-quality ingredients.
  • It can be applied as a granule or made into “fertilizer tea.”
  • Safe to combine with other nutrient sources.


  • The scent may attract pets and wildlife.
  • Benefit: Dr. Earth Acid Lovers Fertilizer is an organic option enriched with TruBiotic microbes that enhance soil and plant health. It’s ideal for grapevines, whether in-ground or potted.
  • How to Use: Apply up to 2 cups of fertilizer around the plant’s base and gently rake into the soil.
  • Special Features: This fertilizer contains beneficial mycorrhizae and other organic ingredients for optimal grapevine performance.

Espoma CT4 4-Pound Citrus-tone


  • Unlikely to cause fertilizer burn.
  • Formulated with beneficial microbes.
  • Made with zero-waste manufacturing.


  • It may have a strong odor.
  • Benefit: While marketed for blueberries and raspberries, Espoma Berry-Tone has shown positive results for grapevines. Its near-balanced N-P-K ratio makes overfeeding unlikely and supports long-term soil health.
  • How to Use: Apply up to 2 cups of fertilizer per plant, spreading it around the grapevine’s base.
  • Composition: It has a tailored NPK ratio, with added magnesium, to prevent nutrient deficiencies.
  • Time of Application: Apply early spring to nourish grapevines and promote fruit development.
  • Special Features: Citrus-tone enriches soil with organic matter and micronutrients for overall vine health.

Jack’s Classic All Purpose 20-20-20 (Best Foliar Spray For Grapes)


  • Maintains a low soil pH.
  • A balanced mix of nutrients.
  • Used as a foliar spray.


  • Risk of overfeeding- high nitrogen content.
  • Benefit: Jack’s Classic All Purpose is versatile and effective. It can be used as fertilizer and a foliar spray, promoting grapevine foliage and fruit development. Its balanced NPK ratio ensures overall vine health.
  • How to Use: Mix one tablespoon per gallon of water and feed with up to ½ cup of fertilizer per plant.

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Freshly harvested grapes

Miracle-Gro Performance Organics Edibles 7-6-9


Created specifically for edible fruits and vegetables.


  • It may contain high potassium for some grapes.
  • Benefit: Miracle-Gro Performance Organics Edibles are suitable for grapevines and other edible plants. It is made from OMRI-certified organic ingredients and provides a balanced nutrient mix for healthy grape growth.
  • How to Use: Apply up to 1 cup of fertilizer per plant and water thoroughly.

Grape Fertilizer Price Comparison

Fertilizer NameN-P-K RatioTypePrice Range (Approx.)
Jobe’s Organics Granular Fertilizer[4-4-4]Organic$10 – $20
Dr. Earth Organic Fertilizer[7-3-1]Organic$15 – $25
Miracle-Gro Shake ‘n Feed Plant Food[10-5-15]Synthetic & Slow release$10 – $20
Ringer All-Natural Lawn Restore II Fertilizer[10% N , 2% P , 6%Mg]Organic$20 – $30
Mega Green Organic-Based Lawn Food with Iron[30%-0%-6% ]Slow Release & Liquid$15 – $25

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vineyard management


Selecting the right fertilizer for your grapevines is crucial for a bountiful harvest. Among the top choices are organic options like Jobe’s Organics and Down to Earth Acid Mix, while synthetic options like Miracle-Gro are also effective. Prices range from $10 to $30, ensuring options for various budgets.


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