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20 Best Liquid Fertilizer For Sunflowers (2023 Updated)

Sunflowers are one of the most popular flowers in the world and are known for their bright yellow petals and large size. While they are easy to grow from seed, they can benefit from the use of liquid fertilizer during the growing season.

Liquid fertilizer is a great way to give sunflowers the nutrients they need to grow big and strong. There are a variety of different types of liquid fertilizer that can be used, but most contain a mix of nitrogen, phosphorus, and potassium.

These nutrients are essential for plant growth and will help sunflowers to reach their full potential.

When applying liquid fertilizer, it is important to follow the directions on the package. This will ensure that the sunflowers receive the correct amount of nutrients and that they are not over or under fertilized.

Liquid fertilizer can be applied directly to the soil around the sunflowers or can be diluted and applied with a watering can.

If you are looking for a way to give your sunflowers a boost, consider using liquid fertilizer. It is an easy and effective way to provide them with the nutrients they need to grow big and beautiful.

20 Best Liquid Fertilizer For Sunflowers

Product Image Product Name Features Price

Schultz All Purpose Liquid Plant Food – 4 oz dropper

  • Easy-to-use liquid plant food with micronutrients that encourages new growth for your indoor and outdoor
  • Can be used on all outdoor and indoor plants

Seedlingers Plant Fertelixir 32 oz

  • Aids in root generation and plant establishment
  • Can boost flower and fruit production
  • For either indoor or outdoor plants

Dyna Gro Bloom 1 Quart

  • 1 Quart

Bonide Liquid Plant Food 10-10-10 8 oz

  • Ideal for houseplants
  • Easy to use
  • Mix with water

FoxFarm Big Bloom Liquid Plant Food Concentrate – 16 fl oz bottle

  • Special; micro-brewed formula incorporates earthworm castings; bat guano and other high test organic ingredients
  • Big bloom will intensify flower fragrance; and it will increase essential oil production

Schultz Liquid Plant Food Plus (1011)

  • 10 15 10 Formula For all Indoor and Outdoor Plants. Encourages new growth.
  • Just 7 drops of water every time you water.
  • Famous 7 Drops formula Just 7 drops per quart of water feeds everything you grow.

Botanicare Liquid Karma

  • 1 Quart

Schultz 1.5lb Bloom Plus Water Soluble Plant Food

  • Helps grow and support big beautiful blooms
  • Feeds like nature by dissolving nutrients evenly every time it rains
  • Made up of a concentrated formula that contains vital micronutrients

Superthrive Liquid Organic All Purpose Plant Food 1 qt.

  • ORGANIC PLANT FOOD: OMRI-listed organic fish fertilizer promotes plant health from seedling through maturity
  • GENTLE & NON-BURNING SOLUTION: Gentle solution won’t burn plants and is great for the home gardener or botanist in your life

Scotts Super Bloom Water Soluble Plant Food, 2 lb – NPK 12-55-6 – Fertilizer for Outdoor Flowers, Fruiting Plants, Containers and Bed Areas – Feeds

  • Contains high phosphorus to help plants bloom
  • Feed every 1-2 weeks for best results
  • Water-soluble plant food feeds plants instantly

Dyna-Gro 719015 DYBLM100 Plant Food, 1 Gallon

  • Complete with all 16 essential elements
  • Promotes vibrant growth of all plants
  • Low in soluble salts

Miracle-Grow Liquid All Purpose Plant Food – 32 fl oz jug

  • Instantly gives plants the nutrients they need to flourish
  • Liquid concentrate easily mixes with water for convenience
  • Feed every 1-2 weeks

Schultz All Purpose Liquid Plant Food 32 oz

  • 32 oz

Espoma Organic Bloom Liquid Plant Food 16 oz.

  • Brand Name: Espoma
  • Sub Brand: Bloom
  • Organic: Yes

Pbi Gordon Triple 10 Liquid Fertilizer – 2.5 gal jug

  • Concentrated formulation.
  • Effective as a starter fertilizer.
  • 10-10-10 all-purpose fertilizer.

Liquid Fertilizer Complete Organic 50ml

  • All purpose. No need to keep different bottles on hand.
  • Vegan, made of plants, for plants.
  • For plants in water or in soil. Stimulate growth and strength for both.

Alaska 1 gal. Morbloom Fertilizer

  • 1 Gallon

FoxFarm – Big Bloom Liquid Concentrate 1 Gal

  • 1 Gallon
Schultz All Purpose Liquid Plant Food – 4 oz dropper
  • Easy-to-use liquid plant food with micronutrients that encourages new growth for your indoor and outdoor
  • Can be used on all outdoor and indoor plants
Seedlingers Plant Fertelixir 32 oz
  • Aids in root generation and plant establishment
  • Can boost flower and fruit production
  • For either indoor or outdoor plants
Dyna Gro Bloom 1 Quart
  • 1 Quart
Bonide Liquid Plant Food 10-10-10 8 oz
  • Ideal for houseplants
  • Easy to use
  • Mix with water
FoxFarm Big Bloom Liquid Plant Food Concentrate – 16 fl oz bottle
  • Special; micro-brewed formula incorporates earthworm castings; bat guano and other high test organic ingredients
  • Big bloom will intensify flower fragrance; and it will increase essential oil production
Schultz Liquid Plant Food Plus (1011)
  • 10 15 10 Formula For all Indoor and Outdoor Plants. Encourages new growth.
  • Just 7 drops of water every time you water.
  • Famous 7 Drops formula Just 7 drops per quart of water feeds everything you grow.
Botanicare Liquid Karma
  • 1 Quart
Schultz 1.5lb Bloom Plus Water Soluble Plant Food
  • Helps grow and support big beautiful blooms
  • Feeds like nature by dissolving nutrients evenly every time it rains
  • Made up of a concentrated formula that contains vital micronutrients
Superthrive Liquid Organic All Purpose Plant Food 1 qt.
  • ORGANIC PLANT FOOD: OMRI-listed organic fish fertilizer promotes plant health from seedling through maturity
  • GENTLE & NON-BURNING SOLUTION: Gentle solution won’t burn plants and is great for the home gardener or botanist in your life
Scotts Super Bloom Water Soluble Plant Food, 2 lb – NPK 12-55-6 – Fertilizer for Outdoor Flowers, Fruiting Plants, Containers and Bed Areas – Feeds
  • Contains high phosphorus to help plants bloom
  • Feed every 1-2 weeks for best results
  • Water-soluble plant food feeds plants instantly
Dyna-Gro 719015 DYBLM100 Plant Food, 1 Gallon
  • Complete with all 16 essential elements
  • Promotes vibrant growth of all plants
  • Low in soluble salts
Miracle-Grow Liquid All Purpose Plant Food – 32 fl oz jug
  • Instantly gives plants the nutrients they need to flourish
  • Liquid concentrate easily mixes with water for convenience
  • Feed every 1-2 weeks
Schultz All Purpose Liquid Plant Food 32 oz
  • 32 oz
Espoma Organic Bloom Liquid Plant Food 16 oz.
  • Brand Name: Espoma
  • Sub Brand: Bloom
  • Organic: Yes
Pbi Gordon Triple 10 Liquid Fertilizer – 2.5 gal jug
  • Concentrated formulation.
  • Effective as a starter fertilizer.
  • 10-10-10 all-purpose fertilizer.
Liquid Fertilizer Complete Organic 50ml
  • All purpose. No need to keep different bottles on hand.
  • Vegan, made of plants, for plants.
  • For plants in water or in soil. Stimulate growth and strength for both.
Alaska 1 gal. Morbloom Fertilizer
  • 1 Gallon
FoxFarm – Big Bloom Liquid Concentrate 1 Gal
  • 1 Gallon

1. Schultz All Purpose Liquid Plant Food – 4 oz dropper

Schultz All Purpose Liquid Plant Food - 4 oz dropper

  • Easy-to-use liquid plant food with micronutrients that encourages new growth for your indoor and outdoor
  • Can be used on all outdoor and indoor plants
  • Made in USA

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Product Details

Specifications

Details
Product Form Liquid
Organic No
Product Type Plant Food
Time Release Fast Release
Plant Type Indoor and Outdoor Plants
Concentrated Yes
Fertilizer Analysis (N-P-K) 10-15-10
Container Size 4 oz
Application Frequency Annually
Brand Name Schultz

2. Seedlingers Plant Fertelixir 32 oz

Seedlingers Plant Fertelixir 32 oz

  • Aids in root generation and plant establishment
  • Can boost flower and fruit production
  • For either indoor or outdoor plants

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Product Details

Specifications

Details
Applicator Included No
Safer For Kids Yes
Nitrogen (N) Content (Percentage) 3.0
Primary Usage All purpose plant food
Safer For Pets Yes

3. Dyna Gro Bloom 1 Quart

Dyna Gro Bloom 1 Quart

  • 1 Quart

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GrowGeneration

Product Details

Specifications

Details
Weight 3 oz

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gsxs11
alanshark
tornado102

4. Bonide Liquid Plant Food 10-10-10 8 oz

Bonide Liquid Plant Food 10-10-10 8 oz

  • Ideal for houseplants
  • Easy to use
  • Mix with water

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Details
Weight 1 lb

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sss
BRUNO33781

5. FoxFarm Tiger Bloom Liquid Fertilizer 1 Pint

FoxFarm Tiger Bloom Liquid Fertilizer 1 Pint

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Premier Hydro
Global Industrial

Product Details

Specifications

Details
Fertilizer Analysis 02-08-04
Organic Yes
Container Size 1 pt.
Product Type Fertilizer
Brand Name FoxFarm

6. AgroThrive 2.5 gal. General Purpose Organic Liquid Fertilizer

AgroThrive 2.5 gal. General Purpose Organic Liquid Fertilizer

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Product Details

Specifications

Details
Brand Name AgroThrive
Fertilizer Analysis (N-P-K) 3-3-2
Moisture Retention Yes
OMRI Certified Yes
Fertilizer Enriched Yes
Longevity 104 week
Product Type General Purpose Fertilizer
Product Form Liquid
Plant Name Everything that Grows
Container Size 2.5 gal
Plant Type All-Purpose
Product Form Liquid Concentrate
Organic Yes

7. FoxFarm Big Bloom Liquid Plant Food Concentrate – 16 fl oz bottle

FoxFarm Big Bloom Liquid Plant Food Concentrate - 16 fl oz bottle

  • Special; micro-brewed formula incorporates earthworm castings; bat guano and other high test organic ingredients
  • Big bloom will intensify flower fragrance; and it will increase essential oil production
  • Big bloom is ideal for all flowering and fruiting plants

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Premier Hydro

Product Details

Specifications

Details
Organic Yes
Container Size 1 pt.
Product Type Liquid Plant Food Concentrate
Fertilizer Analysis 0.01-0.3-0.7
Brand Name FoxFarm

8. Schultz Liquid Plant Food Plus (1011)

Schultz Liquid Plant Food Plus (1011)

  • 10 15 10 Formula For all Indoor and Outdoor Plants. Encourages new growth.
  • Just 7 drops of water every time you water.
  • Famous 7 Drops formula Just 7 drops per quart of water feeds everything you grow.
  • All purpose formula that feeds all indoor and outdoor plants.
  • Excellent for transplanting, repotting and rooting.

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Amazon.com – Seller

Product Details

Specifications

Details
Product Dimensions 4.8 x 2.9 x 1.9 inches
Is Discontinued By Manufacturer No

Reviews From Real Customers

firstresort
AnDianne

9. Botanicare Liquid Karma

Botanicare Liquid Karma

  • 1 Quart

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BetterGrow Hydro

Product Details

Specifications

Details
Weight 2.74 oz

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ejr1960-5
drewcifer66674_7

10. Schultz 1.5lb Bloom Plus Water Soluble Plant Food

Schultz 1.5lb Bloom Plus Water Soluble Plant Food

  • Helps grow and support big beautiful blooms
  • Feeds like nature by dissolving nutrients evenly every time it rains
  • Made up of a concentrated formula that contains vital micronutrients

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Walmart
McGuckin Hardware
Frankfort Hardware

Product Details

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BRUCE
CURT B.
weaselfatdaychief

11. Superthrive Liquid Organic All Purpose Plant Food 1 qt.

Superthrive Liquid Organic All Purpose Plant Food 1 qt.

  • ORGANIC PLANT FOOD: OMRI-listed organic fish fertilizer promotes plant health from seedling through maturity
  • GENTLE & NON-BURNING SOLUTION: Gentle solution won’t burn plants and is great for the home gardener or botanist in your life
  • VIVD BLOOMS & FRUITS: Supports faster growth, more vivid colors, and higher produce yields
  • FOR INDOOR & OUTDOOR GREENERY: Balances chemicals in soil and restores vigor to indoor and outdoor plants

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Superfly Bonsai

Product Details

Specifications

Details
Organic Yes
Product Form Liquid
Fertilizer Analysis (N-P-K) 4-1-1
Season Use Multi-Season
Application Frequency Monthly

12. Scotts Super Bloom Water Soluble Plant Food, 2 lb – NPK 12-55-6 – Fertilizer for Outdoor Flowers, Fruiting Plants, Containers and Bed Areas – Feeds

Scotts Super Bloom Water Soluble Plant Food, 2 lb - NPK 12-55-6 - Fertilizer for Outdoor Flowers, Fruiting Plants, Containers and Bed Areas - Feeds

  • Contains high phosphorus to help plants bloom
  • Feed every 1-2 weeks for best results
  • Water-soluble plant food feeds plants instantly
  • For outdoor flowers, fruiting plants, containers and bed areas
  • Won’t burn your plants when used as directed

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Amazon.com

Product Details

Specifications

Details
Product Dimensions 3.5 x 3.5 x 8.3 inches
Country of Origin USA
Is Discontinued By Manufacturer No

Reviews From Real Customers

Philip B.
MRJT
danitas-delights

13. Dyna-Gro 719015 DYBLM100 Plant Food, 1 Gallon

Dyna-Gro 719015 DYBLM100 Plant Food, 1 Gallon

  • Complete with all 16 essential elements
  • Promotes vibrant growth of all plants
  • Low in soluble salts
  • Easy to use super concentrate
  • Ideal for poor, rocky soils, container grown plants and hydroponics

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eBay – bayhydro707

Product Details

Specifications

Details
Product Dimensions 7.25 x 4 x 11.75 inches
Country of Origin USA
Is Discontinued By Manufacturer Yes

Reviews From Real Customers

pedon-holl
jonny_bartender

14. Miracle-Grow Liquid All Purpose Plant Food – 32 fl oz jug

Miracle-Grow Liquid All Purpose Plant Food - 32 fl oz jug

  • Instantly gives plants the nutrients they need to flourish
  • Liquid concentrate easily mixes with water for convenience
  • Feed every 1-2 weeks
  • Big, beautiful Miracle-Gro results
  • For flowers, vegetables, trees, shrubs and houseplants

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Product Details

Specifications

Details
Units in Package 1
Unit Size 32 fl oz
Directions In the Garden: Shake bottle well before each use. Mix 1/3 capful (4 tsp) in 2 gallons of water to feed 20 sq ft of garden. Apply by thoroughly soaking the soil around each plant. Apply every 7-14 days, for spectacular results. For Houseplants: Mix 1 teaspoon per gallon of water and apply every 2 weeks to the soil. Use only as directed.
Ingredients Guaranteed Analysis: Total Nitrogen (N) (12%), Urea Nitrogen (12.0%), Available Phosphate (P2O5) (4%), Soluble Potash (K2O) (8%), Iron (Fe) (0.10%), Chelated Iron (Fe) (0.10%), Manganese (Mn) (0.05%), Chelated Manganese (Mn) (0.05%), Zinc (Zn) (0.05%), Chelated Zinc (Zn) (0.05%), Derived from: Urea, Potassium Chloride, Potassium Phosphate, Iron EDTA, Manganese EDTA and Zinc EDTA.
Warnings Keep out of reach of children.

15. Schultz All Purpose Liquid Plant Food 32 oz

Schultz All Purpose Liquid Plant Food 32 oz

  • 32 oz

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Product Details

Specifications

Details
Phosphorus content 15 percent
Nitrogen content 10 percent
Seasonal use Year-Round
Time release Fast release
Potassium Content 10 percent

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tiger9930
Clarice
zac-rehf

16. Espoma Organic Bloom Liquid Plant Food 16 oz.

Espoma Organic Bloom Liquid Plant Food 16 oz.

  • Brand Name: Espoma
  • Sub Brand: Bloom
  • Organic: Yes
  • Plant Name: All Purpose
  • Fertilizer Analysis (N-P-K): 1-3-1

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Specifications

Details
Organic Yes
Plant Name All Purpose
Fertilizer Analysis (N-P-K) 1-3-1
Container Size 16 oz
Product Form Liquid Concentrate

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Stephanie F
Richard L.
Anne Z.

17. Pbi Gordon Triple 10 Liquid Fertilizer – 2.5 gal jug

Pbi Gordon Triple 10 Liquid Fertilizer - 2.5 gal jug

  • Concentrated formulation.
  • Effective as a starter fertilizer.
  • 10-10-10 all-purpose fertilizer.
  • Apply to lawns and gardens.
  • Use in pull behind sprayers.

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Rural King

Product Details

Specifications

Details
Grass Type All Grasses
Case Pack 2
Fertilizer Analysis (NPK) 10-10-10
Container Size 2.5 gal
Application Season All Season

Reviews From Real Customers

J JeffO
MTor
CJPE

18. Liquid Fertilizer Complete Organic 50ml

Liquid Fertilizer Complete Organic 50ml

  • All purpose. No need to keep different bottles on hand.
  • Vegan, made of plants, for plants.
  • For plants in water or in soil. Stimulate growth and strength for both.
  • Tried and tested.

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Botanopia

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Daniella Eurini
Rachel F.
botanopia.com

19. Alaska 1 gal. Morbloom Fertilizer

Alaska 1 gal. Morbloom Fertilizer

  • 1 Gallon

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Product Details

Specifications

Details
Product Form Liquid
Organic Yes
Concentrated Yes
Fertilizer Analysis (N-P-K) 0-10-10
Season Use Multi-Season

Reviews From Real Customers

Marieblisi
dirtybadjim
PupaQueen

20. FoxFarm – Big Bloom Liquid Concentrate 1 Gal

FoxFarm - Big Bloom Liquid Concentrate 1 Gal

  • 1 Gallon

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Hydro Pros
Monster Gardens

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Details
Weight 10 lb

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Conclusion

Sunflowers are beautiful, cheerful flowers that have the unique ability to follow the sun across the sky. They are native to North America, but they are now grown all over the world. Sunflowers are annual plants, which means they only live for one growing season.

At the end of the season, the flowers die and the plant produces seeds.

Sunflowers are relatively easy to grow, and they don’t require a lot of care. One of the best things about sunflowers is that they can be used as a natural fertilizer. When the flowers die, they release nutrients into the soil that help to nourish the next generation of sunflowers.

Liquid fertilizer is a great way to give sunflowers the extra boost they need to grow big and strong. There are many different brands and formulas of liquid fertilizer, so be sure to read the labels carefully to find one that is right for sunflowers.

In conclusion, liquid fertilizer is an excellent way to promote healthy growth in sunflowers. Be sure to choose a fertilizer that is specifically designed for sunflowers, and follow the directions on the label carefully.

With a little care and attention, your sunflowers will thrive and bring you plenty of enjoyment throughout the growing season.

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