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20 Best Fertilizer For Giant Pumpkins (2022 Updated)

Fertilizer is a key ingredient in giant pumpkin growing. Just like people need the right mix of nutrients to grow big and strong, so do pumpkins. The right fertilizer will give your pumpkin plants the boost they need to produce huge fruits.

There are a few things to keep in mind when choosing a fertilizer for your giant pumpkins. First, you want to make sure it has a high concentration of nitrogen. This element is essential for leaf and stem growth.

Second, you’ll want to choose a fertilizer that has a slightly acidic pH level. Pumpkins prefer a slightly acidic growing environment. And finally, you’ll want to make sure the fertilizer you choose is slow-release.

This means it will release its nutrients over time, rather than all at once. This is important because it prevents your plants from burning their roots with too much fertilizer.

When it comes to applying fertilizer, more is not always better. You’ll want to follow the directions on the fertilizer package, and only apply as much as recommended. Too much fertilizer can actually harm your plants.

If you follow these guidelines, you’ll be well on your way to growing giant pumpkins!

20 Best Fertilizer For Giant Pumpkins

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

The Andersons PGF Complete 16-4-8 Fertilizer with Humic DG 5000 sq.ft.

  • Improve your soil health, lawn health, plant health, and reduce the use of fertilizers
  • Environmentally friendly, OMRI listed. User friendly; can be blended with fertilizers or used alone

FoxFarm Grow Big Liquid Concentrate Fertilizer – 16 fl oz bottle

  • Organic-based concentrate made up of a comprehensive blend of major; minor; and micro nutrients
  • Grow Big was designed to promote spectacular growth

General Hydroponics – KoolBloom 16 lbs

  • Facilitates ripening in annuals
  • Boosts production of essential oils and fragrances
  • Increases size and weight of fruits and flowers

Advanced Nutrients Bloom Fertilizer, Micro Grow, 500ml

  • Promotes healthy plants and fastest growth possible
  • Pharmaceutical grade precursors
  • More chelates per micronutrient than other manufacturers

General Hydroponics – MaxiBloom – 16 lbs.

  • Amigo And Maxi bloom Are Extremely Potent, Stand-Alone, Water-Soluble, Dry Concentrate Nutrients
  • Maxi bloom Is For The Reproductive Stage In Fast Growing Annuals

Urea – NH22CO – 46-0-0 Fertilizer – 1 Pound

  • Great Nitrogen Source.
  • Used in gold refining, many household products, and many other uses.
  • Urea is a good source of nitrogen and is used in gold refining, many household products, and many other uses.

General Hydroponics – MaxiBloom 2.2 lbs

  • Highly concentrated dry nutrient formula
  • Designed for bigger yields and crop quality
  • Promotes prolific flowering and fruiting among a variety of plant types

Advanced Nutrients – Big Bud 4 L

  • Promotes flower quantity and size
  • Enhances potency of flower
  • Increases the market value on end product

Miracle-Gro 3005910 Performance Organics Raised-Bed Plant Food, 2.5 lbs

  • Use Miracle-Gro Performance Organics Raised Bed Plant Nutrition Granules to feed vegetables, fruits, herbs, and flowers grown in raised beds

FoxFarm Cha Ching Soluble Fertilizer 1 lbs.

  • Cha Ching is a high-phosphorus fertilizer that won’t leave a salty residue.
  • All the essential elements you need to support juicy fruit on compact, stocky plants.

Osmocote Plus Outdoor & Indoor Plant Food 1 lb

  • Osmocote’s best formula (11 nutrients)
  • Works with virtually all plant varieties and in all growing conditions
  • Feeds up to 6 full months

Sunday Fall Fortify Lawn Fertilizer, 42 oz

  • “Easy: all you need is a hose”
  • “Apply entire pouch In 10-15 minutes”
  • “Powered by ingredients like nitrogen

Advanced Nutrients Rhino Skin – 4 Liter

  • Get maximum amounts of trichomes and essential oil production
  • Easy to use
  • Plants take silicon into their walls making tougher cell walls

Advanced Nutrients – Piranha 1 L

  • Beneficial fungi root maximizer
  • Increases essential oil secretion
  • 100% Organic

Levington Tomorite 2.5 litres Liquid Plant Food

  • Produces top quality, full flavoured tomatoes
  • 2.5L container
  • A more compact 1L container is also available
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
The Andersons PGF Complete 16-4-8 Fertilizer with Humic DG 5000 sq.ft.
  • Improve your soil health, lawn health, plant health, and reduce the use of fertilizers
  • Environmentally friendly, OMRI listed. User friendly; can be blended with fertilizers or used alone
FoxFarm Grow Big Liquid Concentrate Fertilizer – 16 fl oz bottle
  • Organic-based concentrate made up of a comprehensive blend of major; minor; and micro nutrients
  • Grow Big was designed to promote spectacular growth
General Hydroponics – KoolBloom 16 lbs
  • Facilitates ripening in annuals
  • Boosts production of essential oils and fragrances
  • Increases size and weight of fruits and flowers
Advanced Nutrients Bloom Fertilizer, Micro Grow, 500ml
  • Promotes healthy plants and fastest growth possible
  • Pharmaceutical grade precursors
  • More chelates per micronutrient than other manufacturers
General Hydroponics – MaxiBloom – 16 lbs.
  • Amigo And Maxi bloom Are Extremely Potent, Stand-Alone, Water-Soluble, Dry Concentrate Nutrients
  • Maxi bloom Is For The Reproductive Stage In Fast Growing Annuals
Urea – NH22CO – 46-0-0 Fertilizer – 1 Pound
  • Great Nitrogen Source.
  • Used in gold refining, many household products, and many other uses.
  • Urea is a good source of nitrogen and is used in gold refining, many household products, and many other uses.
General Hydroponics – MaxiBloom 2.2 lbs
  • Highly concentrated dry nutrient formula
  • Designed for bigger yields and crop quality
  • Promotes prolific flowering and fruiting among a variety of plant types
Advanced Nutrients – Big Bud 4 L
  • Promotes flower quantity and size
  • Enhances potency of flower
  • Increases the market value on end product
Miracle-Gro 3005910 Performance Organics Raised-Bed Plant Food, 2.5 lbs
  • Use Miracle-Gro Performance Organics Raised Bed Plant Nutrition Granules to feed vegetables, fruits, herbs, and flowers grown in raised beds
FoxFarm Cha Ching Soluble Fertilizer 1 lbs.
  • Cha Ching is a high-phosphorus fertilizer that won’t leave a salty residue.
  • All the essential elements you need to support juicy fruit on compact, stocky plants.
Osmocote Plus Outdoor & Indoor Plant Food 1 lb
  • Osmocote’s best formula (11 nutrients)
  • Works with virtually all plant varieties and in all growing conditions
  • Feeds up to 6 full months
Sunday Fall Fortify Lawn Fertilizer, 42 oz
  • “Easy: all you need is a hose”
  • “Apply entire pouch In 10-15 minutes”
  • “Powered by ingredients like nitrogen
Advanced Nutrients Rhino Skin – 4 Liter
  • Get maximum amounts of trichomes and essential oil production
  • Easy to use
  • Plants take silicon into their walls making tougher cell walls
Advanced Nutrients – Piranha 1 L
  • Beneficial fungi root maximizer
  • Increases essential oil secretion
  • 100% Organic
Levington Tomorite 2.5 litres Liquid Plant Food
  • Produces top quality, full flavoured tomatoes
  • 2.5L container
  • A more compact 1L container is also available

1. Fox Farm Liquid Nutrient Soil Trio- Pints: Big Bloom, Grow Big, Tiger Bloom Pack

Fox Farm Liquid Nutrient Soil Trio- Pints: Big Bloom, Grow Big, Tiger Bloom Pack

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Premier Hydro
Newegg.com – Airlink Tech

Product Details

Specifications

Details
Product Dimensions 2.5 x 7.5 x 7.8 inches
Is Discontinued By Manufacturer No

2. 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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Sold By Price
Amazon.com
eBay
Ace Hardware
Valu Home Centers

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

3. The Andersons PGF Complete 16-4-8 Fertilizer with Humic DG 5000 sq.ft.

The Andersons PGF Complete 16-4-8 Fertilizer with Humic DG 5000 sq.ft.

  • Improve your soil health, lawn health, plant health, and reduce the use of fertilizers
  • Environmentally friendly, OMRI listed. User friendly; can be blended with fertilizers or used alone

Check Latest Price

Sold By Price
Amazon.com – Seller
eBay
The Andersons
Exit 15 Corporation

Product Details

Specifications

Details
Product Dimensions 15 x 14 x 4 inches
Country of Origin USA

4. FoxFarm Grow Big Liquid Concentrate Fertilizer – 16 fl oz bottle

FoxFarm Grow Big Liquid Concentrate Fertilizer - 16 fl oz bottle

  • Organic-based concentrate made up of a comprehensive blend of major; minor; and micro nutrients
  • Grow Big was designed to promote spectacular growth
  • Growers find it optimal for roses; tomatoes; veggies; flowers; fruits; herbs; and lawns

Check Latest Price

Sold By Price
Amazon.com
eBay
Walmart
Blain’s Farm & Fleet

Product Details

Specifications

Details
Organic Yes
Product Type Liquid Plant Food Concentrate
For Supplemental Foliar 1/2 tsp/gal
For General Feeding 2-3 tsp/gal
Container Size 1 pt.
Brand Name FoxFarm

5. General Hydroponics – KoolBloom 16 lbs

General Hydroponics - KoolBloom 16 lbs

  • Facilitates ripening in annuals
  • Boosts production of essential oils and fragrances
  • Increases size and weight of fruits and flowers

Check Latest Price

Sold By Price
Amazon.com
eBay
LA Garden Supply
Monster Gardens

Product Details

Specifications

Details
Weight 17.85 oz

6. Jobes Granular Fruit and Citrus Fertilizer Spikes – 15 pack

Jobes Granular Fruit and Citrus Fertilizer Spikes - 15 pack

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Home Depot

Product Details

Specifications

Details
Weight 5.25 oz

7. 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

8. Advanced Nutrients Bloom Fertilizer, Micro Grow, 500ml

Advanced Nutrients Bloom Fertilizer, Micro Grow, 500ml

  • Promotes healthy plants and fastest growth possible
  • Pharmaceutical grade precursors
  • More chelates per micronutrient than other manufacturers
  • Nutrient absorption from a broader pH spectrum
  • Concentrated, less-expensive formula

Check Latest Price

Sold By Price
Amazon.com – Seller

Product Details

Specifications

Details
Product Dimensions 7 x 5 x 7 inches
Country of Origin USA
Is Discontinued By Manufacturer No

9. General Hydroponics – MaxiBloom – 16 lbs.

General Hydroponics - MaxiBloom - 16 lbs.

  • Amigo And Maxi bloom Are Extremely Potent, Stand-Alone, Water-Soluble, Dry Concentrate Nutrients
  • Maxi bloom Is For The Reproductive Stage In Fast Growing Annuals
  • Package Dimensions: 22.86 L x 27.94H x25.4W(centimeters)

Check Latest Price

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Amazon.com
eBay
Monster Gardens
GrowGeneration

Product Details

Specifications

Details
Weight 17.85 oz

10. Urea – NH22CO – 46-0-0 Fertilizer – 1 Pound

Urea - NH22CO - 46-0-0 Fertilizer - 1 Pound

  • Great Nitrogen Source.
  • Used in gold refining, many household products, and many other uses.
  • Urea is a good source of nitrogen and is used in gold refining, many household products, and many other uses.

Check Latest Price

Sold By Price
Amazon.com – Seller
eBay – alphachem08
Walmart – Alpha Chemicals
Fishpond.com

Product Details

Specifications

Details
Is Discontinued By Manufacturer No

11. General Hydroponics – MaxiBloom 2.2 lbs

General Hydroponics - MaxiBloom 2.2 lbs

  • Highly concentrated dry nutrient formula
  • Designed for bigger yields and crop quality
  • Promotes prolific flowering and fruiting among a variety of plant types
  • Second step in the two-step Maxi Series growing strategy

Check Latest Price

Sold By Price
Amazon.com – Seller
eBay
GrowGeneration
Hydro Pros

Product Details

Specifications

Details
Product Type Plant Food For Flowers
Container Size 2.2 lb
Brand Name General Hydroponics

12. Advanced Nutrients – Big Bud 4 L

Advanced Nutrients - Big Bud 4 L

  • Promotes flower quantity and size
  • Enhances potency of flower
  • Increases the market value on end product
  • Contains correct ratios of potassium and phosphorus to prevent nutrient burn

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Amazon.com
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BetterGrow Hydro
Guerrilla Grow Hydroponics

Product Details

Specifications

Details
Product Dimensions 8.06 x 4.9 x 10.5 inches
Country of Origin USA
Is Discontinued By Manufacturer No

13. Miracle-Gro 3005910 Performance Organics Raised-Bed Plant Food, 2.5 lbs

Miracle-Gro 3005910 Performance Organics Raised-Bed Plant Food, 2.5 lbs

  • Use Miracle-Gro Performance Organics Raised Bed Plant Nutrition Granules to feed vegetables, fruits, herbs, and flowers grown in raised beds
  • Organic and natural plant food specifically formulated for raised bed gardening
  • In as few as 7 days you’ll start to see results (vs. unfed raised bed plants)
  • Reapply every 6 weeks and water regularly for best results
  • Covers a 4×4 raised bed for the entire season with one reapplication

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eBay – championtvsales
Walmart
Target

Product Details

Specifications

Details
Product Form Granules
Fertilizer Analysis (N-P-K) 9-2-7
Container Size 2.5 lb
Product Type Plant Food
Organic Yes
Plant Type Raised Bed
Concentrated No
Coverage Area 4 sq ft
Application Frequency 6 Weeks
Season Use Multi-Season
Brand Name Miracle-Gro

14. FoxFarm Cha Ching Soluble Fertilizer 1 lbs.

FoxFarm Cha Ching Soluble Fertilizer 1 lbs.

  • Cha Ching is a high-phosphorus fertilizer that won’t leave a salty residue.
  • All the essential elements you need to support juicy fruit on compact, stocky plants.
  • Cha Ching creates juicy, robust fruit with essential oils.
  • Use to maximize a plant’s production.
  • Feed with every other watering.

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Amazon.com – Seller
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Grow Green MI

Product Details

Specifications

Details
Container Size 1 lb.
Product Type Soluble Fertilizer
Fertilizer Analysis 9-50-10
Brand Name FoxFarm

15. Osmocote Plus Outdoor & Indoor Plant Food 1 lb

Osmocote Plus Outdoor & Indoor Plant Food 1 lb

  • Osmocote’s best formula (11 nutrients)
  • Works with virtually all plant varieties and in all growing conditions
  • Feeds up to 6 full months
  • NPK Analysis: 15-9-12
  • Apply with confidence to potted plants, indoors or outdoors

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Ace Hardware
McGuckin Hardware

Product Details

Specifications

Details
Product Type Plant Food
Product Form Granules
Concentrated No
Fertilizer Analysis (N-P-K) 15-9-12
Organic No
Container Size 1 lb
Coverage Area 37 sq ft
Time Release Continuous-Release
Season Use Multi-Season
Brand Name Osmocote

16. Sunday Fall Fortify Lawn Fertilizer, 42 oz

Sunday Fall Fortify Lawn Fertilizer, 42 oz

  • “Easy: all you need is a hose”
  • “Apply entire pouch In 10-15 minutes”
  • “Powered by ingredients like nitrogen
  • and calcium”
  • “No toxic pesticides.”

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Product Details

Specifications

Details
For Use In All Seasons No
Weed Control No
Can Be Used on Bluegrass Yes
Can Be Used on St. Augustine Yes
Can Be Used When Seeding Yes
Nitrogen (N) Content (Percentage) 22
Insect Control No
Waiting Period To Water 24 hours
Safer For Pets Yes
For Use in Summer No
Primary Usage All-purpose lawn fertilizer
All-Purpose Yes
Bag Capacity Unit of Measure Fluid ounce(s)
Can Be Used on Bermuda Yes
Can Be Used on Ryegrass Yes
Bag Capacity Quantity by Dry Volume 42.3
For Use in Fall Yes
Crabgrass Preventer No
OMRI Listed No
Can Be Used on All Grass Types Yes
Can Be Used on Fescue Yes
Can Be Used on Bahia Yes
Potassium (K) Content (Percentage) 0
Time Release Fast release
For Use in Winter Yes
Moss Control No
Lawn Starter No
Mineral Supplement No
Feed Duration Up to 28 days
Organic No
Natural Yes
Waiting Period to Seed No waiting period
Can Be Used on Zoysia Yes
Can Be Used on Centipede No
Phosphorus Content (Percentage) 0
Maximum Coverage Area (Sq. Feet) 5000
Lowe’s Exclusive No
Package Quantity 1
Application Temperature Range 60-80 degrees
Can Be Used On Edibles No
For Use in Spring No
Safer For Kids Yes
Annual Program No
Winterizer Yes
Iron Included Yes

Reviews From Real Customers

DanO
Kellen H.

17. Pumpkin Seed Extract Powder, 25kg Pure Powder

Pumpkin Seed Extract Powder, 25kg Pure Powder

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BulkSupplements.com

Product Details

Specifications

Details
Serving Size 500 milligrams

Reviews From Real Customers

Margarethe K.
Stephen
Scott F.

18. Advanced Nutrients Rhino Skin – 4 Liter

Advanced Nutrients Rhino Skin - 4 Liter

  • Get maximum amounts of trichomes and essential oil production
  • Easy to use
  • Plants take silicon into their walls making tougher cell walls

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Amazon
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Guerrilla Grow Hydroponics
New England Hydroponics

Product Details

Specifications

Details
Length (in.) 8.06
Lead Time This product ships in 1-2 Business Days
N-P-K 0-0-0.4
Nutrient Application Hydroponic and Soil Nutrient
Nutrient Type Synthetic Based
OMRI Certified No
Nutrient Material Type Liquid

19. Advanced Nutrients – Piranha 1 L

Advanced Nutrients - Piranha 1 L

  • Beneficial fungi root maximizer
  • Increases essential oil secretion
  • 100% Organic

Check Latest Price

Sold By Price
Amazon
Grow Green MI
HTG Supply
Horizen Hydroponics

Product Details

20. Levington Tomorite 2.5 litres Liquid Plant Food

Levington Tomorite 2.5 litres Liquid Plant Food

  • Produces top quality, full flavoured tomatoes
  • 2.5L container
  • A more compact 1L container is also available

Check Latest Price

Sold By Price
fruugo.com

Product Details

Conclusion

There are many different types of fertilizer that can be used to grow giant pumpkins. The best type of fertilizer to use will depend on the specific needs of the pumpkin plant. Some pumpkin plants may need more nitrogen, while others may need more phosphorus.

The best way to determine the best fertilizer for your pumpkin plant is to consult with a local gardening expert or agricultural extension agent.

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