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20 Best Fertilizer For Weed Outdoor (2023 Updated)

Fertilizer is a material that is added to soil to provide nutrients for plants. Fertilizer can be organic, such as compost, or inorganic, such as nitrogen. Fertilizer is essential for weed outdoor growth, as it provides the nutrients that plants need to thrive.

20 Best Fertilizer For Weed Outdoor

Product Image Product Name Features Price

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

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

Miracle-Gro Performance Organics Granules All Purpose Plant Food 2.5 lb

  • Shaker jug makes feeding in-ground and container plants easy
  • In as little as 7 days, you will see results (compared to unfed plants)

Advanced Nutrients – pH Perfect Grow 1 L

  • Contains the world-famous Advanced Nutrients pH Perfect technology. This technology eliminates the need to check and adjust pH levels.

Osmocote Plus Plant Food, Smart-Release, Outdoor & Indoor – 2 lb

  • Fortified with 11 essential nutrients
  • Works with virtually all plant varieties, in all growing conditions
  • Feeds up to 6 full months

Advanced Nutrients Piranha 1 Liter

  • Beneficial Fungi maximizes root absorption of oxygen, nutrients and water
  • Most growers think of fungi as something bad that can happen to their crop, similar to mold

AgroThrive Organic 3-3-2 General Purpose Fertilizer 32 oz.

  • Suitable for organic production (OMRI, CDFA, WSDA listed)
  • Formulated for Everything That Grows; derived from fermented fish by-products and grain fermentation

Advanced Nutrients Big Bud Liquid – 500ml

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

Milorganite 32 lb. Slow-Release Nitrogen Fertilizer

  • Eco-friendly
  • Slow Release, feeds up to 3 months
  • Aids in root development

Milorganite Slow-Release Nitrogen Lawn Fertilizer, 32 Lb

  • Organic composition
  • Reduces the need for watering
  • Cuts down mowing time

Fox Farm 6-4-4, 1-Pint FX14092 Grow Big Liquid Concentrate Fertilizer, Soil NPK 6 …

  • Get your garden going with grow big, Foxfarm’s liquid concentrate fertilizer for lush vegetative growth.
  • Country Of Origin: United States.

Advanced Nutrients B-52 – 1 Liter

  • A vitamin B formula that promotes better harvests.
  • Works with soil grown plants or hydroponic applications.
  • Helps make plants stronger — more productive!

Alaska Fish Fertilizer, 1 Gallon

  • All Purpose Deodorized Fish Emulsion
  • Can Be Used On All Indoor & Outdoor Plants
  • Mild Formula Will Not Burn

Miracle Gro 4.5 lbs. Shake N Feed All Purpose Plant Food

  • Formulated with micro nutrients to help plants grow stronger and be more productive
  • Contains kelp, earthworm castings, feather meal, and bone meal

Advanced Nutrients – Rhino Skin 1 L

  • Increases heat, diseases, and stress resistance.
  • Increases trichome structures and potency.
  • Strengthens plants allowing them to produce and support larger flowers.

Advanced Nutrients – pH Perfect Sensi Grow Part A 1 L

  • Dosage for cuttings: 1 ml/Litre
  • Dosage for young plants: 2 ml/Litre
  • Dosage for established plants: 4 ml/Litre
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
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
Miracle-Gro Performance Organics Granules All Purpose Plant Food 2.5 lb
  • Shaker jug makes feeding in-ground and container plants easy
  • In as little as 7 days, you will see results (compared to unfed plants)
Advanced Nutrients – pH Perfect Grow 1 L
  • Contains the world-famous Advanced Nutrients pH Perfect technology. This technology eliminates the need to check and adjust pH levels.
Osmocote Plus Plant Food, Smart-Release, Outdoor & Indoor – 2 lb
  • Fortified with 11 essential nutrients
  • Works with virtually all plant varieties, in all growing conditions
  • Feeds up to 6 full months
Advanced Nutrients Piranha 1 Liter
  • Beneficial Fungi maximizes root absorption of oxygen, nutrients and water
  • Most growers think of fungi as something bad that can happen to their crop, similar to mold
AgroThrive Organic 3-3-2 General Purpose Fertilizer 32 oz.
  • Suitable for organic production (OMRI, CDFA, WSDA listed)
  • Formulated for Everything That Grows; derived from fermented fish by-products and grain fermentation
Advanced Nutrients Big Bud Liquid – 500ml
  • Promotes flower quantity and size
  • Enhances potency of flower
  • Increases the market value on end product
Milorganite 32 lb. Slow-Release Nitrogen Fertilizer
  • Eco-friendly
  • Slow Release, feeds up to 3 months
  • Aids in root development
Milorganite Slow-Release Nitrogen Lawn Fertilizer, 32 Lb
  • Organic composition
  • Reduces the need for watering
  • Cuts down mowing time
Fox Farm 6-4-4, 1-Pint FX14092 Grow Big Liquid Concentrate Fertilizer, Soil NPK 6 …
  • Get your garden going with grow big, Foxfarm’s liquid concentrate fertilizer for lush vegetative growth.
  • Country Of Origin: United States.
Advanced Nutrients B-52 – 1 Liter
  • A vitamin B formula that promotes better harvests.
  • Works with soil grown plants or hydroponic applications.
  • Helps make plants stronger — more productive!
Alaska Fish Fertilizer, 1 Gallon
  • All Purpose Deodorized Fish Emulsion
  • Can Be Used On All Indoor & Outdoor Plants
  • Mild Formula Will Not Burn
Miracle Gro 4.5 lbs. Shake N Feed All Purpose Plant Food
  • Formulated with micro nutrients to help plants grow stronger and be more productive
  • Contains kelp, earthworm castings, feather meal, and bone meal
Advanced Nutrients – Rhino Skin 1 L
  • Increases heat, diseases, and stress resistance.
  • Increases trichome structures and potency.
  • Strengthens plants allowing them to produce and support larger flowers.
Advanced Nutrients – pH Perfect Sensi Grow Part A 1 L
  • Dosage for cuttings: 1 ml/Litre
  • Dosage for young plants: 2 ml/Litre
  • Dosage for established plants: 4 ml/Litre

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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Product Details

Specifications

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

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CoinCapo
kentrou-44

2. 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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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

3. 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

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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

4. Preen 13 lbs. Garden Weed Preventer Plus Plant Food

Preen 13 lbs. Garden Weed Preventer Plus Plant Food

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Product Details

Specifications

Details
Active Ingredient Trifluralin
For Use in Flower Beds Yes
Area of Use Garden
Concentrated No
Rain Resistant No
Recommended for Algae No
Lowe’s Exclusive No
Natural No
Recommended for Nutsedge No
Recommended for Poison Oak No
For Use in Vegetable Gardens No
Maximum Coverage Area (Sq. Feet) 2080
Primary Usage Weed preventer
Safer For Kids No
Recommended for Tree Stumps No
Ready to Use Yes
Recommended for Poison Ivy No
Odorless No
EPA Registration Number 961-407
Application Season All season
Maximum Duration of Effectiveness (Days) 90
For Use Along Fences No
For Use Around Trees Yes
OMRI Listed No
Organic No
Pre-Emergent Yes
Recommended for Moss No
Safer For Pets No
Recommended for Dandelions No
Recommended for Vines Yes
Recommended for Brush No
Contains Glyphosate No
Recommended for Chickweed Yes
Application Method Shaker bottle
Recommended for Crabgrass Yes

Reviews From Real Customers

JoeAkronOhio34Male
MI DogsCatsChickens
Summerone

5. Miracle-Gro Performance Organics Granules All Purpose Plant Food 2.5 lb

Miracle-Gro Performance Organics Granules All Purpose Plant Food 2.5 lb

  • Shaker jug makes feeding in-ground and container plants easy
  • In as little as 7 days, you will see results (compared to unfed plants)
  • Enjoy Miracle-Gro results with organic, all-natural ingredients
  • Reapply every 4-6 weeks and water regularly for best results

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Product Details

Specifications

Details
Brand Name Miracle-Gro
Product Form Granules
Fertilizer Analysis (N-P-K) 9-2-7
Container Size 2.5 lb
Coverage Area 240 sq ft
Organic Yes
Product Type Plant Food
Plant Type All-Purpose
Concentrated No

Reviews From Real Customers

mamaholla86
KCC05
SCPH Corp

6. Advanced Nutrients – pH Perfect Grow 1 L

Advanced Nutrients - pH Perfect Grow 1 L

  • Contains the world-famous Advanced Nutrients pH Perfect technology. This technology eliminates the need to check and adjust pH levels.
  • The chelates added to pH Perfect Grow Micro Bloom ensure your plants receive the maximum amount of nutrients in the least amount of time.
  • Improves the size, color, aroma, and the potency of your crops.
  • Gives you a faster, more productive growth cycle.
  • The amino acids, humic and fulvic acid facilitate better chelation and pH buffering.

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Grow Green MI

Product Details

Specifications

Details
Product Dimensions 4.17 x 2.48 x 7.91 inches
Package length 7.9″
Package width 4.6″
Package height 2.4″

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mrjojo7
tassief34

7. Osmocote Plus Plant Food, Smart-Release, Outdoor & Indoor – 2 lb

Osmocote Plus Plant Food, Smart-Release, Outdoor & Indoor - 2 lb

  • Fortified with 11 essential nutrients
  • Works with virtually all plant varieties, in all growing conditions
  • Feeds up to 6 full months
  • Apply with confidence to potted plants, indoors or outdoors

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Product Details

Specifications

Details
Units in Package 1
Unit Size 2 lb
Directions Directions For Use: Sprinkle: 1 capful (1 capful = 3 tablespoons) per 2 gal. pot or 4 sq. ft. Mix into top 1-3 in. of soil. water regularly. Reapply every 6 months. 1/2 outdoor rate for indoors.
Ingredients ., Derived From: Polymer-Coated: Ammonium Nitrate, Ammonium Phosphate, Potassium Sulfate, Magnesium Sulfate, Sodium Borate, Iron Phosphate, Iron EDTA, Manganese Sulfate, Sodium Molybdate, Zinc Sulfate, Copper Sulfate, and Zinc Oxide.
Warnings This fertilizer contains molybdenum (Mo). The application of fertilizer materials containing molybdenum (Mo) may result in forage crops containing levels of molybdenum (Mo) which are toxic to ruminant animals. Keep out of reach of children.

8. Advanced Nutrients Piranha 1 Liter

Advanced Nutrients Piranha 1 Liter

  • Beneficial Fungi maximizes root absorption of oxygen, nutrients and water
  • Most growers think of fungi as something bad that can happen to their crop, similar to mold
  • Helps your roots gain surface mass

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New England Hydroponics
Guerrilla Grow Hydroponics

Product Details

Specifications

Details
Product Dimensions 4.17 x 2.48 x 7.91 inches
Is Discontinued By Manufacturer No

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therealspldude
snake640161

9. AgroThrive Organic 3-3-2 General Purpose Fertilizer 32 oz.

AgroThrive Organic 3-3-2 General Purpose Fertilizer 32 oz.

  • Suitable for organic production (OMRI, CDFA, WSDA listed)
  • Formulated for Everything That Grows; derived from fermented fish by-products and grain fermentation
  • Promotes vigorous root and foliar growth and improves plant disease resistance

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Product Details

Specifications

Details
Fertilizer Analysis (N-P-K) 3-3-2
Organic Yes
Moisture Retention Yes
Fertilizer Enriched Yes
OMRI Certified Yes
Longevity 104 week
Product Type General Purpose Fertilizer
Product Form Liquid
Plant Name Everything that Grows
Container Size 32 oz
Product Form Liquid Concentrate
Plant Type All-Purpose
Brand Name AgroThrive

10. Advanced Nutrients Big Bud Liquid – 500ml

Advanced Nutrients Big Bud Liquid - 500ml

  • 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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Guerrilla Grow Hydroponics

Product Details

Specifications

Details
Product Dimensions 4 x 2 x 6 inches
Country of Origin USA
Is Discontinued By Manufacturer No

Reviews From Real Customers

sandrmolin49
zkeefe23

11. Milorganite 32 lb. Slow-Release Nitrogen Fertilizer

Milorganite 32 lb. Slow-Release Nitrogen Fertilizer

  • Eco-friendly
  • Slow Release, feeds up to 3 months
  • Aids in root development
  • Contains non-staining iron
  • Fertilizer Analysis is 6-4-0

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Specifications

Details
Assembled Product Weight 33.000 oz
Assembled Product Dimensions (L x W x H) 14.00 x 8.00 x 18.00 Inches

12. Milorganite Slow-Release Nitrogen Lawn Fertilizer, 32 Lb

Milorganite Slow-Release Nitrogen Lawn Fertilizer, 32 Lb

  • Organic composition
  • Reduces the need for watering
  • Cuts down mowing time
  • Used on golf courses for decades

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Specifications

Details
Product Type Lawn Fertilizer
Organic Yes
Grass Type All Grasses
Fertilizer Analysis (N-P-K) 06-04-00
Application Conditions Dry
Product Type Slow-Release Nitrogen Fertilizer
Coverage Area 2500 sq. ft.
Container Size 32 lb.
Grass Type All Grass Types
Water Soluble No
Product Form Granules
Suitable for Vegetables Yes
Application Season All Seasons
Primary Usage Slow Release Nitrogen
Brand Name Milorganite

13. Fox Farm 6-4-4, 1-Pint FX14092 Grow Big Liquid Concentrate Fertilizer, Soil NPK 6 …

Fox Farm 6-4-4, 1-Pint FX14092 Grow Big Liquid Concentrate Fertilizer, Soil NPK 6 ...

  • Get your garden going with grow big, Foxfarm’s liquid concentrate fertilizer for lush vegetative growth.
  • Country Of Origin: United States.

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14. Advanced Nutrients B-52 – 1 Liter

Advanced Nutrients B-52 - 1 Liter

  • A vitamin B formula that promotes better harvests.
  • Works with soil grown plants or hydroponic applications.
  • Helps make plants stronger — more productive!
  • Ideal for seedlings, new clones, transplants — or in peak flowering!

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Specifications

Details
Advanced Nutrients Part # 2100-14
Country of Manufacture United States

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Pete
warvau-7

15. Alaska Fish Fertilizer, 1 Gallon

Alaska Fish Fertilizer, 1 Gallon

  • All Purpose Deodorized Fish Emulsion
  • Can Be Used On All Indoor & Outdoor Plants
  • Mild Formula Will Not Burn
  • Stimulates Soils Micro Organisms To Help Build Soil Content

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Weight 9.5 oz

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16. Miracle Gro 4.5 lbs. Shake N Feed All Purpose Plant Food

Miracle Gro 4.5 lbs. Shake N Feed All Purpose Plant Food

  • Formulated with micro nutrients to help plants grow stronger and be more productive
  • Contains kelp, earthworm castings, feather meal, and bone meal
  • Can be used on indoor and outdoor plants
  • Ideal for all flowers, vegetables, trees, shrubs, and houseplants
  • Nourishes above and below the soil

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17. Advanced Nutrients – Rhino Skin 1 L

Advanced Nutrients - Rhino Skin 1 L

  • Increases heat, diseases, and stress resistance.
  • Increases trichome structures and potency.
  • Strengthens plants allowing them to produce and support larger flowers.
  • Does not affect the pH level.

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Specifications

Details
Length (in.) 4.5
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

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18. Espoma Holly Tone Fertilizer 4lb

Espoma Holly Tone Fertilizer 4lb

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19. Milorganite Nitrogen Fertilizer

Milorganite Nitrogen Fertilizer

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Specifications

Details
Weight 37 lb

20. Advanced Nutrients – pH Perfect Sensi Grow Part A 1 L

Advanced Nutrients - pH Perfect Sensi Grow Part A 1 L

  • Dosage for cuttings: 1 ml/Litre
  • Dosage for young plants: 2 ml/Litre
  • Dosage for established plants: 4 ml/Litre
  • Sensi Grow Part A – NPK 2-0-0
  • Sensi Grow Part B – NPK 1-2-6

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Specifications

Details
Advanced Nutrients Part # 6201-14
Country of Manufacture United States

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Doc

Conclusion

Fertilizer is an important part of any weed control program. A well-fertilized lawn is able to better compete with weeds and is less likely to be invaded by them. A good fertilizer program will also help to keep your lawn healthy and looking its best.

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