9 Best Marijuana Plant Nutrients

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Updated on: November 2025

Best Marijuana Plant Nutrients in 2025


FoxFarm Tiger Bloom Liquid Fertilizer Concentrate - Fast Acting Formula for Vicious Growth with Phosphorus - Encourages Fruit, Flower & Bud Development, NPK 2-8-4 (Pint)

FoxFarm Tiger Bloom Liquid Fertilizer Concentrate - Fast Acting Formula for Vicious Growth with Phosphorus - Encourages Fruit, Flower & Bud Development, NPK 2-8-4 (Pint)
BESTSELLER NO. 1 in 2025
  • SPARK VIGOROUS BLOOMS: Kickstart flowering and fruiting with potent fertilizer for vegetable garden. Perfect for various plants, it promotes flower, fruit, and bud growth. Use at first bloom to boost garden vitality for abundant harvests all season, GROWTH ESSENTIAL INGREDIENTS: Fox farm liquid plant food’s high phosphorus formula has vital nutrients for growth and blooming. It contains nitrogen to support healthy foliage & root development, providing a complete solution for vibrant plant health, MAXIMIZED MICRONUTRIENT ABSORPTION: The low pH formula of liquid bloom fertilizer for flowers ensures nutrient stability, keeping essential micronutrients available for uptake. This blend supports balanced nutrition and overall plant resilience, HYDROPONIC & SOIL READY: Suitable for both hydroponic systems and traditional soil applications, this bloom plant food supports robust development and high yields. Whether in garden beds or hydroponic setups, it always delivers consistent results, EFFORTLESS BLOOM BLENDING: For optimal results adjust pH to 5.8-6.3, mix 2-3 teaspoons of flowering fertilizer per gallon for general feeding, and 4 teaspoons for heavy feeding. In the case of hydroponics, use 2 teaspoons per gallon with each reservoir change.

FoxFarm Fertilizer Soil Trio Liquid Nutrient: Tiger Bloom, Grow Big, Big Bloom Bottles - (Pack of 3-1 Pint)

FoxFarm Fertilizer Soil Trio Liquid Nutrient: Tiger Bloom, Grow Big, Big Bloom Bottles - (Pack of 3-1 Pint)
BESTSELLER NO. 2 in 2025
  • A POWER TRIO TO NOURISH YOUR PLANTS: This liquid fertilizer bloom bundle makes plants receive nutrition all season for bountiful yields.
  • GROW BIG TO SPARK LUSH VEGETATION: Kickstart wit grow fertilizer for vegetable garden, designed to promote lush vegetative growth. This liquid concentrate enhances plant structure, resulting in more abundant fruits & flowers for a thriving yield, POWERS UP BUDS WITH TIGER BLOOM: Activate the strength of fruit and bloom booster plant food for flowers when buds begin to form. This phosphorus fertilizer fosters vigorous growth & supports abundant flowering, ensuring your plants yield a stunning harvest, KEEP PLANTS HAPPY WITH BIG BLOOM: Use Fox Farm Big Bloom fertilizer for flowers in all growth cycles to heal root systems & enhance nutrient cycling. This concentrated blend is perfect for all flowering and fruiting plants, giving them the boost they need, FEED WITH EASE, FLOURISH FULLY: Integrate these fox farm fertilizers into your routine by mixing them with water or a sprayer. Adjust application rates of bloom booster fertilizer based on your plants’ responses, ensuring optimal results with minimal effort.

Advanced Nutrients ANBGMBD500 Bloom, Micro, Grow Fertilizer Bundle, 500ml Each, Original Version

Advanced Nutrients ANBGMBD500 Bloom, Micro, Grow Fertilizer Bundle, 500ml Each, Original Version
BESTSELLER NO. 3 in 2025
  • 500 ml bundle set, Lush, sturdy growth from 3-part nutrients designed specifically for high value, 3 part solution: You get advanced nutrients bloom, micro and grow, State-of-the-art carrier molecules to ensure their plants get the maximum amount of nutrients, You will never have to worry about your pH again.

Advanced Nutrients GL525050-12 Big Bud Liquid Fertilizer, 250 mL, Brown/A

Advanced Nutrients GL525050-12 Big Bud Liquid Fertilizer, 250 mL, Brown/A
BESTSELLER NO. 4 in 2025
  • Larger, heavier, denser flowers, Flowers with more essential oils, aromatics, terpenoids, phenols and other potency factors, Measurable, significant increases in overall harvest weight and market value, No assembly required.

Advanced Nutrients Grow Micro Bloom pH Perfect Bundle Set Combo Base Nutrient 1L

Advanced Nutrients Grow Micro Bloom pH Perfect Bundle Set Combo Base Nutrient 1L
BESTSELLER NO. 5 in 2025
  • If you want to achieve fast growth high yields and incredible products choose Grow Micro Bloom.
  • 1L.

FoxFarm - Big Bloom Plant Food, Liquid Fertilizer Concentrate for Flowers, Fruits, and Vegetables, All Purpose Plant Fertilizer for Indoor & Outdoor Potted Plants, NPK 0-0.5-0.7 (Pint)

FoxFarm - Big Bloom Plant Food, Liquid Fertilizer Concentrate for Flowers, Fruits, and Vegetables, All Purpose Plant Fertilizer for Indoor & Outdoor Potted Plants, NPK 0-0.5-0.7 (Pint)
BESTSELLER NO. 6 in 2025
  • Big Blooms Start with Big Bloom: Achieve vibrant, healthy blooms with our big bloom liquid plant food, specially formulated to provide your plants with essential nutrients for robust growth in flowers, fruits, and vegetables, Formula: Our liquid plant fertilizer delivers essential nutrients without harmful chemicals. Its unique micro-brewed formula includes earthworm castings, bat guano, & other high-test ingredients, ensuring a full range of nutrients, Strengthens Roots and Boosts Flavor: Our outdoor and fertilizer for vegetable garden enhances root development, intensifies flower fragrance & increases essential oil production, leading to stronger flavors in herbs, fruits & vegetables, Versatile Use: Our bloom fertilizer is ideal for all flowering and fruiting plants, including flowers, vegetables & herbs. Safe for regular use, it provides all the essential nutrients whether you're nurturing a garden or growing potted plant, Easy to Apply: This FoxFarm liquid fertilizer mixes effortlessly with water. Simply add the concentrate to your watering can and nourish your plants as you water. This convenient method ensures that your plants receive the nutrients without any hassle.

Bloom Booster Flowering Enhancer & Heavy Harvests – High-Density PK Formula – BudCharge 0-50-32 | Ideal for Fruit & Flower Production (5, Ounces)

Bloom Booster Flowering Enhancer & Heavy Harvests – High-Density PK Formula – BudCharge 0-50-32 | Ideal for Fruit & Flower Production (5, Ounces)
BESTSELLER NO. 7 in 2025
  • Maximize Bloom Production – BudCharge Bloom Booster 0-50-32 delivers a high-phosphorus and potassium (PK) formula designed to stimulate explosive flowering, bigger buds, and increased resin production for superior yields.
  • Ideal for All Blooming Plants – Perfect for fruits, vegetables, flowers, and ornamentals, this versatile PK booster fuels lush, vibrant blooms and faster flowering cycles in soil, hydroponics, coco coir, and soilless grow media.
  • Fast-Acting Water-Soluble Formula – Highly soluble and easily absorbed, ensuring your plants receive immediate and sustained nutrient availability for peak performance throughout the flowering phase.
  • Professional-Grade Flower Enhancer – Trusted by commercial growers, hydroponic experts, and home gardeners, BudCharge is crafted for optimal bud formation, weight gain, and superior terpene profiles.
  • Compatible with All Nutrient Programs – Works seamlessly alongside base nutrients, bloom fertilizers, and organic or synthetic feeding regimens, making it a must-have bloom booster additive.
  • Boost Your Harvest Now – Whether you’re a hydroponic grower, soil cultivator, or greenhouse enthusiast, BudCharge ensures bigger flowers, stronger plants, and unbeatable yields—get ready for your best harvest yet!, MADE WITH PRIDE IN USA: Made in Sparta, Tennessee by family members.
  • Enhanced PK Concentration: Specifically formulated to meet the high phosphorus and potassium demands of plants during crucial flowering and fruiting phases, promising more voluminous, denser, and substantial yields from both flowers and vegetables.
  • Comprehensive Micronutrient Suite: Delivers essential micronutrients critical for transitioning from vegetative growth to the flowering stage, optimizing plant physiology for the best possible flower and fruit development.
  • Optimized Bud Density & Weight: Leveraging BudCharge's potent PK mix and full micronutrient spectrum to support the growth of exceptionally large buds, flowers, and fruits, realizing the aspirations of every passionate gardener.

General Hydroponics FloraSeries Hydroponic Nutrient Fertilizer System Trial Pack with FloraMicro, FloraBloom and FloraGro, 1 qt.

General Hydroponics FloraSeries Hydroponic Nutrient Fertilizer System Trial Pack with FloraMicro, FloraBloom and FloraGro, 1 qt.
BESTSELLER NO. 8 in 2025
  • The FloraSeries is a hydroponic-based nutrient fertilizer system that helps fulfill your plants’ nutrient needs at every stage of growth, Nutrients included are FloraMicro, FloraBloom, and FloraGro, FloraMicro is rich in nitrogen, calcium, and chelated micronutrients to help support fast-growing crops during all growth stages, FloraGro is blended with nitrogen phosphorus, potassium, and magnesium for support of structural and foliar growth, FloraBloom is packed with phosphorus, potassium, magnesium, and sulfur to help boost results during flowering and fruiting.

Bloom Booster and Yield Enhancer for Plants - Big, Heavy, Healthy Harvests, for Use in Soil and Hydroponics - Concentrated Phosphorus and Potassium - Flower Fuel 1-34-32, 250g

Bloom Booster and Yield Enhancer for Plants - Big, Heavy, Healthy Harvests, for Use in Soil and Hydroponics - Concentrated Phosphorus and Potassium - Flower Fuel 1-34-32, 250g
BESTSELLER NO. 9 in 2025
  • Flower Fuel is a 100% hydroponic-grade, soluble bloom fertilizer. It works great with any base nutrient (including all popular 2 and 3-part nutrients), and in any soil, coco, hydroponic or aeroponic system.
  • Formulated to achieve larger, denser and heavier harvests. That means better looking, more valuable crops for you.
  • Over 40 proprietary ingredients go into every jar of Flower Fuel. Among these are powerful nutrients, organic components, and every single trace element you need to grow healthy plants.
  • TREATS 200 GALLONS OF WATER! At 10 cents per gallon treated, Flower Fuel is an unbelievable value.

Best MARIJUANA PLANT NUTRIENTS: The King's Choice

A seasoned guide, forged like a sword, to choose the finest nutrients for your garden's triumph.

The Quest for the Perfect Nutrient

Like a ranger seeking the hidden path, you must know the terrain of your grow. The finest nutrients stand as your trusted companions, each bearing the strength to turn seedlings into glorious harvests.

NPK Balance and Bloom Power

Phosphorus‑Rich Bloom Boosters

When the buds begin to rise, a high‑phosphorus formula becomes your battle cry. Products such as FoxFarm Tiger Bloom (2‑8‑4) and BudCharge 0‑50‑32 deliver the fire needed for explosive flowering and massive resin.

Tip:

Mix 2‑3 teaspoons per gallon at the first sign of bloom; raise to 4 teaspoons for a heavy‑feeding push, just as a king rallies his warriors before the final charge.

Balanced Growth for Vegetative Might

During the vegetative stretch, nitrogen‑rich blends like FoxFarm Grow Big and Advanced Nutrients Grow fortify stems and roots, laying the foundation for a harvest worthy of song.

Tip:

Apply a modest dose (1‑2 teaspoons per gallon) until the plant shows robust foliage, then increase as the canopy thickens.

Form & Application: Liquid Versus Powder

Liquid Concentrates – Swift Action

Liquid feeds such as FoxFarm Tiger Bloom and Advanced Nutrients ANBGMBD500 Bundle travel the plant’s veins like a coursing river, delivering nutrients instantly. Ideal for both soil and hydroponic realms.

Tip:

Always test the pH after dilution; aim for 5.8‑6.3 in hydroponics, 6.0‑6.5 in soil, and watch the plant drink eagerly.

Powder or Tablet Forms – Precision and Longevity

While not listed here, powdered nutrients grant the steady march of supply, perfect for growers who crave exact control over each feeding.

pH Mastery – The Silent Guardian

The kingdom of your grow thrives only when the soil’s pH is held firm. Many of the featured blends, like FoxFarm Tiger Bloom, arrive at a low‑pH ready state, easing your burden.

Tip:

Use a calibrated pH meter before every watering. Adjust with a gentle whisper of pH‑up or pH‑down, never a harsh shove.

Versatility: Soil and Hydroponics

A true champion can stand on any battlefield. FoxFarm Tiger Bloom, Big Bloom, and BudCharge prove their worth in rich earth and in the sterile channels of hydroponics alike.

Tip:

For hydroponic systems, keep the solution’s EC between 1.2‑1.8 mS/cm during bloom; for soil, aim for a moderate moisture level to avoid nutrient lockout.

Bud Boosters and Heavy Harvests

BudCharge 0‑50‑32 – The Warrior’s Edge

This PK‑rich booster fuels dense buds and thick resin. It pairs seamlessly with any base nutrient, turning a modest yield into a king’s bounty.

Tip:

Add 2‑3 ml per gallon during the final two weeks of flowering for that final surge of weight.

Flower Fuel 1‑34‑32 – The Alchemist’s Secret

With over 40 proprietary ingredients, Flower Fuel delivers a full micronutrient suite, ensuring every petal and pod reaches its zenith.

Tip:

One tablespoon per 5 gallons sustains the plant’s vigor through the entire bloom, much like a steady supply line to the front.

Season‑Long Bundles – The Ranger’s Pack

For those who prefer a single cart to carry all essentials, consider the FoxFarm Soil Trio or Advanced Nutrients ANBGMBD500 Bundle. Each pack supplies grow, micro, and bloom phases, allowing you to march from seedling to harvest without pause.

Tip:

Follow the manufacturer’s schedule, but listen to your plants; yellowing leaves may signal a need to tweak the ratio, just as weather forecasts guide a trek.

Final Verdict – Choose Your Champion

If you seek a noble blend that conquers both soil and water, let FoxFarm Tiger Bloom be your banner. For those craving the ultimate harvest weight, rally with BudCharge 0‑50‑32. And for the all‑in one journey, arm yourself with the FoxFarm Soil Trio. Whichever path you tread, remember: a careful hand, a steady pH, and a vigilant eye are the true crowns of a victorious grow.