Plant Nutrition & Health

A complete range of plant nutrition and health products designed to support robust growth and maximize yields. Our curated selection offers reliable solutions for every stage of plant development.

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Picture of Future Harvest pH Adjusters

Future Harvest pH Adjusters

P_00830
  • Products to control and adjust pH for plant growth.
  • Balanced pH ensures plants absorb essential ions efficiently.
  • Maintain perfect range of 5.8 to 6.2 for optimal growth.
  • Prevent nutrient lockout by staying within correct pH range.
  • Suitable for all growing media and methods.
  • High concentration active ingredient levels for efficacy.
Picture of Gaia Green Organics Glacial Rock Dust

Gaia Green Organics Glacial Rock Dust

P_00837
  • Finely ground rock dust from glacial moraine helps to re-mineralize soil.
  • An excellent source of magnesium, iron, manganese and trace elements.
  • Helps improve soil structure, moisture retention, drainage and cation exchange capacity.
  • Provides essential plant minerals that enhances vitality.
  • Enriches compost with valuable trace elements.
  • Approved for use in organic agriculture by Ecocert Canada.
Picture of Gaia Green Organics Soluble Seaweed Extract 0-0-17

Gaia Green Organics Soluble Seaweed Extract 0-0-17

P_00840
  • Soluble seaweed extract powder with high nutrient availability.
  • High in soluble potassium.
  • Enhances soil biology and benefits plants at all stages of growth.
  • Excellent as a foliar spray.
Picture of Gaia Green Organics Mineralized Phosphate

Gaia Green Organics Mineralized Phosphate

P_00842
  • A high phosphorus organic fertilizer with good plant availability.
  • Known since ancient times to be a beneficial soil amendment.
  • Suitable for increasing yield and quality of all flowering and fruiting crops.
  • Encourages large and plentiful blooms.
Picture of Gaia Green Organics Alfalfa Meal 2.5-0-2

Gaia Green Organics Alfalfa Meal 2.5-0-2

P_00833
  • A specialty organic fertilizer rich in nitrogen and potassium.
  • Adds nutrients to enhance soil microbial activity.
  • Readily decomposes to release nutrients, with no risk of burning.
  • An excellent compost activator.
  • Contains compounds known to benefit plant growth.
  • Approved for use in organic agriculture by Ecocert Canada.
Picture of Gaia Green Organics Blood Meal 14-0-0

Gaia Green Organics Blood Meal 14-0-0

P_00835
  • An organic fertilizer with high concentration of plant available nitrogen.
  • Essential nutrient is released gradually over the season.
  • Gentle on soil microbes that encourage humus production.
  • Flows freely and evenly for spreader or hand application.
  • Approved for use in organic agriculture by Ecocert Canada.
Picture of Gaia Green Organics Bone Meal 0-14-0

Gaia Green Organics Bone Meal 0-14-0

P_00836
  • A slow-release fertilizer recommended for bulbs, vegetables, lawns.
  • Source of phosphorous and calcium for root development.
  • Helps mitigate soil acidity.
  • Can be liberally applied without risk of burning or soil salination.
  • Approved for use in organic agriculture by Ecocert Canada.
Picture of Gaia Green Organics All Purpose 4-4-4

Gaia Green Organics All Purpose 4-4-4

P_00834
  • An all purpose fertilizer suitable for a wide range of crops.
  • Combines ingredients with variable nutrient release rates.
  • Easy-to-use and long-lasting for season-long feeding.
  • Preferred choice of organic farmers for simple fertilizing needs.
  • Suitable for gardens, landscapes, turf, and container plants.
  • Approved for use in organic agriculture by Ecocert Canada.
  • Available in granulated and non-granulated.
Picture of Gaia Green Organics Power Bloom 2-8-4

Gaia Green Organics Power Bloom 2-8-4

P_00838
  • Complex, multi-ingredient blend contains high phosphorus and potassium levels.
  • Suitable for a wide range of flowering and fruiting crops.
  • Combines ingredients with variable nutrient release rates to support high-yields.
  • Easy-to-use and long-lasting.
  • Approved for use in organic agriculture by Ecocert Canada.
  • Available in granulated and non-granulated.
Picture of Grotek™ Vitamax™ Pro 2-3-2

Grotek™ Vitamax™ Pro 2-3-2

P_00856
  • Organic-based nutrient with land and sea inputs.
  • Encourages lush, green growth and strong roots.
  • Contains organic matter for beneficial microbes.
  • Supports soil quality and plant resilience.
  • Mix 1 mL/L (1/4 tsp per 1.25 qt) weekly.
  • 1 L (33.8 fl oz) makes 1,000 L (264 gal).
Picture of Grotek™ Blossom Blaster™ 0-48-31

Grotek™ Blossom Blaster™ 0-48-31

P_00852
  • Concentrated nutrient formula for flowering sites.
  • Provides abundant nutrients for rapid development.
  • Supports prolific blooming and bud filling.
  • High phosphorus and potassium levels.
  • Mix 1 g per 10 L (1/4 tsp per 2.6 gal).
  • 500 g (17.6 oz) makes 5,000 L (1,320 gal).
Picture of Grotek™ Cal-Max™ 2-0-0

Grotek™ Cal-Max™ 2-0-0

P_00853
  • Nutrient supplement for correcting minor plant deficiencies.
  • Rapid nitrogen and magnesium for chlorophyll production.
  • Chelated iron supports lush green growth.
  • Added calcium improves plant vigour at peak growth.
  • Ideal for coconut coir and soilless media.
  • Multiple uses: soil, hydroponics, or foliar spray.
Picture of Grotek™ Monster Bloom™ 0-50-30

Grotek™ Monster Bloom™ 0-50-30

P_00854
  • Concentrated bloom enhancer for flowering and ripening stages.
  • Provides high levels of phosphorus and potassium.
  • Supports protein and starch synthesis in plants.
  • Improves sugar and starch movement within plants.
  • Mix 6 g per 19 L (1 tsp per 5 gal).
  • 500 g makes 5,000 L (1,320 gal) of solution.
Picture of Grotek™ Pro-Silicate™ 0-0-4

Grotek™ Pro-Silicate™ 0-0-4

P_00855
  • Silica and soluble potash supplement for plant strength.
  • Strengthens cell walls and improves stress tolerance.
  • Supports drought tolerance and strong plant performance.
  • Two potassium sources aid flowering and fruiting.
  • Mix 2.5 to 5 mL/4 L (1/2 to 1 tsp/gal) of water.
  • 1 L (33.8 fl oz) makes 2,000 L (528 gal) solution.
Picture of House & Garden™ Aqua Flakes® A & B

House & Garden™ Aqua Flakes® A & B

P_00865
  • Two-part base nutrient for recirculating systems.
  • Designed for hydroponic cultivation methods.
  • Provides long-lasting pH stability.
  • Supports consistent nutrient absorption.
  • Targets plant-specific EC levels.
  • Works through all growth stages.
Picture of House & Garden™ Algen® Extract

House & Garden™ Algen® Extract

P_00863
  • Sea kelp-based nutrient supplement for plants.
  • Made from cold-pressed Norwegian sea kelp.
  • Supports vigorous vegetative growth.
  • Enhances root hair biomass development.
  • Improves plant uptake of trace elements.
  • No dyes, synthetic PGRs, or heavy metals.
Picture of House & Garden™ Amino Treatment®

House & Garden™ Amino Treatment®

P_00864
  • Nutrient supplement with amino acids and potassium.
  • Supports vegetative growth and flower formation.
  • Enhances mineral absorption and plant vigour.
  • Contains green pea protein hydrolysate.
  • Compatible with hydroponics, coco, and soil.
  • No dyes, synthetic PGRs, or heavy metals.
Picture of House & Garden™ Bud-XL®

House & Garden™ Bud-XL®

P_00866
  • Flowering additive for growth, vigor, and yield.
  • Transfers plant sugars to flowering sites.
  • Enhances flower size, density, aroma, flavor.
  • Supports mid to late flowering stages.
  • Use 1 mL/L (0.8 tsp/gal) in feed water.
  • Works in hydroponics and soil systems.
Picture of House & Garden™ Cocos® A & B

House & Garden™ Cocos® A & B

P_00867
  • Two-part base nutrient for coco systems.
  • Designed for drain-to-waste hydroponics.
  • Promotes lush, vigorous plant growth.
  • Improves strength and nutrient uptake.
  • Enhances yield and aroma.
  • Works through all growth stages.
Picture of House & Garden™ Multi Zen®

House & Garden™ Multi Zen®

P_00870
  • Concentrated additive for increasing nutrient uptake.
  • Provides readily available soluble nutrients.
  • Enhances nutrient availability and efficiency.
  • Supports healthy root zone and plant vigour.
  • Compatible with all growing media.
Picture of House & Garden™ Roots Excelurator® Gold

House & Garden™ Roots Excelurator® Gold

P_00869
  • Root growth enhancer for soil and coco substrates.
  • Promotes strong root production and lush, vigorous growth.
  • Improves nutrient uptake and plant resilience.
  • Helps prevent nutrient deficiency-related disorders.
  • Enhances harvest yield and aroma.
  • Suitable for hydroponics and soil systems.
Picture of House & Garden™ Roots Excelurator® Silver

House & Garden™ Roots Excelurator® Silver

P_00872
  • Hydroponic root growth promoting nutrient.
  • Promotes lush, vigorous growth.
  • Improves plant strength and resilience.
  • Boosts nutrient uptake efficiency.
  • Enhances harvest yield and aroma.
  • Works in all growing media.
  • Formulated without dyes or synthetic PGRs.
Picture of House & Garden™ Top Booster®

House & Garden™ Top Booster®

P_00873
  • One-week PK additive for the flowering process.
  • Uses phosphorus and potassium for final reproductive growth.
  • Provides soluble nutrients to enhance floral production.
  • Use one week pre-harvest.
  • Directs energy to flowering sites; improves resilience.
  • Works in all media; no synthetic PGRs or heavy metals.
Picture of House & Garden™ Shooting Powder®

House & Garden™ Shooting Powder®

P_00871
  • Flowering additive to increase growth and yield.
  • Provides nutrient precursors for ATP-synthesis.
  • Provides soluble PK for bloom.
  • Initiates secondary flowering phase.
  • Increases flower size and weight.
  • Enhances oil and resin production.
  • Works in all growing media.
  • Each sachet contains 65 g (2.3 oz).
Picture of Jack's® Classic for Indoor Plants
Picture of Jack's® Classic for Flowers
Picture of Jack's® Classic for Fruits & Vegetables
Picture of Jack's Professional®
Picture of Jack's® Nutrients FeED
Picture of Jack's® Nutrients BOOST
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