Product benefits
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Late-Stage Nutrition
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Magnesium Support
-
Sulfur Support
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Fully Water Soluble
-
Dripper Friendly
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Clean Formula
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Bloom Support
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Multi-System Use
This product may offer additional benefits beyond those listed.
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Green Planet Nutrients Horti Late Bloom - 5 LBS
Out of stock at your selected pickup location? If your order is being picked up in Newmarket or Barrie, we’ll automatically transfer available inventory between those two stores, so everything is handled for you.
Newmarket, Ontario (Head Office)
1175 Stellar Drive, Unit #5
Newmarket, ON L3Y 7B8
- Mon10:00am–6:00pm
- Tue10:00am–6:00pm
- Wed10:00am–6:00pm
- Thu10:00am–6:00pm
- Fri10:00am–6:00pm
- Sat10:00am–4:00pm
- SunClosed
Barrie, Ontario
106 Saunders Road, Unit #2A
Barrie, ON L4N 9A8
- Mon10:00am–6:00pm
- Tue10:00am–6:00pm
- Wed10:00am–6:00pm
- Thu10:00am–6:00pm
- Fri10:00am–6:00pm
- Sat10:00am–4:00pm
- SunClosed
Pickering, Ontario
719 Krosno Boulevard
Pickering, ON L1W 1G4
- MonClosed
- Tue10:00am–5:00pm
- Wed10:00am–6:00pm
- Thu10:00am–6:00pm
- Fri10:00am–6:00pm
- Sat11:00am–4:00pm
- SunClosed
Winnipeg, Manitoba
915 McLeod Avenue, Unit #4
Winnipeg, MB R2G 0Y4
- Mon10:00am–6:00pm
- Tue10:00am–6:00pm
- Wed10:00am–6:00pm
- Thu10:00am–6:00pm
- Fri10:00am–6:00pm
- Sat11:00am–3:00pm
- SunClosed
Manufacturer Recommended Products
Product benefits
-
Late-Stage Nutrition
-
Magnesium Support
-
Sulfur Support
-
Fully Water Soluble
-
Dripper Friendly
-
Clean Formula
-
Bloom Support
-
Multi-System Use
This product may offer additional benefits beyond those listed.
Description
Description
GreenPlanet Nutrients Horti Late Bloom is a fully soluble dry fertilizer and late bloom fertilizer for finishing the flowering stage strong in commercial horticulture. This flowering stage base nutrient is built to support the final stretch of flower development with a clean, professional nutrient profile.
Horti Late Bloom is formulated to finish off flowers in the last two weeks of flower, giving plants an optimal array of nutrients for a confident late-flower finish. It’s part of the horti commercial line, designed for growers who want a dependable, repeatable bloom-phase nutrient that stays focused on late-stage performance rather than extra complexity.
A compact facts layer keeps it clear at a glance: Horti Late Bloom is labeled 0-24-26, and it includes magnesium and sulfur. This late bloom fertilizer is positioned for the final bloom window, when flowering crops are concentrating energy into flower development and finish quality. The formula’s role is straightforward: provide a robust NPK ratio and targeted late-bloom support that aligns with strong finishing goals.
The horti commercial line places a strong emphasis on consistency, and that shows up in the way Horti Late Bloom is described. It is highly soluble and consistent in each batch, and it is described as pH stable for steady performance in professional environments. It also contains no fillers or contaminants, keeping the product centered on a clean, purpose-built nutrient profile. For irrigated production setups, Horti Late Bloom is described as containing zero sediment or organic material to block irrigation systems, which helps support reliable flow and clean handling.
Efficiency claims for the horti line are framed around performance outcomes growers care about at scale. GreenPlanet describes horti nutrients as delivering powerful NPK ratios and specific micronutrients for vegetative and bloom stages, with superior plant uptake rates intended to support crop productivity and higher yields. Within that lineup, Horti Late Bloom is the late-stage bloom tool: a fully soluble dry fertilizer that supports the finishing phase with a clear late bloom focus.
System suitability is built into the product’s identity. The horti commercial line is positioned for day tank, injector, and dosing systems, and it is intended for greenhouse horticultural crops. This is a good fit for growers who want a fully soluble commercial line late bloom fertilizer with a pH stable, zero sediment profile, especially in greenhouse operations where clean solubility and consistent batch-to-batch performance matter.
How To Use
How To Use
How to Use Green Planet Nutrients Horti Late Bloom - 5 LBS
Step-by-step mixing and feeding instructions for Green Planet Nutrients Horti Late Bloom - 5 LBS.
Mixing & preparation
Fill your reservoir or watering container with clean, room-temperature water first. Shake the bottle of Green Planet Nutrients Horti Late Bloom - 5 LBS well before every use. Using the feeding schedule below, measure the recommended dose and add it directly to the water while stirring. Allow the solution to mix fully before adding any other fertilizers, additives, or supplements.
Always add nutrients to water — not the other way around. Mix thoroughly between products to ensure an even, stable nutrient solution.
Week-by-week feeding schedule
Vegetative stage — Horti Late Bloom
- Week 1: do not use this product during this week of vegetative growth.
- Week 2: do not use this product during this week of vegetative growth.
- Week 3: do not use this product during this week of vegetative growth.
Flowering stage — Horti Late Bloom
- Week 1: do not use this product during this week of flowering.
- Week 2: do not use this product during this week of flowering.
- Week 3: do not use this product during this week of flowering.
- Week 4: do not use this product during this week of flowering.
- Week 5: do not use this product during this week of flowering.
- Week 6: mix 0.71 g per litre of water or nutrient solution.
- Week 7: mix 0.71 g per litre of water or nutrient solution.
- Week 8: do not use this product during this week of flowering.
Tips for best results
- Maintain pH and EC/ppm within the range recommended for your growing medium and crop.
- Use fresh nutrient solution whenever possible and avoid leaving mixed solution stagnant for long periods.
- Store nutrients in a cool, dark place away from direct sunlight and extreme temperatures.
- Keep bottles tightly sealed when not in use to reduce air exposure and preserve product quality.
- Use clean measuring tools and regularly rinse or clean your reservoir, lines, and irrigation equipment.
Common mistakes to avoid
- Do not mix different nutrients or additives together in concentrated form before adding them to water.
- Do not exceed the recommended dosage unless you are following a tested, crop-specific feeding plan.
- Do not skip pH or EC/ppm checks when growing in hydroponic or soilless systems.
- Do not allow the nutrient solution to freeze or overheat, as this can damage the formulation.
- Do not ignore the directions on the product label for your specific crop, growth stage, and system type.
Warnings & Safety
Warnings & Safety
Warning – Important Safety Information
This product may cause mild skin irritation and eye irritation. Avoid unnecessary contact with skin, eyes, and clothing. Use only as directed.
General safety precautions
Read and follow all instructions on the product label and any accompanying documentation before use. Keep out of reach of children and pets. Do not ingest. Avoid breathing vapours, mist, or dust that may be generated during handling or use.
Wear appropriate personal protective equipment (PPE), such as protective gloves, long sleeves, long pants and closed-toe footwear. When there is a risk of splashing or airborne particles, use safety glasses or other suitable eye and face protection.
First aid – skin contact
IF ON SKIN OR HAIR: Remove contaminated clothing immediately. Rinse skin with clean water for several minutes, then wash with mild soap and water. If irritation or redness develops and persists, seek medical attention. Wash contaminated clothing before reuse.
First aid – eye contact
IF IN EYES: Rinse cautiously with clean water for several minutes, keeping eyelids open. Remove contact lenses if present and easy to do. Continue rinsing. If irritation persists, obtain medical advice.
First aid – ingestion and inhalation
IF SWALLOWED: Rinse mouth thoroughly with water. Do not induce vomiting unless instructed by a medical professional. Seek medical attention if you feel unwell.
IF INHALED: Move the person to fresh air and keep them comfortable for breathing. If coughing, breathing difficulty, dizziness or other symptoms occur, seek medical assistance.
Storage and handling
Store this product in its original closed container, in a cool, dry and well-ventilated area. Protect from extreme temperatures and direct sunlight. Keep container tightly sealed when not in use.
Avoid release to drains, natural waterways or outdoor soil. Dispose of unused product and empty containers in accordance with local regulations and the directions on the label.
Important: If medical advice is needed, keep the product label or container available. Always follow the specific instructions and safety recommendations provided by the manufacturer. This safety notice is intended as general guidance and does not replace official label directions or documentation.
Guaranteed Minimum Analysis
Guaranteed Minimum Analysis
| Available Phosphate (P2O5) | 24.0% |
|---|---|
| Soluble Potash (K2O) | 26.0% |
| Total Magnesium (Mg) | 3.1% |
| Sulfur (S) | 7.5% |
Derived From
Derived From
Frequently Asked Questions
Frequently Asked Questions
What does available phosphate (P₂O₅) do for plant growth?
Available Phosphate (P₂O₅) supports root development, energy transfer, and early structural growth by providing a form of phosphorus that plants can absorb and use quickly.
Why is soluble potash (K2O) important for plants?
Soluble potash (K2O) is important because it helps plants control water use, move sugars to new growth and fruit, and build stronger, higher-quality structure under stress. It’s unique from many other nutrients because it acts more like a regulator and transport helper than a direct “building material,” so the biggest benefits show up as steadier growth, stronger stems, and better finishing instead of just bigger leaves.
Why is sulfur (S) important for plant growth?
Sulfur is important because plants need it to build key amino acids and proteins that drive real growth, strong structure, and efficient use of nitrogen, making it uniquely different from “look-alike” nutrients that may change leaf color without supporting the plant’s core building process.
Why is total magnesium (Mg) important for plant growth?
Total magnesium is important because magnesium powers chlorophyll and energy use, helping plants stay green, turn light into growth, and use other nutrients efficiently—and it’s unique because its problems often come from nutrient balance and uptake competition, not just a simple shortage.
What does magnesium sulfate do for plants?
Magnesium sulfate supplies magnesium for chlorophyll and sugar movement plus sulfur for protein building, helping plants stay efficient and green during high-demand growth. It’s unique because it adds magnesium without extra nitrogen or calcium, so it corrects magnesium issues with fewer side effects when balance is the real goal.
What does monopotassium phosphate do for flowering plants?
Monopotassium phosphate provides fast phosphorus and potassium that support energy use, nutrient flow, and bloom development without adding nitrogen, so it helps flowering progress cleanly without pushing extra leafy growth. It’s unique because it delivers a focused PK boost in a highly soluble form, which can correct stage-related demand quickly, but it must be used carefully to avoid potassium-heavy imbalances that can block calcium and magnesium uptake.
Is potassium sulfate better than other potassium sources for sensitive plants?
Potassium sulfate is often preferred because it supplies potassium without added chloride and also provides sulfur, which supports protein-building and efficient nutrient use, making it a cleaner, balanced option when plants are sensitive to chloride or when you want potassium without pushing extra nitrogen or phosphorus.
Frequently purchased together
-
Green Planet Nutrients Rezin - 1 Litre
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Green Planet Nutrients Massive Bloom Formulation - 1 Litre
Regular price $24.35Regular priceSale price $24.35 -
Green Planet Nutrients Liquid Weight - 1 Litre
Regular price $18.24Regular priceSale price $18.24
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Vegetative — Week 1
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Horti Cal—
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Horti Grow—
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Horti Bloom—
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Horti Late Bloom—
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Horti Late Cal—
Flowering — Week 1
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Horti Cal—
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Horti Grow—
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Horti Bloom—
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Horti Late Bloom—
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Horti Late Cal—