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Hort-booster G 5L

Availability: In stock

Horticultural Bio-Stimulant

  • Buy 4 for £32.00 (£38.40 inc VAT) each and save 15%
£45.00 Inc VAT £37.50 Ex VAT
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Product Description

Hort-booster G takes plant nutrition beyond conventional fertilisers by combining a unique, powerful package of 19 essential amino-acids, humic acid complex, seaweed and major and minor nutrients from organic and inorganic sources. Hort-booster G facilitates maximum utilisation of nutrients, water, CO2 and light to maximise growth efficiency in plants. This bio-stimulant was developed for application primarily as a foliar fertiliser, however it can also be applied through fertigation systems for salad and soft fruit crops. Hort-booster G is ideal for feeding or aiding stressed shrubs, flowers, trees, vegetables & fruit. It can be used on plants of all sizes & ages providing they are actively growing.

Amino acids are fundamental ingredients in a protein’s biosynthetic process- nearly twenty amino acids types are involved. Studies have shown that amino acids can directly or indirectly benefit a plants physiological activities. Use of amino acids is a known method to increase crop yield and quality. Even though plants have the capacity to biosynthesize all of the amino acids that they require from nitrogen, carbon oxygen and hydrogen, the process is quite complex and demanding. The presence of amino acids in Hort-booster G allows the plant to save energy on this process during critical growth stages.


Hort-Booster Amino Acid Package


L-Aspartic acid


L-Glutamic acid
















Hort-booster additionally contains Humic and Fulvic acids and soluble seaweed extract, rich in a wide range of organic biostimulants and organic nutrients.


Analysis w/w:

Total Nitrogen 1.48%, Ammonical N 1.08%,  Nitrate N 0.18%,  Organic N 0.22%,  Phosphorus (P2O5) 0.34%, Potassium (K2O)0.97%,  Magnesium (MgO)0.1%, Boron 0.027%, Copper 0.036%, Iron 1.1%,  Manganese 0.036%, Molybdenum 0.018%,  Zinc 0.036%,  Seaweed Extract 5%,  Humic Acid Complex 0.6%,  19 L-form Amino acids package 5%. 


Key Benefits: 

- Combines 19 essential amino-acids, humic acid complex, seaweed and major and minor nutrients.

- Ideal for use on stressed shrubs, flowers, trees, vegetables and fruit. 

- Can be used on plants of all ages and sizes. 

Our Recommendation:

- Always read the product label before use. 

- Save money and time and mix with Blue Dye to ensure no areas are missed or overdosed. 

- Use this product to aid stressed or stunted plants. 

- Only use when plants are actively growing. 

- If you require a mix with trace elements in it, look at Nutri-gem Liquid.

- Improve the pH of your soil by applying Granulated Lime

Brand Hort-booster G
Active Ingredient See analysis in description
LERAP Category Does Not Apply
Pack Size 5L
Pack Size Coverage Up to 1 hectare or 10,000m2
Knapsack Sprayer Rate 10-20ml per 10L of water
Boom Sprayer Rate Depends on crop, usually between 5-10L per hectare

Application Rates


Hort-booster is fast-acting with absorption into the crop within 12 to 24 hours. It can be used alone as a biostimulant or tank mixed with a wide range of products. Apply at 14 to 28 day intervals to maintain the effect.  One application early in the crop cycle is often of most benefit.

Application rate (foliar application):

Apply 5 to 20 litres/ha depending on crop size.  Dilute into 200 to 600 litres of water.

For small areas via knapsack sprayer etc. dilute at 2 to 5ml/litre and apply to run-off.

Application rate (fertigation):

Apply 1 to 3 litres of Hort-booster per ha in the fertigation solution.

If application is via a Dosatron or similar at 1% (1:100) dilution, apply 1 to 3 litres of HortiBoost per 100 litres of stock along with your normal fertigation feed every 1 to 2 weeks.

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