Leek Liquid Fertiliser - Set 5x1 liter
Leek Liquid Fertiliser - Set 5x1 liter
Couldn't load pickup availability
Enhanced Shaft Development and Leaf Strength
Organifer Leek Liquid Fertiliser supports robust growth and long, well-formed shafts in leeks (Allium ampeloprasum var. porrum), a mild and sweet vegetable prized across European cuisine. The potassium-rich 2-1-8 formulation strengthens the cylindrical white base, improves leaf rigidity, and supports healthy extension of the tender light-green portion. This leads to higher-quality harvests with uniform shape and firm texture suitable for soups, stews, sautés, and gourmet dishes.
Improved Root Activity and Steady Nutrient Uptake
Leeks require a strong, active root system to sustain their long vegetative growth period. The liquid fertiliser enhances soil life and nutrient penetration, while amino acids stimulate early root formation, improving uptake efficiency throughout the season. These benefits help leeks maintain consistent growth, resist environmental fluctuations, and develop a smoother, longer edible shaft with fewer interruptions in development.
Superior Leaf Colour, Texture, and Plant Resilience
A balanced nutrient supply is essential for producing the deep green, sturdy leaves that protect the shaft and contribute to plant health. The gentle 2-1-8 profile improves chlorophyll density, resulting in darker, healthier foliage that fuels strong growth. Amino acids enhance metabolic activity, supporting resilience against stress, nutrient fluctuations, and weather variation. This leads to improved flavour, cleaner bulbs, and better suitability for storage and kitchen use.
Properties
✔ Supports long, uniform shaft development in leeks
✔ Enhances root vitality and nutrient uptake with amino acids
✔ Improves leaf texture, colour, and structural strength
✔ Prevents weak, over-soft growth caused by excess nitrogen
✔ Vinasse-free formulation ensures clean, residue-free feeding
✔ Strengthens resilience against moisture fluctuations and stress
✔ Suitable for summer, autumn, and winter leek varieties
✔ Promotes efficient photosynthesis for steady leaf-driven growth
✔ Supports high-quality harvests with excellent flavour and storage potential
✔ Ideal for garden beds, allotments, and professional vegetable production
Composition
2.0% Total nitrogen (N)
1.0% Total phosphorus pentoxide (P₂O₅)
8.0% Total potassium oxide (K₂O)
40% Dry matter
35% Organic matter
0.1% Magnesium oxide (MgO)
0.1% Calcium oxide (CaO)
pH: 5.5–6.0
Optimised Growth for Cleaner, Higher-Quality Harvests
The organic formulation provides controlled feeding that prevents excessive nitrogen-driven softness, which can lead to weak shafts and poor storability. The improved nutrient balance helps leeks maintain firm tissue structure, reducing breakage during handling and improving the vegetable’s cooking quality. When combined with proper hilling, this fertiliser promotes longer shafts with more usable white material and less waste.
Suitable for Home Gardens, Professional Production, and Year-Round Cultivation
Organifer Leek Liquid Fertiliser adapts well to raised beds, garden rows, tunnel systems, and commercial field production. Its vinasse-free organic profile prevents residue buildup and supports clean feeding for long-season crops. Whether producing summer leeks, autumn leeks, or winter hardy varieties, the fertiliser maintains a stable growth pattern and high plant vitality from early establishment to final harvest.
Dosage
Number of applications: 3–6
Start: At early growth
Repeat: Every 10–14 days
Foliar spraying: 3–7 ml per 1 litre of water
Fertigation: 1–2 ml per 1 litre of water
Standard dose: 5–9 L per ha
Maintain stable soil moisture to support steady shaft elongation. Provide adequate calcium and magnesium to strengthen leaf and shaft structure. Avoid excessive nitrogen, as it reduces firmness and storage potential. Hill soil around the developing shaft regularly to increase the edible white portion. Maintain good airflow through plant rows to minimise fungal pressure and improve overall crop quality.
Storage
When stored under stable, frost-free conditions and protected from direct sunlight, this liquid fertiliser maintains its quality for an extended period. Closed containers preserve the formulation effectively, while any diluted solution should be used promptly to ensure optimal performance and purity.
Key Features

Description

How & When to Use

Composition


Dosage

Storage
Products that really help your garden thrive
Before
After
Stronger Growth.
Greener Results.
Naturally.
Lush green lawns and vibrant gardens start with stronger plant growth. Healthier soil delivers fuller foliage, deeper colour and long lasting vitality. The result is a safer, more balanced environment where plants thrive and green spaces reach their full potential.
Client Reviews
Why choose Organifer?
Soil-first performance
Healthier soil for stronger, greener growth
For every garden
Perfect for lawns, vegetables, flowers, pots and trees.
Trusted by professionals
Consistent results season after season.
Bestsellers
Our most-loved products for greener lawns and healthier soil
Lawn Fertiliser All-In-One(20 kg - for 400 m2)
Choose your option
Diatomaceous Earth - 100% Pure - Ultra Fine Powder (25-litre bag - 10 kg)
Choose your option
Lime Fertiliser with Magnesium (20 kg – for 400 m2)
Choose your option
Lava Grit from Eifel Primordial Rock (20 kg for 200 m2)
Choose your option
Lavameal from Eifel Primordial Rock (20 kg – For 200 m2)
Choose your option
Follow us on Instagram

























