Fertilizer

Buy Fertilizer: High-Quality Plant Nutrients for Healthy Plants

The right fertilizer is the key to vigorous plants, lush green foliage, and abundant harvests. For optimal development, plants require a carefully balanced supply of essential nutrients that substrates alone often cannot provide over the long term. Our range includes a targeted selection of professional fertilizers for every application—from traditional home gardening to specialized indoor growing projects. Find the ideal nutrient system for your needs.

Weiterlesen ↓

Houseplant Fertilizer

Houseplant Fertilizer for Healthy Growth and Lush Indoor Plants...

Garden Fertilizer

Buy Garden Fertilizer: The System Concept for Vital Soil A...

Grow Nutrients

Grow Nutrients: Professional Indoor Cultivation System Your...

Fertilizer by Growing Medium

Fertilizer by Growing Medium: Your Guide to the Optimal Nutrient...

Top

Compo Gartenkraft dolomite lime

If your lawn is struggling with heavy moss and your garden plants are showing yellow leaves despite regular watering, an acidic, calcium-deficient soil is likely the culprit. Compo Gartenkraft Dolomite Lime solves this issue with a powerful dual-action formula: it neutralizes harmful soil acidity while delivering vital calcium and magnesium in a single application. If you are looking to buy premium dolomite lime, this is your professional solution to restore a perfectly balanced, vibrant home garden.

🌱 Dual Cal-Mag Complex: Safely stabilizes soil pH levels and unlocks locked-up nutrients for immediate root absorption.
⚡ Combats Moss & Lawn Yellowing: High-purity magnesium fuels chlorophyll production, restoring a deep, vibrant green to your turf.
🧪 Structural Plant Strength: Rich in natural calcium to reinforce plant cell walls, significantly boosting drought and disease resistance.
🌿 Dust-Free Application: Specially calibrated, fine granules ensure clean, even distribution by hand or mechanical push-spreader.
❄️ Weather-Flexible Season Start: Highly versatile and effective for late autumn soil maintenance or early spring garden prep.

SKU:

20200729368

Variations in:

Quantity

HAN:

20200729368

Manufacturer:

Compo

from

3,95 € *

Available immediately

Go to item

In stock

K+S EPSO Top epsom salt

K+S EPSO Top Bittersalz at a glance

16% magnesium (MgO) & 32.5% sulfur (SO₃)
100% water-soluble and fast-acting
Effective against magnesium deficiency & chlorosis
Suitable for foliar and soil application
Ideal for conifers, crops & vegetables
High purity and versatile use

SKU:

20200722252

Variations in:

Quantity

HAN:

20200722252

Manufacturer:

K+S

from

2,76 € *

Available

Go to item

In stock

GK-Organics Seaweed Powder

GK-Organics® Seaweed Powder

🌿 100% vegan & organic soil enhancer
💧 Improves moisture balance & soil quality
🌱 Stimulates root and plant growth
🛡️ Strengthens plants & protects against stress
📦 Available in 0.5L – 25L

SKU:

20200728346

Variations in:

Content

HAN:

20200728346

Manufacturer:

Guanokalong

from

15,11 € *

Available

Go to item

In stock

Terra Aquatica Silicate

Terra Aquatica Silicate – Natural Strength with Silicic Acid

🌱 Mineral-based plant strengthening agent with 84% silicate salts
🧪 Successor to GHE Mineral Magic
🛡️ Stabilizes pH and EC, protects against heavy metals
💧 Suitable for soil, foliar, and nutrient solution use
🌿 Provides silicic acid & ortho-silicic acid

SKU:

202007031

Variations in:

Content

HAN:

202007031

Manufacturer:

Terra Aquatica

Content: 1L 1L19,49 € (19,49 € per l)

5L 5L54,82 € (10,96 € per l)

from

19,49 € *

Available

This item has variations. Please select the requested variation.

In stock

Green House Feeding BioEnhancer

SKU:

202409201142

Variations in:

Content

Manufacturer:

Green House Feeding

from

8,77 € *

Available

Go to item

Items 1 - 5 of 5

The Essentials of Plant Nutrition

High-quality fertilizers effectively compensate for nutrient deficiencies in soils and growing media. They ensure that your plants receive exactly the nutrients they need during every stage of development for strong cell formation, healthy root growth, and vigorous flower or fruit production.

⚡ Find the Right Fertilizer in 3 Seconds:

🔵 For your indoor houseplants? → Choose our specialized houseplant fertilizer for long-lasting vitality.
🟢 For garden beds, shrubs, and lawns? → Use soil-enhancing garden fertilizer for thriving outdoor plants.
⚪ For ambitious indoor growing projects? → Choose specialized grow fertilizers for optimized plant development.

What Types of Fertilizers Are Available?

To meet the diverse requirements of ornamental and edible plants, our range is divided into several functional fertilizer categories. Each type offers unique benefits:

Organic Fertilizers: Made from natural raw materials, provide long-lasting nutrition, and sustainably improve soil biology.
Mineral Fertilizers: Contain immediately available nutrients and allow highly precise nutrient management.
Liquid Fertilizers: Easily applied through irrigation water and ideal for the regular feeding of potted plants.
Granular & Slow-Release Fertilizers: Incorporated into the growing medium and provide a steady nutrient supply for weeks.

Choose by Application: Our Product Categories

To help you quickly find the perfect fertilizer for your plants, our main category is divided into four clearly defined specialty areas:

Indoor & Hobby

🌱 Houseplant Fertilizers

Gentle nutrient formulas for beautiful foliage plants, orchids, and sensitive indoor crops.

→ View Houseplant Fertilizers

Outdoor & Food Crops

🏡 Garden Fertilizers

Reliable liquid and granular fertilizers for productive vegetables, healthy shrubs, and dense green lawns.

→ View Garden Fertilizers

High Performance & Yield

🚀 Grow Fertilizers

Specialized nutrient systems for indoor growing and controlled cultivation environments.

→ Discover Grow Fertilizers

Substrate Specific

🧪 By Growing Medium

Specialized fertilizers tailored to the chemical properties of different cultivation systems and substrates with unique nutrient dynamics.

→ Find Medium-Specific Fertilizers

Quick Comparison: Fertilizer Classes at a Glance

The best fertilizer depends primarily on your cultivation style and the desired duration of effect. Use this overview for quick guidance:

Fertilizer Class	Your Main Advantage
Organic Fertilizer	High tolerance to dosing mistakes and sustainable protection of the soil ecosystem.
Mineral Fertilizer	Immediately available nutrients for fast and highly precise nutrient control.
Slow-Release Granules	Minimal maintenance thanks to continuous nutrient release over many weeks.

Navigation Tip: Detailed dosing guides, information on specific growth stages, and solutions for nutrient deficiencies can be found directly within our specialized subcategories.

Frequently Asked Questions About Fertilizers (FAQ)

1. How do I find the right fertilizer for my plants?
Start with the plant type and growing location. Liquid specialty fertilizers are ideal for houseplants and balcony plants. Slow-release granules work best in garden beds. For demanding indoor crops in controlled environments, choose the specialized nutrient systems available in our dedicated categories.
2. When is the best time to fertilize plants?
The main fertilizing season coincides with the natural growing period, typically from spring through autumn. During this time, plant metabolism is active and nutrient demand is high. During winter dormancy, fertilization should generally be reduced significantly or stopped altogether.
3. How should liquid and granular fertilizers be stored?
Fertilizers should be stored in a cool, dry, dark, and frost-free location. Direct sunlight can alter chemical compounds and organic ingredients. Always keep containers tightly sealed and out of reach of children.
4. When is an organic fertilizer better than a mineral fertilizer?
Organic fertilizers are ideal for natural soil cultivation because they stimulate beneficial soil life and are more forgiving of dosing errors. Mineral fertilizers excel when immediate nutrient availability and precise nutrient control are required.
5. Which fertilizer is best for beginners?
Organic liquid fertilizers and pre-mixed slow-release granules are usually the easiest options for beginners. Since they release nutrients gradually, the risk of severe overfertilization is much lower than with highly concentrated mineral fertilizers.