fertilizer

91 products

  • A green plastic bottle from Neudorff Shop Azet Citrus & Mediterranean Plant Liquid Fertilizer with a yellow cap, 100% vegan, made from 90% recycled material, ideal for lemons, oleander, and other Mediterranean plants.
    Vendor:
    Neudorff Shop

    Azet citrus & Mediterranean plants liquid fertilizer

    Regular price From ¥1,341 JPY
    Sale price From ¥1,341 JPY Regular price
  • On a green plastic bottle of Neudorff Shop Azet Universal Liquid Fertilizer with a yellow cap, labeled "For all plants" and "100% organic vegan", vegetables and flowers are depicted, emphasizing the balanced nutrient ratio.
    Vendor:
    Neudorff Shop

    Azet universal liquid fertilizer

    Regular price From ¥1,341 JPY
    Sale price From ¥1,341 JPY Regular price
  • A white spray bottle with a pump attachment labeled "Homeopathic Orchid Elixir" for orchid care is adorned with pink orchids and the Neudorff Shop logo above the label, indicating the product as a plant care product.
    Vendor:
    Neudorff Shop

    Homeopathic orchid elixir

    Regular price ¥2,064 JPY
    Sale price ¥2,064 JPY Regular price
  • The Neudorff Shop tree protection set is characterized by its distinctive green-yellow branding. Both the organic tree paint bottle and the caterpillar and ant glue ring can feature tree motifs with green tape for tree protection.
    Vendor:
    Neudorff Shop

    Tree protection set

    Regular price ¥4,129 JPY
    Sale price ¥4,129 JPY Regular price
  • A green bottle of Neudorff Shop Azet Liquid Balcony Plant Fertilizer with a yellow cap is labeled with flowers and German text, ideal for all balcony plants like summer flowers and window boxes.
    Vendor:
    Neudorff Shop

    Azet balcony plant fertilizer liquid

    Regular price From ¥2,064 JPY
    Sale price From ¥2,064 JPY Regular price
  • A green plastic bottle of Neudorff Shop Ferramin iron fertilizer with a yellow cap bears the label "natural iron fertilizer" and is intended as iron fertilizer and lawn fertilizer for ornamental plants and lawns against nitrogen deficiency.
    Vendor:
    Neudorff Shop

    Ferramin iron fertilizer

    Regular price ¥3,096 JPY
    Sale price ¥3,096 JPY Regular price
  • Azet Autumn Lawn Fertilizer
    Vendor:
    Neudorff Shop

    Azet Autumn Lawn Fertilizer

    Regular price From ¥2,890 JPY
    Sale price From ¥2,890 JPY Regular price
  • A rectangular box of Azet Tomato Fertilizer from Neudorff Shop with tomato images, branding, and German text highlights the organic formula for long-term fertilization and abundant tomato harvests.
    Vendor:
    Neudorff Shop

    Azet tomato fertilizer

    Regular price From ¥1,650 JPY
    Sale price From ¥1,650 JPY Regular price
  • Organic tree paint
    Vendor:
    Neudorff Shop

    Organic tree paint

    Regular price ¥2,993 JPY
    Sale price ¥2,993 JPY Regular price
  • A green plastic bottle of Azet Liquid Rose Fertilizer from Neudorff Shop, a liquid rose fertilizer. The label features roses and product details, indicating that it makes 200 liters of watering solution for optimal rose care.
    Vendor:
    Neudorff Shop

    Azet rose fertilizer liquid

    Regular price ¥2,064 JPY
    Sale price ¥2,064 JPY Regular price
  • A green bottle of Neudorff Shop Azet Tomato & Vegetable Fertilizer liquid, a liquid fertilizer perfect for tomatoes and balcony vegetables. The label features tomatoes, vegetables, and a red inscription: "For all tomato plants.
    Vendor:
    Neudorff Shop

    Azet tomato & vegetable fertilizer liquid

    Regular price ¥2,064 JPY
    Sale price ¥2,064 JPY Regular price
  • Azet LawnGreen from Neudorff Shop comes in a green plastic bottle (90% recycled), yellow cap, grass image, and is a lawn care concentrate for 10 m², promising lush green grass in just 4 days.
    Vendor:
    Neudorff Shop

    Azet Lawn Green

    Regular price ¥3,096 JPY
    Sale price ¥3,096 JPY Regular price
  • Front view of a 1 kg package of Neudorff Shop Azet Rose Fertilizer, an organic rose fertilizer. The packaging features blooming roses and advertises benefits such as increased resistance and vibrant blooms.
    Vendor:
    Neudorff Shop

    Azet rose fertilizer

    Regular price From ¥1,712 JPY
    Sale price From ¥1,712 JPY Regular price
  • Azet VeggieFertilizer from Neudorff Shop is an organic and vegan fertilizer. The packaging shows various vegetables with green, yellow, and red German labels highlighting the product details.
    Vendor:
    Neudorff Shop

    Azet Veggie Fertilizer

    Regular price ¥1,857 JPY
    Sale price ¥1,857 JPY Regular price
  • Azet Potassium Fertilizer from the Neudorff Shop is an organic fertilizer for all garden plants, prevents potassium deficiency, covers up to 100 m², and shows pictures of vegetables and flowers - ideal for fertilizing plants.
    Vendor:
    Neudorff Shop

    Azet potassium fertilizer

    Regular price ¥3,303 JPY
    Sale price ¥3,303 JPY Regular price

Fertilizer - for healthy growth and strong plants

A nutrient-rich soil is the foundation for vigorous growth, vibrant blooms, and a bountiful harvest. Fertilizer provides plants with exactly the nutrients they need for healthy development - from seedlings to full maturity. Whether in the garden, on the balcony, or in professional cultivation: The right fertilizer ensures optimal conditions and sustainably strengthens plants from within.

High-quality fertilizers not only improve nutrient supply but also soil structure. They promote root formation, increase resistance to diseases, and help maintain a balanced soil life in the long term.

 

This is what distinguishes high-quality fertilizer

A good fertilizer convinces with a balanced composition and easy application. Depending on the type of plant and season, plants require different nutrients - nitrogen, phosphorus, potassium, and trace elements are the most important building blocks.

In addition to classic mineral variants, organic and biological fertilizers are gaining importance. They act gently, promote soil life, and contribute to sustainable gardening.


Advantages of modern fertilizers at a glance:
  • Promote vigorous plant growth and root formation
  • Strengthen resistance to pests and diseases
  • Improve soil structure and nutrient absorption
  • Environmentally friendly and effective in the long term
  • Suitable for gardens, houseplants, and professional cultures

An example of natural plant nutrition is the liquid Neudorff Azet Universal Fertilizer, which contains all important nutrients and is suitable for almost all plants. The Neudorff Azet Citrus & Mediterranean Fertilizer ensures healthy leaves and aromatic fruits in Mediterranean plants with organic components. For sustainable soil revitalization, the Neudorff Sandy Soil Improver is recommended, which loosens the structure and improves water retention - ideal for sandy soils.


Application and practical tips for optimal fertilization

The correct application of fertilizer is crucial for success. Too much can harm plants just as much as too little. Therefore, the recommended dosage and the individual needs of the plants should always be considered.

Tip:

  • Spring: Initial fertilization for vigorous growth and new shoots
  • Summer: Subsequent fertilization to support flowering and fruit formation
  • Autumn: Potassium-rich fertilization strengthens plants for winter
  • Year-round: Liquid fertilizers or organic alternatives for potted and indoor plants

When applying, it is important to distribute fertilizer evenly in the root area and then water well. Liquid fertilizers can be conveniently administered through the irrigation water, while granules and pellets are ideal for beds or lawns.

Organic fertilizers work more slowly but more sustainably, as they enrich the soil with humus and promote natural soil life. This creates a healthy balance that ensures strong and resilient plants in the long term.


Sustainability Meets Effectiveness – Your Partner for High-Quality Fertilizers

Fertilizer is much more than a nutrient source – it is a key to sustainable plant care and healthy garden culture. With the right products, the balance between powerful supply and environmentally conscious action is achieved.

In addition to fertilizers, you will find many other product areas at Altruan that perfectly complement your gardening and care work:

Altruan stands for quality, sustainability, and expertise. With high-quality fertilizers and complementary accessories, you create ideal conditions for strong plants, blooming gardens, and healthy harvests – year after year.

Why is fertilizer important for plants?

Fertilizer provides plants with essential nutrients such as nitrogen, phosphorus and potassium. These promote growth, flowering and fruit formation and prevent deficiency symptoms that can lead to weak or diseased plants.

What types of fertilizer are there?

There are mineral, organic and biological fertilizers. Mineral ones work quickly, organic ones promote long-term soil health. Biological fertilizers combine both advantages and are particularly environmentally friendly.

How often should you fertilize?

This depends on the type of plant and the season. In spring and summer, regular fertilization is usually carried out every two to four weeks. Houseplants can be supplied with liquid fertilizer at longer intervals all year round.

Are organic fertilizers better for the environment?

Yes, organic fertilizers are made from natural raw materials and sustainably promote soil life. They improve humus formation and reduce the risk of over-fertilization - ideal for ecologically conscious gardeners.