Fertiliser

- 6 deals
Fertiliser is a must have when it comes to your garden. Containing sources of plant nutrients, it’s designed to improve the supply of nutrients in soil, allowing your plants to thrive in their growth. Check out our latest fertiliser deals below.
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Grazers G3 Eco-Friendly Caterpillar & Butterfly Deterrent – 750ml Garden Spray

from £3.59 P&P

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  • Eco-Friendly Protection – Shields plants from caterpillars and butterflies without harming beneficial insects.
  • Safe for Wildlife & Pets – Non-toxic formula keeps your garden safe for children, pets, and pollinators.
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Maxicrop Original Seaweed Extract – Plant Growth Booster, 500ml

from £4.49 P&P

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  • Boosts Plant Growth – Encourages stronger roots and lush foliage with natural seaweed nutrients.
  • All-Season Resilience – Supports plants in thriving through challenging weather and soil conditions.
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Westland Fungus Guard RTU 800ml – Ready-to-Use Plant Disease Protection Spray

from £1.61 P&P

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  • Broad-Spectrum Disease Control – Shields roses, ornamentals, fruits, vegetables, shrubs, and greenhouse plants from black spot, mildew, rust, leaf spot, and more.
  • Ready-to-Use Formula – No mixing needed; simply spray for fast, even coverage and instant protection.
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Incredigrow Nourish & Nurture Plant Fertiliser 500g – High Calcium & Nitrogen Boost

from £4.49 P&P

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  • Rapid Nutrient Uptake – Specially formulated for fast absorption of calcium and nitrogen to support vigorous plant growth.
  • Prevents Common Disorders – Helps reduce blossom end rot, lettuce tip burn, and apple bitter pit for healthier crops.
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Incredigrow All Round Soluble Plant Feed 500g – Balanced NPK 20:20:20

from £4.49 P&P

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  • Professional-Grade Formula – Used by commercial growers for healthy, vigorous plants.
  • Balanced NPK 20:20:20 – Delivers equal Nitrogen, Phosphate & Potash for robust growth.
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Chempak Bonsai Fertilizer - Botanical Bliss

from £2.69 P&P

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  • Specially Formulated for Bonsai: High-phosphate, water-soluble formula tailored for bonsai needs.
  • Encourages Robust Growth: Essential trace elements promote vibrant foliage and healthy roots.

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Similar to Fertiliser

Fertiliser on Wowcher

Fertiliser helps provide essential nutrients that support healthier roots, stronger growth and improved flowering throughout the gardening season. Whether you are caring for lawns, flowers, vegetables or indoor plants, choosing the right fertiliser can help improve overall plant health and appearance.

FAQs

Why is fertiliser important for plants?
Fertiliser provides nutrients that can help support healthy plant growth, stronger roots and improved flowering or crop production. What is the difference between organic and chemical fertiliser?
Organic fertilisers are derived from natural materials, while chemical fertilisers are manufactured to provide specific nutrient combinations. How often should fertiliser be used?
The frequency of fertiliser use depends on the type of plant, soil condition and product instructions provided by the manufacturer. Can too much fertiliser damage plants?
Overusing fertiliser may harm plants by causing root damage or excessive growth, so following application guidelines is important.

Inspirations & Advice