Spring & Summer Fertilisers

Create a green space you want to spend time in with spring and summer fertilisers from ProGreen. In spring, plants benefit from a slightly higher nitrogen content to boost growth after the winter dormant period. Granular grass fertiliser delivers high levels of nitrogen, phosphate and potash to satisfy the demands of rapid spring growth.

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Amvista No. 3. Spring & Summer Fertiliser 20 kg
Amvista G3 Spring Summer Fertiliser 11-5-5 – Extended Longevity (20kg)
Amvista G3 Spring Summer Fertiliser 11-5-5 – Extended Longevity (20kg)
£39.00 Inc VAT
A1 Lawn Spring & Summer Fertiliser packaging on a white background
Lawn with text highlighting benefits on a green background
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A1 Lawn Ultimate Spring Summer Lawn Fertiliser 10-4-4+3fe (10kg, 280m²)
From £14.39 Inc VAT
Amvista No. 1. New Grass Fertiliser 20 kg
Amvista G1 New Grass Fertiliser for Pre-Seed or New Seed 6-9-6 (20kg)
Amvista G1 New Grass Fertiliser for Pre-Seed or New Seed 6-9-6 (20kg)
£30.60 Inc VAT
An image of a 10 litre bottle of Amvista Turf Boost Fertiliser
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Amvista L1 Turf Boost Fertiliser 18-5-10 – High Analysis for Growth (10L)
£42.90 Inc VAT
Amvista Long Life (28-5-15) Fertiliser 20 kg
Amvista G6 Long Life Fertiliser for Established Grass 28-3-15 (20kg)
Amvista G6 Long Life Fertiliser for Established Grass 28-3-15 (20kg)
£50.40 Inc VAT
A1 Lawn New Grass Pre-Seed and Pre-Turf Fertiliser 6-9-6 (10kg, 280m²)
A1 Lawn New Grass Pre-Seed and Pre-Turf Fertiliser 6-9-6 (10kg, 280m²)
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A1 Lawn New Grass Pre-Seed and Pre-Turf Fertiliser 6-9-6 (10kg, 280m²)
From £13.19 Inc VAT
Amvista G0 Kick-Start Fertiliser 10-4-4 + Seaweed (20kg)
Amvista G0 Kick-Start Fertiliser 10-4-4 + Seaweed (20kg)
Amvista G0 Kick-Start Fertiliser 10-4-4 + Seaweed (20kg)
£39.00 Inc VAT
Maxicrop Fine Turf & Lawn Fertiliser 10 L
Maxicrop Fine Turf & Lawn Fertiliser 10 L
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Maxicrop No 4 Fine Turf and Lawn Fertiliser with Seaweed (10L, 1500m²)
£60.48 Inc VAT
A1 Lawn Ultimate Slow Release Lawn Fertiliser 14-1-7+2Fe (10kg, 200m²)
A1 Lawn Ultimate Slow Release Lawn Fertiliser 14-1-7+2Fe (10kg, 200m²)
A1 Lawn Ultimate Slow Release Lawn Fertiliser 14-1-7+2Fe (10kg, 200m²)
£40.00 Inc VAT
Amvista Liquid Slow Release Fertiliser
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Amvista L3 Colour Boost Fertiliser with Iron 15-0-10+Fe (10L)
£52.80 Inc VAT
Amvista Longlife 18-22-5
Amvista G5 Long Life Fertiliser for Younger Grass 18-22-5 (20kg)
Amvista G5 Long Life Fertiliser for Younger Grass 18-22-5 (20kg)
£39.95 Inc VAT
An image of a 10 litre bottle of Amvista Turf Boost Fertiliser
Amvista L5 Slow Release Liquid Fertiliser 18-3-6 + Trace Elements (10L)
£57.07 Inc VAT
Amvista Liquid Organic Fertiliser
Amvista Liquid Organic Fertiliser
Amvista L6 Turf Boost Organic Fertiliser 7-2-2 (10L)
£51.99 Inc VAT
Amvista Long Life Fertiliser 46-0-0
Amvista G7 Long Life Fertiliser 46-0-0 – Rapid Turf Repair (20kg)
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Amvista G7 Long Life Fertiliser 46-0-0 – Rapid Turf Repair (20kg)
£35.59 Inc VAT
An image of a 10 litre bottle of Amvista Turf Boost
Amvista L7 Summer Boost Liquid Fertiliser for New Grass 10-5-10 (10L)
£44.34 Inc VAT

Spring & Summer Fertiliser Products

Our granular grass fertiliser range delivers high levels of nitrogen, phosphate and potash to satisfy the demands of rapid spring growth.

The higher-strength, long-life spring and summer lawn fertiliser is resin-treated to 'trickle feed' nutrients over 3–4 months, ensuring your grass stays greener for longer.

Once autumn begins, it's time to move on to autumn and winter fertilisers. A winter grass fertilizer for the lawn helps strengthen the roots, repairing damage from increased wear and tear during the summer.

Spring & Summer Lawn Fertiliser Equipment

Accurately cover larger areas in less time with our extensive range of fertiliser spreaders and related equipment. Using a spreader from a reputable supplier ensures even coverage of fertilizer for the lawn, and reduces the risk of root burn (this would require you to get a new lawn!).

Frequently Asked Questions

When should I apply lawn fertiliser on grass in spring?

Spring and summer fertilisers can generally be applied during the months of April through to August when the temperatures are warmer. Fertilizers for the lawn shouldn't be applied during periods of environmental stress, such as frosts or droughts.

How long do spring lawn fertilisers last?

This depends on the fertiliser. Our Amvista G3 offers an extended feeding period of 8–10 weeks, whereas a long-life fertiliser, such as Amvista G6 gives prolonged release over 4–5 months, an ideal fertilizer for the lawn where treating established grass.

How do I apply lawn fertiliser?

For best results when applying spring and summer lawn fertiliser, follow our top tips:

  • Use a spreader from a trusted company to ensure even coverage.
  • Always ensure the soil is moist, as this improves nutrient uptake. If there is no rain for 48 hours after application, water the grass.
  • Mow the lawn before applying and wait a minimum of 24 hours before adding the fertiliser treatment.
  • Apply less fertiliser in shady areas.
  • Remove unwanted organic matter (dead leaves, twigs, moss, etc.).
  • Make sure the soil is aerated to enhance nutrient intake. For smaller properties, poking holes in the soil should help it breathe.
  • Avoid cutting the grass for three days after applying fertiliser.

Need more advice when applying fertilizer for the lawn? Don't hesitate to contact the team at ProGreen. We’re here to help you find the best fertiliser for your requirements.