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Sul-Fe – Blackens Moss and Greens Up Lawns (1kg, 4kg)
Sul-Fe – Blackens Moss and Greens Up Lawns (1kg, 4kg)

Sul-Fe – Blackens Moss and Greens Up Lawns (1kg, 4kg)

£10.80 Inc VAT
SKU: SUL-FE1KG
  • Rapidly blackens and controls lawn moss
  • Promotes a greener, healthier-looking lawn
  • Helps improve the appearance of moss-affected lawns
  • Suitable for use during periods of active grass growth
  • Supports stronger lawn recovery after moss removal

Sul-Fe is a great product, effectively controlling moss in lawns and turf as it greens up grass and blackens moss in one go.

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Product Detail

Sul-Fe Moss Control for Lawns - Blackens Moss & Greens Up Grass

Keep your lawn looking healthy, tidy and well-maintained with Sul-Fe Moss Control. This effective ferrous sulphate treatment quickly blackens unwanted moss while encouraging a richer, greener lawn appearance.

Moss is a common problem throughout the year, particularly in shaded, damp areas of the garden. It can quickly spread across lawns and often appears alongside moss growth on patios, paths, driveways and other outdoor surfaces. Tackling moss early helps prevent it from taking over valuable lawn space and improves the overall appearance of your garden.

The warmer growing months provide an ideal opportunity to control moss and support stronger grass growth. As grass becomes more active, lawns are better able to fill in areas previously occupied by moss, helping to create a denser, healthier-looking sward.

Ideal For

  • Lawns with visible moss patches
  • Damp or shaded garden areas
  • Spring and summer lawn care routines
  • Preparing lawns for regular mowing and garden use
  • Maintaining a neat, well-kept outdoor space

Seasonal Lawn Maintenance

As temperatures rise, moss can become more noticeable following wet weather and prolonged periods of shade. Regular treatment helps keep lawns looking their best while reducing the need for extensive renovation later in the season. Combined with good mowing, feeding and aeration practices, Sul-Fe helps homeowners maintain a greener, healthier lawn throughout the growing season.

Why Treat Moss Early?

Removing moss before it spreads allows grass to make better use of available water, nutrients and light. Early intervention helps improve lawn appearance, encourages stronger grass coverage, and contributes to a cleaner, more attractive garden overall.

* Always follow the Usage guide and Aftercare advice

Active Ingredient: 19% sulphate of iron

  • 1kg pack Sul-Fe covers 500m²
  • 4kg pack Sul-Fe covers 2000m²
  • Mix 1kg Sul-Fe with 20L water to cover 500m²
  • Dilute Sul-Fe powder with water in a sprayer for application as a liquid, giving green lawns without lush grass growth
  • Fill container 1/3rd full, add required amount of Sul-Fe powder, agitate and top up to the required level with the remaining water needed
  • It is advisable to put the Sul-Fe powder in a permeable bag (an old sock or pair of tights is fine) to catch any undissolved sediment
  • Sul-Fe keeps well when sealed in the container and kept in a cool place
  • May stain hard surfaces

After using Sul-Fe – Blackens Moss and Greens Up Lawns, follow all label recommendations, clean equipment thoroughly, and monitor the treated area to ensure the product has performed as expected.

Orders placed by 1pm Monday to Friday are typically delivered within 3 to 5 working days (express delivery 1 to 2 days).

Mainland UK orders up to 15kg

  • FREE delivery on orders over £50
  • Orders under £50: £6.99
  • Express delivery: £10.99

Orders over 15kg

  • Delivery is calculated by weight and postcode and starts from £10.99
  • Express delivery is available on heavier orders for an additional charge

Click & Collect

FREE same day Click & Collect is available on the majority of our products from our Peterborough head office. Simply call our team on 0330 165 5568 to order and arrange collection.

For full delivery charges, pallet deliveries and delivery regions, view our delivery page.

What is Sul-Fe used for?
Sul-Fe is a great product for controlling moss in lawns - Sulphate of Iron blackens moss and greens up the grass.
How should I use Sul-Fe safely and effectively?
Sul-Fe should always be used at the correct rate and in line with the instructions supplied with the product.
Is it safe for people and pets around treated areas with Sul-Fe?
People and pets should be kept away from treated areas until sprays have dried or granules have been watered in, as appropriate for the product.
Do I need protective equipment when using Sul-Fe?
Always wear appropriate personal protective equipment when handling and applying Sul-Fe.
Sul-Fe – Blackens Moss and Greens Up Lawns (1kg, 4kg)
Sul-Fe – Blackens Moss and Greens Up Lawns (1kg, 4kg)