Greenkeeper's Secret

£19.99 £17.95

A liquid bio-stimulant and fertiliser lawn feed that increases the strength, health, and appearance of your lawn. Envii Greenkeeper’s Secret also acts as a Stress Support System, stopping your lawn from becoming damaged by drought and excessive rainfall so easily.

Free UK 48hr Delivery | Order before 3pm for same day dispatch

Greenkeeper’s Secret is a professional-grade liquid grass fertiliser designed to enhance your lawn's strength, health, and appearance. Used by greenkeepers and gardeners, this product not only nourishes your grass but also helps improve its growth, acting as a stress support system to protect against harmful factors like extreme heat, drought, overuse, pet urine stains, and excessive rainfall. Whether your lawn is suffering from heat stress, drought, or damage caused by heavy foot traffic, Greenkeeper’s Secret provides the care it needs to thrive.

The convenient foliar spray ensures even coverage, delivering visible results within 7-10 days. Free from harmful chemicals, it is safe for pets and children, and overspray onto flower beds poses no harm, actually benefiting plant growth. Although it’s safe for everyone, we recommend allowing the product to soak in for an hour before letting kids and pets back onto the lawn.

Available in various sizes, including a highly concentrated 100ml refill that covers 150m², Greenkeeper’s Secret offers an eco-friendly solution. The refill comes in a sustainable packet, reducing packaging waste by up to 95%. This makes it effective for your lawn and a more environmentally conscious choice.

  1. For best results, Water the grass first or use after rainfall
  2. Screw hose end sprayer onto bottle and attach hosepipe.
  3. Apply lightly to grass; do not flood area. Over-spraying onto flower beds is safe and beneficial
  4. Keep children & pets away for 1 hour to allow the product to soak
  5. Reapply every 2-4 weeks.
  6. For watering can method - use 10ml per 5L of water - covers 6m2
  • Promotes strong growth
  • Visible Results in Just 7 Days
  • Pet & Child Friendly
  • Covers up to 150m²
  • Easy to use hose end sprayer
  • Safe for all plants
  • Balanced NPK: 3.5-2-2

If you have any questions, or need any advice, call us on 01246 240880, or email us info@envii.co.uk

£19.99 £17.95

Frequently Asked Questions

New seed will not need feeding until it has started to germinate. However, as Greenkeeper's Secret does not contain high levels of nitrogen, it can be applied in as little as 7 days after overseeding.

Once you have opened Envii Greenkeeper's Secret, we recommend you use the product within 12 months.

Wait 24 hours after applying Envii Greenkeeper's Secret before cutting the lawn.

You can use this as soon as the lawn has been laid. We recommend doing a light spray on the first application.

Key Ingredients

  • Seaweed

    Our seaweed, Ascophyllum nodosum, is sustainably grown and harvested along the rugged Irish coast in the cold, powerful Atlantic Ocean. The resilience this seaweed develops in such harsh conditions is transferred directly to your plants, empowering them to thrive even in the toughest droughts or cold weather.

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Get in Touch

Telephone 01246240880

Priority Delivery

Free UK 48hr Delivery

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Same Day Dispatch

On all orders placed before 3PM