Lawnporn Root Builder+ 1L
Lawnporn Root Builder+ 1L
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A seaweed biostimulant that drives deep root growth for a tougher, greener lawn.
Better still, drives deep roots for a tougher lawn. And there's more. Helps grass handle drought and heat. Pushes roots without forcing soft top growth.
Apply it 50 to 100ml per 100 square metres in 5 to 15L water, so it's easy to work into your regular routine.
Full application rates are in the specs tab below. Bring us a photo of the patch if you want a hand picking the right feed.

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The detail
- Type: Seaweed lawn biostimulant
- Made from: Ecklonia Maxima seaweed
- Effect: Drives deep root development
- Benefit: Better drought, heat and traffic tolerance
- Size: 1 litre concentrate
- Rate: 50 to 100ml per 100 square metres in 5 to 15L water
- Tip: Start at the lower rate
- Suits: All grass types
Why it works
- Drives deep roots for a tougher lawn
- Helps grass handle drought and heat
- Pushes roots without forcing soft top growth
- Deeper roots reach more water and nutrients
- No need to water it in after applying
- Works across all grass types
Shipping and Returns
We pack and send your order with care, right here from our Strathalbyn store. Most parcels leave within 1–2 business days, and you'll get tracking as soon as it's on the way. If you're local, you can choose click-and-collect or our delivery service at checkout.
If something arrives damaged or not quite right, let us know within 14 days and we'll sort it quickly. You can return unused items in their original condition for a refund or store credit. For safety reasons, we can't accept returns on gas bottles, cut materials, or custom orders.
We're here to make things easy, so if you ever have a question about your delivery or a return, our team is only a call away.
Why you'll love shopping with us
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Advice from real gardeners
You’re getting guidance from people who’ve killed plants, learned the hard way, and kept going.
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Products that earn their space
If it doesn’t perform consistently in local gardens, it doesn’t stay on our shelves.
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Chosen for local conditions
Our team gardens here and tests products in real soil, heat, and weather