Liquid seaweed for lawns is absorbed directly through the grass leaves, making it one of the fastest ways to green up between your main seasonal feeds. Conventional liquid grass feeds work well for a rapid boost - but they come with timing restrictions, dry-weather warnings and a scorch risk that limits when you can apply them.

Our organic seaweed fertiliser sidesteps all of that, with a much wider application window and benefits that go well beyond a short-term colour hit. 

Liquid
seaweed isn't a conventional lawn fertiliser - it's a biostimulant, and that makes it one of the most versatile and low-risk products you can add to a lawn care routine. Applied consistently hrough the season, it delivers: 

• Stronger root development - deeper roots mean better drought tolerance through dry spells 
• Richer, greener grass - chlorophyll precursors improve colour without a
  nitrogen surge 
• Improved soil biology - feeds the microbial life beneath your turf for long-term sward health 
• Faster recovery - particularly effective after scarification and overseeding in autumn 

Used alongside your existing seasonal lawn feed programme, it makes everything else work harder. 

Dilution:

10ml per litre of water - one standard cap per 5-litre watering can.

Application:

Apply as a foliar spray using a garden or knapsack sprayer for even coverage, or water directly into the root zone using a watering can. Both methods are effective; the sprayer is faster for larger areas.

Frequency:

Every two to three weeks from March through to October. Monthly through winter for ongoing stress resistance.

Conditions:

Apply liquid seaweed in the early morning or on an overcast day. Avoid application in direct hot sun. Allow the surface to dry before pets and children return to the lawn. Do not apply to newly seeded grass until it has been mown at least twice.

• Richer, deeper green colour within 7–10 days of first application  
• Stronger root system over the first season of use - turf becomes noticeably more drought-tolerant
• Improved recovery after carification, heavy wear or overseeding
• Reduced boom-and-bust growth cycle compared to synthetic nitrogen feeds
• Healthier soil biology beneath
  the turf, measurable over a full growing season
• No scorch risk - safe to apply
  throughout the summer months when conventional liquid lawn fertilisers cannot
  be used

• All grass types including fine ornamental turf, family lawns and sports surfaces
• Direct application to actively growing lawn grass throughout the season
• Use via watering can, knapsack sprayer, hose-end applicator or boom sprayer
• Amenity turf, golf courses, bowling greens and sports grounds
• Safe for pets and children once the treated surface has dried

Our liquid seaweed for grass is produced in Britain using seaweed sustainably harvested from clean coastal waters. Every batch is cold-pressed to preserve the full bioactive profile - no heat extraction, no synthetic additives, no compromise on quality. Certified organic by Organic Farmers & Growers (OF&G) and fully compliant for use on certified organic holdings, it's the lawn fertiliser you can apply with complete confidence.

Managing amenity turf, a sports ground or multiple properties? Our seaweed for lawns is available in commercial volumes from 200L drums to 1000L IBC, compatible with standard boom and knapsack sprayer equipment. Bespoke pricing available for larger operations

Timing matters less with liquid seaweed
than with most lawn treatments - there's no scorch risk, no cut-off date and no blackout periods. Apply fortnightly from March through to October as the backbone of your organic lawn care routine, dropping to a monthly maintenance dose through winter. 

A great-looking lawn isn't down
to one product - it's a combination of consistent mowing, smart feeding and healthy soil. The lawn care tips that make the biggest difference work with the grass rather than against it, and that's exactly where liquid seaweed earns its place in a programme.