About the Landscape Juice Network

Founded in 2008. The Landscape Juice Network (LJN) is the largest and fastest growing professional landscaping and horticultural association in the United Kingdom.

LJN's professional business forum is unrivalled and open to anyone within within the UK landscape industry

LJN's Business Objectives Group (BOG) is for any Pro serious about building their business.

For the researching visitor there's a wealth of landscaping ideas, garden design ideas, lawn advice tips and advice about garden maintenance.

Seaweed meal in borders

 Evening all. I've only been using for a short while now but have been impressed with the results of liquid seaweed on my lawns. I am looking into using seaweed meal in borders. 

We manage some quite large herbaceous borders and currently use a mix of manure, poultry manure and fish blood and bone as required. 

Does anybody use seaweed meal? When do you apply, have you seen good results etc?

In principle this seems like a very good product to me

Does anybody use this?

Thank you in advance. 


You need to be a member of Landscape Juice Network to add comments!

Join Landscape Juice Network

Email me when people reply –


  • PRO

    Hi Glen,

    Ive used a similar type of product to good effect -- sustaine have a variety of granular products that are organic based and cover a wide range of feed/ soil improvement areas.

    They have recently rebranded and increased their range -- so theres a lot of choice.

    Most of these can be applied throughout the year - based on poultry manure and added micro nutrients and bio ferts.

    I was hoping to try a product from Pro Green this year who may be able to add some input :

    I believe this is essentially top grade seaweed , minimally processed -- and would be an autumn / winter application - annually

    Maths wise i would think the sustaine would be close to half the price of the product you have listed but all of that depends on quanities bought and the dreaded delivery charges which might dramatically alter things !!

    Sustane 5-2-4
    • PRO

      As a side note -- i use lots of Fish Blood and Bone - however current opion appears to be that Bonemeal is not a great product to use lots of --  i think phosphorous is considered to be in presence in most soils in large enough quantities and adding more can create issues due to its residual qualities. 

      Ill still be using it - but worth noting from an organic feed point of view its not quite the product we thought it was. 

      Shame there doesnt seem to be cost effective accurate soil testing kits -- as really thats what we should be doing on an annual basis 

      Sustane 5-2-4
  • Thanks Dan. Chase organics do a very similar product to progreen which is what I was looking at. Price wise looks good. I'll have a look at your other suggestions.

    Re bonemeal we use some over the winter and when planting to help the roots but not in huge quantities. And then fish blood and bone in the spring for the flowering growth. 

    Chase Seaweed Meal 25kg
    A slow release fertiliser and soil conditioner, rich in trace elements and amino acids. Regular dressings stimulate microbial activity, improving soi…
  • PRO Supplier

    Hi Glen (& Dan)

    The seaweed meal is just natural, cold-processed seaweed. It adds vital trace elements to the soil plus proteins & alginic acids which promote hormone growth in plants and stimulates microbial action that converts available nutrients in the soil plus enriches soil quality. So it enables max. soil nutrition (added or natural) to be available to the plant. 

    Can be added as a top dressing or in a planting hole.....

    re: Bonemeal - good point re: phosphorous. New plants plus established plants all need P in spring to promote root elongation but excess P  does not wash away easily and is not very mobile, so quickly builds up. Can cause issues in sports turf and some plants so I would suggest there are better alternatives.

    • Thank you Pro Green 

  • PRO

    We use a fair bit of seaweed on our lawns now, I have a blog post about the benefits of using it, this can be found here

    Using Organic Seaweed Feed to give your lawn the WOW factor
    How many marks out of 10 would you give your lawn? If it’s 9 or more, well done! If not, then your lawn could benefit from an extra burst of nutritio…
    • Thanks Robbie. I came across your blog when I was looking into seaweed for lawn use earlier in the year  Very informative. 

      Using Organic Seaweed Feed to give your lawn the WOW factor
      How many marks out of 10 would you give your lawn? If it’s 9 or more, well done! If not, then your lawn could benefit from an extra burst of nutritio…
  • PRO

    Seaweed has been used here in Guernsey got years, mabe not so much now. Mainly on fields, collected from the bracket and spread then left for a while. The salt gets washed off and it starts to break down, then plowed in. There is also a chap drying it in a greenhouse then putting it through a shredder, bags it up an sells it.

This reply was deleted.

Industry Jobs

Landscape Gardener (commercial maintenance)

We have an open position for an experienced commercial maintenance landscape gardener, ideally with good handyman skills, to join our company due to contiuned expansion. Based in west Surrey, we work across the South/South East predominately for commercial clients. The candidate will have/be: Experience in commercial grounds / estates maintenance with practical handyman skills Presentable

Experienced landscaper

Lawnswood Landscapes are currently looking for an experienced hard landscaper to work on a variety of projects Based in Southwick over the past 9 years we have established an excellent reputation for our work and now looking to expand due to our increased work load. The ideal candidate will need to have at least 4

Casual help with soft landscaping

Seeking  some temporary help at a 4.5 acre garden in Oxforshire. A friendly team, we need help with preparing the garden for an upcoming event. All aspects of soft landscaping and garden care, some hard landscaping useful too.

gardener / domestic garden maintenance

Due to continued expansion and demand for our services we are looking for a new team member to join our small successful garden maintenance business. The applicants should be enthusiastic, fit, hard-working and able to hit the ground running with a willingness to learn. a full clean uk driving license is essential (minor points accepted)

Business Objectives Group (BOG)


non slip surface

I have a client with sudden mobility problems who struggles to walk .  Problem for her is when she steps out of her car she steps straight onto an impacted soil surface , it was never a problem when she was in better physical health but now its not…

Read more…
8 Replies · Reply by Adam Woods Jul 6

Hot Discussions

Latest blog post

Trade green waste centres

If you've received help from the Landscape Juice Network and you'd like to say thank you, why not make a small donation?

The site is maintained as an indpendent industry resource and it's become an essential tool for those working in the landscape industry.

Thank you

Phil Voice

Founder Landscape Juice

Make a donation

LJN Sponsor



PRO Supplier

Duncan Toon, Grounds Manager for Warwick Independent Schools Foundation, says that when he heard rumours about the new Dennis PRO 34R rotary mower, he added it to his wish-list straight away.

Warwick School, Warwick Junior School,…

Read more…
PRO Supplier

Okehampton Golf Club in Devon has signed a deal which sees Sherriff Amenity as its preferred supplier of products for a period of three years.

Okehampton Golf Club features an 18 hole parkland course, sheltered by the highest tors of…

Read more…
PRO Supplier

Entries to the SALTEX 2019 Innovation Award are now open for all SALTEX exhibitors to take part – allowing show visitors the chance to witness a stellar line-up of brand new products and services that are pushing the boundaries in groundscare…

Read more…