The Garden Community for Garden Lovers

By Fearns

Ross-shire, United Kingdom Gb

Having been successful in getting answers about my cat litter tray, here goes again! You will realise I am quite a new gardener! Anyway next question - I live beside a sea loch so there is an abundance of seaweed. Can I use seaweed in my raised beds which are empty just now as manure and will this need a long time before it will rot down as I want to plant in these beds again in the spring?



Hi Fearns....If you cover the seaweed with some soil it should rot down nicely. Give the seaweed a rinse in fresh water before you put it on, to wash off the salt. You don't want that in your bed.

10 Dec, 2009


Agree - wash it thoroughly first, then dig it in. It might not rot down much over winter, but you can still plant next spring.

10 Dec, 2009


Collected from the highest part of the shore and as dried material there is no need to wash it, any salt will have been washed away by the rain. We even used unwashed fresh green and brown stuff from the Bristol Channel in my parent's garden without any problems caused by salt.

10 Dec, 2009


I would suggest chopping it up so it will rot down faster and turn everything over every 2 weeks. I just put 30 large garbage bags of used coffee grounds into a section I am trying to improve, and will spend the rest of the winter keeping in worked in. This has worked very well in the past.

10 Dec, 2009


Wylieinthea - what sort of soil do you have originally? I have access to coffee grounds, which I put round the hostas etc to protect them from the slugs.

Now I am thinking I could dig them into my heavy clay! what do you think?

11 Dec, 2009


They will work in the heavy clay Rachelsmum....I have heavy clay and I use coffee grounds all the time.

12 Dec, 2009


Coffee grounds are organic and I am helping to recuse them from landfills. My soil is part sand (left over from construction) and a lot of volcanic grit. The fact that slugs and snails avoid coffee is a bonus since I don't like using anything dangerous where my cats frequent.

12 Dec, 2009


Thanks both - I am on the case! :0))

12 Dec, 2009

How do I say thanks?

Answer question


Not found an answer?