To buy, sell and swap plants and use our full service, please log in or sign up - it's completely free.

How to deal with liverworts?

I have a few "sinks" in which I grow alpines, these seem to have been overtaken by liverworts in the last months. I have removed the slate chippings which were there as they too were covered in liverwort growths. I have added a lot more sand and grit to all the sinks and left them open to weather. I read someone had some success ridding these growths with iron sulphate. Any advice or suggestions would be welcome.

Comments (2)

  1. Grower

    Rachel the Gardener

    Hi Winifred,

    You are not alone, I had this problem [last year](posts_and_events/311-marchantia-are-they-taking-over-the-world) and I didn't find a solution, other than to keep disturbing the surface to weed them out as soon as they appeared, and to try to adjust conditions to make them less favourable for the marchantia.

  2. Grower

    Rob Johnson, Green & Furry pet and garden care

    Liverworts are indeed a problem in these dark, dank summers. I have had them in my lithops this year, now they really are at the opposite ends of the spectrum, at the top shelf of a greenhouse. I've even removed a pain or 2 for ventilation. But in the end, removal of the top layer of compost and replacing it with horticultural drainage grit seems to be a good remedy. Without the grit the moss and liverworts are back like a shot, with it they have less chance of establishing.

Production v5.9.2 (d960957)