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By Arelee

West Midlands, United Kingdom Gb

can any one tell me what this weed is, found on compost surface of potted plant in greenhouse




That me dear is the dreaded Liverwort. It just lurves the conditions of seed trays and house plants. Not easy to kill off either. If you can find an algicide which does not harm plants then use it. Otherwise you need to scrape it all off your house plant soil and replenish with fresh. Sadly on seed trays it is a bit harder as anything you do will damage the seeds underneath.
One bit of advice I was given was only to water inside plants and seed trays with tap water, rather than rain water, not tried it to see if it works though.

27 Mar, 2010


That was quick Owdboggy and thankyou for help, advice taken on board.

27 Mar, 2010


if i find it on my pots i take it off and bin it, then renew acouple of top inches of compost in the pot

27 Mar, 2010


And not in compost bin but wheelie bin

27 Mar, 2010


The spores are as ubiquitous as moss or fern ones!

27 Mar, 2010

How do I say thanks?

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