The meadows are on peat overlying spring-fed chalk, with a variety of soil conditions. Some areas are dry calcareous pasture, and others are wet neutral and marshy acidic grassland. Herbs include wild angelica, marsh valerian and fen bedstraw, and the nationally rare umbelliferCambridge milk-parsley is also present.[3]
^"Map of Snailwell Meadows". Sites of Special Scientific Interest. Natural England. Retrieved 6 November 2016.
^"Snailwell Meadows citation"(PDF). Sites of Special Scientific Interest. Natural England. Archived from the original(PDF) on 24 October 2012. Retrieved 6 November 2016.